Holley 870 Street Avenger Tuning



Tuning y Performance (4) Electrodomésticos (3) Ropa, Bolsas y Calzado (3) Holley 0-80870 Street Avenger 870 Cfm Square Bore 4-barrel A $ 19,654. I have a street avenger 670 cfm on my 327 with cam headers and intake. transmissions) UT F THE x Street AvengerTM Fuel Metering System. 00 Mercruiser 188 Hp Ford 302 Cu. i am not trying to put down edelbrock at all here. idle air bleeds 4604X4 on November 1st 2012, 12:39 pm I just got my new QFT HR780-VS installed (replacing a Holley Street Avenger 870) on 466 with mild cam. They have great features including a quick change vacuum secondary for easy fine tuning, optimized street calibrations, four vacuum ports for all vacuum accessories, a factory preset electric choke for easy startups, built in fuel filter, and an included fuel line kit so you don't have to make multiple. I have just put a new 650 DP on a very warm 318. Damn thing pulls down to 1100 smoothly. Close menu versions back in the days and they offer the most possibilities of tuning. Carb tuning question - mixture screw vs. Part# 80770-1 ( or 0-80770 on the Holley website) Came off of my old 454, when I rebuilt it to a 496 the dyno guy couldn't tune it right with this carb, would say it's good for stock to mild setup. 4L Sebring Avenger Caliber Journey Compass Patriot (4-Cylinder; Replaces 4884549AD) Offers; Category: Intake Valves. I have a 87 460. Street Avenger carbs have many features built in, that would be extra on a regular Holley carb. So far it looks like a Holley Street Avenger 770 or 870 cfm with elect choke and vac. Street Avenger carburetors are known to bolt on right out of the box and have great features such as a. Includes 50cc accelerator pump. We take an out of the box 570cfm Holley Street Avenger from Summit Racing and So a basic tune on the carburetor and talk about some of the tings to look out for when driving. As with most domestically produced carburetors, a 4150 Holley has a choke, float, idle, off-idle, accelerator pump, air bleed, main metering and power-enrichment metering circuits. Holley 0-80870 Street Avenger 870 CFM Four Barrel Vacuum Secondary Electric Choke Carburetor in Carburetors. Shop with confidence. They have great features including a quick change vacuum secondary for easy fine tuning, optimized street calibrations. com Hot Rod Parts" on Pinterest. We gave up and returned to the shop to. Hello, i got a rich prolem with this carb 870 street avenger, i dont know anything about carbs but im learning, if the transfer slots are exposed to mutch will this be the couse of runing rich, here are some pics that i took fron the bottom of the carb. Other particulars about the motor build are unknown and running stock exhaust. com, Orange, CA. Free shipping when your order includes this part. How to tell what size carb you need: You take the engine cubic inch and multiply by the maximum RPM and divide by 3456. Holley Performance Products is proud to announce the introduction of their all new Ultra Street Avenger and Ultra Double Pumper Carburetors designed for improved performance, weight savings and show quality looks. Holley carburettor. Check out these 5 New Killer Carbs Under $400 including Holley Aluminum Street Avenger, Quick Fuel Slayer, and Street Demon 625 - Popular Hot Rodding Magazine using well-known tuning. I have at my disposal a Holley 750 vac secondary, a Holley 850 double pumper, a Holley 870 vac sec Street Avenger, and a Demon 850 double pumper. This lobe center will also work for street blown applications and will give better low end response. Holley carburettor. 025 squirter and 30cc front pump , plain secondary spring , all new holley parts 607 two three one 947 seven >>Notify me. HO motor but never got it to work good. Ultra Street Avenger Carburetor Holley Performance 0-86870BL 4 bbl - 870 cfm - Model 4150 - Vacuum Secondary - Electric Choke - Dual Fuel Inlet - Gas - Alum - Shiny Blue Metering Block/Base Plate w/Gold Hardware from Pace Performance a leader in Holley Performance 0-86870BL Carburetor for your car. I have a 87 460. The Edelbrock works ok, but seems to run lean in the idle and transition circuits. Even though the Ultra line was a significant revelation to Holley's line of carburetors, there are plans to continue pushing still further. They have great features including a quick change vacuum secondary for easy fine tuning, optimized. These come in both electric and manual choke with four different flow ratings between 570 and 870 CFM. com FREE DELIVERY possible on eligible purchases. Holley's Street Avenger line of carburetors has a reputation for bolt-on-and-go performance. Seemed a little quicker with the middle standard spring. 025" for this model. Air & Fuel Delivery. I have heard lot's of bad stuff about guys not liking the 770. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. but this one says […]. With the response and tuning ability of the. C3 Parts for Sale/Wanted. Was planning on jetting it significantly richer (and dialing the idle mixture a bit leaner), as the dyno said it was running about 14. Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine tuning; optimized street calibrations; four vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy start ups; built-in fuel filters; and an included fuel line kit so. Holley 770 Street Avenger Problems - ikkab. Edelbrock intake / cut divider - Street Avenger 870 cfm vs. Now, Holley EFI products power these cars and are dominating the performance world. AVAILABLE NOW! Holley's Street Avenger line of carburetors has a reputation for bolt-on-and-go performance. seat of pants" carburetor tuning on our new Holley. Tunable to provide the ultimate in performance. Warranty performance will be initiated by returning the alleged defective product to HOLLEY PERFORMANCE PRODUCTS with the original, dated purchase receipt. Street Avenger carburetors are known to bolt on right out of the box and have great features such as a. Lots of folks lately with Holley issues. Throttle Bore - Shiny Finish Click to Enlarge (Read reviews). 99 Holley Carburetor 0-83870 870 Cfm 4 Barrel Electric Choke Polished. Street Avenger carburetors include quick change adjustable vacuum secondary (tunable from mild to wild), Gen IV No Trouble power valve, clear sight plugs for easy float adjustment, built-in fuel inlet filters, electric choke and four vacuum. Tuning y Performance (8) Deportes y Fitness (4) Llantas (4) Holley 080870 Street Avenger 870 Cfm Carburador Eléctrico $ 2. 00 Mercruiser 188 Hp Ford 302 Cu. 7:1 CR, single plane intake, and a ~240 @ 0. In addition to products from its other brands, so far in the new millennium Holley has introduced the popular Street Avenger, Truck Avenger, Street HP and Ultra HP carburetors as well as billet. The HydraMat is a patent-pending fuel reservoir system designed to reduce fuel starvation issues present in hard cornering, acceleration, stopping, inclines, and low fuel conditions. We are closed on the weekends and major holidays. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. They're calibrated to deliver the performance that you need, without the tuning headaches involved with other carbs. The sections include: Avenger systems, Carburetion, Carburetor Numerical, Fuel Injection, Throttle Bodies, Fuel Pumps. It runs super rough and can't get it to idle. Most are not adjustable, but Holley put it there to keep the fuel flowing through the rear bowls so it does not get stale just sitting there. Holley's Street Avenger line of carburetors has a reputation for bolt-on-and-go performance. My 870 vac has never run even close to good. How to tell what size carb you need: You take the engine cubic inch and multiply by the maximum RPM and divide by 3456. Even when letting the clutch out from a dead stop, the car/motor is just smoother. Cheers for the reply EVL ,thing is the trans was perfect before changing the carby and manifold, so unless they fuct it on the dyno tune i dont know ,the amount of knowledge people have on here i thought someone would know something. the other thing is that the holley truck avenger is designed with bouncing around, and off angles kept in mind. com 10 carburetors - street performance how to choose a carb street carburetors supercharger carburetors race carburetors marine carburetors carb service parts & accessories fuel injection throttle bodies fuel pumps intake manifolds systemax engine dress-up merchandising technical information index cylinder heads centerhung float. seat of pants" carburetor tuning on our new Holley. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. Air & Fuel Delivery. But every one has different opinions. you have a bit more cam then i use in most of the street /strip builds but more stall helps this all work. Its a 460 with TFS 290 heads, Weiand Stealth manifold, Holley Street Avenger 870 carb, MSD 6AL and MSD Street Billit distributor (vacuum advance not connected). modified Proform street / strip distributor (recurved) - High torque mini starter 10 mm DUI race wires - New GM alternator - Holley fuel pump OK, so here is where the fun starts. Throttle Bore - Shiny Finish from Pace Performance a leader in Holley Performance 0-80870 Carburetor for your car. This lobe center will also work for street blown applications and will give better low end response. Holley Prem Street Carbs (Avengers), 4150 870Cfm Street Avenger, Part #0-80870. Please advise. Description Holley 0-80870 This 4-barrel carburetor is calibrated to give performance without the tuning headaches involved with other carburetors. And after using the Holley Carb Selector website as suggested by Roegs - it recommended a 570cfm model as well !. Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine tuning; optimized street calibrations; four vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy start ups; built-in fuel filters; and an included fuel line kit so there are no unnecessary trips back to the parts. Holley 0-80870 870 CFM Street Avenger Carburetor Quick Change vacuum housing cap allows you to tune for performance or fuel economy (springs included). And thanks to the unique quick-change vacuum housing cap, you can tune your Holley Street Avenger Carburetor for performance or fuel economy. I tried to adjust the idle/mixture screws but that didn't help. Carburetors - Carb discussion and questions. 870 CFM Street Avenger Carburetor - Electric Choke Vacuum Secondaries. Help is just a click away!. HO0-81870 HOLLEY 870 CFM Street Avenger Carburetor Manual Choke Vac Sec - $690. Other particulars about the motor build are unknown and running stock exhaust. HOLLEY 80870 870 CFM Street Avenger, Shiny - 1. Over that winter, I researched running a double pumper and decided to buy a 950 street HP. Street Avenger 4BBL Carburetor by Holley®. 478/505,C6,3. Buy Holley 0-80870 Street Avenger 870 CFM Square Bore 4-Barrel Vacuum Secondary Electric Choke New Carburetor: Carburetors - Amazon. Tuning a 2300 Holley Carburetor is a straightforward process thanks to Holley's simple design and exterior tuning capability, meaning the carburetor may be adjusted on the fly while mounted to the intake manifold. A Holley carburetor is made with four basic parts, the throttle plate, main body, metering block and float bowl assemblies. I have at my disposal a Holley 750 vac secondary, a Holley 850 double pumper, a Holley 870 vac sec Street Avenger, and a Demon 850 double pumper. Was planning on jetting it significantly richer (and dialing the idle mixture a bit leaner), as the dyno said it was running about 14. It includes a tunable metering system, fuel filters in the primary and secondary fuel bowls, center-hung floats, and external float adjustments with sight plugs. Holley's Street Avenger line of carburetors has a reputation for bolt-on-and-go performance. This one…is not. Holley carburettor. Holley sent us three others: an 870-cfm Street Avenger and a pair of HP-series carbs in the 750-cfm and 950-cfm versions, but the baseline carb was the best. I tried to adjust the idle/mixture screws but that didn't help. Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine tuning; optimized street calibrations; four vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy start ups; built-in fuel filters; and an included fuel line kit so there are no unnecessary trips back to the parts. 025" for this model. AVAILABLE NOW! Holley's Street Avenger line of carburetors has a reputation for bolt-on-and-go performance. 12x $ 1,941. Holley 500cfm 2bbl. The carb is originally from a custom boat with a chevy 350 and i had it running on the stock 5. seat of pants” carburetor tuning on our new Holley. With some tuning, as far as secondary opening rate, squirters, jetting and power valves, they are very hard to beat for someone who drives a lot on the street, and occasionaly goes to the track. We take an out of the box 570cfm Holley Street Avenger from Summit Racing and So a basic tune on the carburetor and talk about some of the tings to look out for when driving. Buy Holley 0-80870 Street Avenger 870 CFM Square Bore 4-Barrel Vacuum Secondary Electric Choke New Carburetor: Carburetors - Amazon. If you have an automatic transmission you will need a vacuum sec. Holley Street Avenger carburetors incorporate Holley's "No Trouble" Tuning features such as adjustable vacuum secondaries, adjustable electric choke, and adjustable floats with see-through sights. bear runs good times with a q jet. Holley Four Barrel Carburetor List Numbers, Stock Jet Sizes, CFM, and Stock Power Valve Ratings | Ho… and this one: Holley carb specifications, list #'s, jetting and tuning tips. Does anyone have any experience with any of the BG Speed Demon or Street Avenger products ?? I'm considering using one of these on my 455 for my 67 'Bird. The carb is originally from a custom boat with a chevy 350 and i had it running on the stock 5. Intake Manifolds – APDTY 022013 Intake Manifold Tuning Short Air Flow Actuator Runner Control Valve IMRC Fits 1. Machining of block surfaces, align hone crank mains, hone cylinder bores, resize rods, balance rotating assembly, polish crank journals, port cylinder heads, valve angle grind, deburr block casting, install and measure bearing tolerances, install oil restrictors and oil galley plugs, modify timing set, file piston rings and degree camshaft. you want to get them adjsuted to put out maximum vacuum at a given idle rpm or to maintain the highest rpm once warmed up. I am concerned that the 750 will be too small for the engine, and the 850 will be too large. They have great features including a quick change vacuum secondary for easy fine tuning, optimized street calibrations, four vacuum ports for all vacuum accessories, a factory preset electric choke for easy startups, built in fuel filter, and an included fuel line kit so you don't have to make multiple. the screws on the side of the metering blocks are the idle adjustment screws which only effect the idle mixture. (if you go that route. Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine tuning; optimized street calibrations; four vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy start ups; built-in fuel filters; and an included fuel line kit so. 00 Mercruiser 188 Hp Ford 302 Cu. 76 system fule 2 fule400 bg. 025" for this model. If there is no stumble in high gear, Holley tuning experts point out there won't be a stumble in the lower gears either. Holley avenger 4 barrel efi system Welcome to Rods 'n' Sods, the most active and friendly UK Rod and Custom website. We have over 55 years of experience delivering the best high performance auto parts from the best. Being aluminum also means they will hold their shine longer! Street Avengers are ready to run right out of the box, and now they are better than ever!. The carb is originally from a custom boat with a chevy 350 and i had it running on the stock 5. Mercruiser 188 - $1,400. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. How to tell what size carb you need: You take the engine cubic inch and multiply by the maximum RPM and divide by 3456. Thanks very much for all the advice guys, it's looking like there's a whole lotta love here for the 570 Street Avenger. I did find a wire that was burnt through the boot, not fully but i suspected it might be part of the problem. These carbs share all of the same features that the Street Avenger series is known for, but now with a 36% savings in weight. Street Avenger Carburetor Holley Performance 0-80870 4 bbl - 870 cfm - Model 4150 - Vacuum Secondary - Electric Choke - Gasoline - Dual Fuel Inlet - 1. When they work, they are OK (not great, just OK), but when they don't even new out of the box, they can be completely untunable. Turn the screws carefully with a screwdriver in a counter-clockwise direction, until the screws bottom out and you feel resistance. but overall a good carb. I have at my disposal a Holley 750 vac secondary, a Holley 850 double pumper, a Holley 870 vac sec Street Avenger, and a Demon 850 double pumper. Find Holley Carburetors with 870 CFM and get Free Shipping on Orders Over $99 at Summit Racing! Street Avenger, 870 cfm, Square Bore, 4-Barrel, Electric Choke. This page is designed to give enough info for an individual to properly adjust and tune a Holley accelerator pump. The secondary chamber is fitted with a quick change lid to enable you to change the spring in a few seconds, the needle & seat is adjustable & clear view sight plugs are fitted to make float level adjustment easier. They have great features including a quick change vacuum secondary for easy fine tuning, optimized street calibrations, four vacuum ports for all vacuum accessories, built in fuel filter, and an included fuel line kit so you don’t have to make multiple trips back to the parts store to get your hot. Holley carburettor. avenger avKNwJ2938 autechre austin316 attila athena asuka asturias astroboy assault ass1977 asimov ashton ashleigh asdfzxcv asdfqwer asdfg1 asdf;lkj argentina arclight architect aquarius aprilia appletree apple1 appels antoine animation anhyeuem angie angelo anastasia anaconda amorphis amerika alucard alohomora aloha allstar allie allanon. These carbs share all of the same features that the Street Avenger series is known for, but now with a 36% savings in weight. Holley tuning/ lean spot off idle slow take off. Rebuild Kit Carb Holley 570 and 870 Street Avenger Models Carburetor Rebuild/Renew Kit, Holley 570 and 870 Street Avenger Models, Kit Carb List Number R80870 R80570. secondaries. P/N 0-80570, 0-80670, 0-80770, 0-80870, 0-81570, 0-81670, 0-81770, & 0-81870. We take an out of the box 570cfm Holley Street Avenger from Summit Racing and So a basic tune on the carburetor and talk about some of the tings to look out for when driving. Avenger 870 tuning I'm working through a tuning problem that seems similar to some others I've read about with my Holley Avenger 870 (vacuum secondary). So far it looks like a Holley Street Avenger 770 or 870 cfm with elect choke and vac. 00 Mercruiser 188 Hp Ford 302 Cu. This page is designed to give enough info for an individual to properly adjust and tune a Holley accelerator pump. 4L Sebring Avenger Caliber Journey Compass Patriot (4-Cylinder; Replaces 4884549AD) Offers; Category: Intake Valves. "Look for more to come soon," McFarland told us. Holley sells individual cams or you can buy their kit which includes an assortment of cams to choose from. The carb is originally from a custom boat with a chevy 350 and i had it running on the stock 5. Holley 670 Street Avenger w/ extras I just pulled this carburetor off of my 357w and everything is in working order and the carb is in very good, used condition overall. Rick Ehrenberg's Project Bold Beeper Holley high-tech 870-CFM vacuum-secondary Street Avenger carburetor. secondary, 67 pri. Part# 80770-1 ( or 0-80770 on the Holley website) Came off of my old 454, when I rebuilt it to a 496 the dyno guy couldn't tune it right with this carb, would say it's good for stock to mild setup. I spoke to the tech guys there and they suggested either a 650DP or the 670 Street Avenger. just recently i've put a holley street avenger 870 cfm and. Holley Prem Street Carbs (Avengers), 4150 870Cfm H/C Street Avenger, Part #0-81870. holley fast kits include only genuine holley parts and are also competitively priced. eBay logo: Shop by category. It seems like it takes a few seconds before the car feels like it "gets up on plane" (you know, like in a boat). the screws on the side of the metering blocks are the idle adjustment screws which only effect the idle mixture. Holley 0-81770 Street Avenger 770 CFM Four Barrel Carburetor. but overall a good carb. Seemed a little quicker with the middle standard spring. The car's street manners were excellent and I had no troubles with hesitation, surging, or any other issues. Help is just a click away!. HOLLEY 80870 870 CFM Street Avenger, Shiny - 1. It won't run smooth under 3,000rpm. purchased some years ago, it has been well read and is in reasonable condition. Holley 870 CFM 4150 Ultra Street Avenger Carburetor W/Red Billet Electric Choke Vacuum Secondaries W/RED BILLET 0-86870RD ***. Portions have been sourced from various Holley documents. its designed to take off road bumps and tilts better than its. The Demon with a two inch air cleaner just fits the engine compartment when the hood is closed ( 1/2 inch free space ). They are available with a silver finish in different sizes. See more like this Haynes Techbook Holley Carburetor Tuning Repair See more like this Holley Carburetor Manual by this Holley Carburetor, Street Avenger, 870. I've been looking at the. Baseline runs would be made with the car in "as-is" condition, followed up with runs using three different carburetors: the 1,000 cfm Holley HP the 455 came with. shouldnt take more than 2 full turns. Holley carb 770 cfm street avenger rebuilt - $275 (hallstead) Holley carb 770 cfm street avenger rebuilt and plated , not painted , 72 front jets and 75 rear jets ,6. ) My engine is not overly built either. fi on vuonna 2001 toimintansa aloittanut kaikille harrasteautoilusta kiinnostuneille avoin verkkoyhteisö, jonka tavoitteena on tarjota alan harrastajille tietoa autoista, tekniikasta, rakentelusta sekä harrastustoiminnasta eri puolilla maata. Hey folks, I've been having a light throttle stumble issue on my Holley Street Avenger 670. Not sure why as I really like the 870. Holley 670 Street Avenger w/ extras I just pulled this carburetor off of my 357w and everything is in working order and the carb is in very good, used condition overall. Save on Holley Street Avenger; Carburetor 0-80770 at Advance Auto Parts. it has basically a slightly improved stock bottom end. bear runs good times with a q jet. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. So I go to Holley's info for the 770, and they list the squirter as a 0. Holley 0-81770 Street Avenger 770 CFM Four Barrel Carburetor. Turn the screws carefully with a screwdriver in a counter-clockwise direction, until the screws bottom out and you feel resistance. Throttle Bore - Shiny Finish Click to Enlarge (Read reviews). 12x $ 1,941. No matter what you're driving, we have the right Holley Vacuum Secondary for your car or truck. I have a holly street avenger 870 vac 2nd and think I could do lot better on the street with a good set up q jet but need a good starting point with jet/rod combo I know mr. Demons flow WAY more than holley in their relative CFM figures. Find Holley Carburetors with 870 CFM and get Free Shipping on Orders Over $99 at Summit Racing! Street Avenger, 870 cfm, Square Bore, 4-Barrel, Electric Choke. Holley tuning/ lean spot off idle slow take off. A Holley also usually produces better power and throttle response. I've read in a couple of places where the vac sec dont seem to work right on the dyno vs actual use in the street - something about the way the dyno loads the motor messes with the vac sec carbs, wheras on the street their OK.   H19-080870   Description:Holley created these Street Avenger carburetors to give you trouble-free performance in an easy bolt-on-and-go package. If you're restoring an old engine with a classic Holley carburetor, then a Renew carburetor rebuild kit will get it working like new again. The Holley Street Avenger carburetor provides precise fuel metering for monster low-end torque, awesome acceleration and unmatched top-end horsepower. Please advise. Holley 0-80870 Street Avenger 870 CFM Square Bore 4-Barrel Vacuum Secondary Electric Choke New Carburetor. I have a 87 460. The carburetor comes set up in stock form with 65 primary and 68 secondary jets, 30cc accelerator pump diaphram, stock shooter size, stock vacuum secondary spring and a stock. When they work, they are OK (not great, just OK), but when they don't even new out of the box, they can be completely untunable. If there is no stumble in high gear, Holley tuning experts point out there won't be a stumble in the lower gears either. Looking for a 1970 Chevrolet Corvette Carburetor? Get yours at Wholesale Prices and Free Shipping over $50 only here at AutoPartsWarehouse!. Being aluminum also means they will hold their shine longer! Street Avengers are ready to run right out of the box, and now they are better than ever!. Rick Ehrenberg’s Project Bold Beeper Holley high-tech 870-CFM vacuum-secondary Street Avenger carburetor. Holley's catalog includes all the automotive and marine products offered. Find 0-80870 Carburetor from Holley you need and other parts at reidsrodparts. transmissions) UT F THE x Street AvengerTM Fuel Metering System. 2 to one 540 thou lift 248 at 50 solid cam, duel plane edelbrock with headers. Would like to hear from anyone who has used one of these carbs. The carb I am using is a NOS Holley 9834-1 Here is what happens: Car starts fine hot or cold. Hey folks, I've been having a light throttle stumble issue on my Holley Street Avenger 670. Holley Circle Track Carburetor, 500cfm, 2bbl. I have a Holley 870 Street Avenger and I really like it. Holley's Street Avenger line of carburetors has a reputation for bolt-on-and-go performance. Given the sheer numbers of carburetors made since the 1950s, you know they work. Most of the combo is in my sig. Holley 0-81870 870 CFM Street Avenger Carburetor made by Holley, for as low as $467. Amounts shown in italicized text are for items listed in currency other than Singapore dollars and are approximate conversions to Singapore dollars based upon Bloomberg's conversion rates. carb, a standard transmission can use a Double Pumper carb. I've read in a couple of places where the vac sec dont seem to work right on the dyno vs actual use in the street - something about the way the dyno loads the motor messes with the vac sec carbs, wheras on the street their OK. I have at my disposal a Holley 750 vac secondary, a Holley 850 double pumper, a Holley 870 vac sec Street Avenger, and a Demon 850 double pumper. Seemed a little quicker with the middle standard spring. "Look for more to come soon," McFarland told us. If you’re restoring an old engine with a classic Holley carburetor, then a Renew carburetor rebuild kit will get it working like new again. 5:1 above 2500 rpm and pretty rich from idle up to 2500. Holley’s Street Avenger series carburetors have be $443. Holley's Street Avenger line of carburetors has a reputation for bolt-on-and-go performance. We had been using a Holley 670 Street Avenger with good results prior to an intake change. Btw, to the original poster, there is no flow comparison between a 870 Avenger and 850 Demon. Anybody? I do know the 870 Street Avenger and its 850 cousin the 80531 dont work right at all - secondaries come in too. And after using the Holley Carb Selector website as suggested by Roegs - it recommended a 570cfm model as well !. Find great deals on eBay for holley street avenger carb. For auction a Holley carburettor in very good used condition, 300 ,thanks for looking and take care. Free shipping when your order includes this part. Part# 80770-1 ( or 0-80770 on the Holley website) Came off of my old 454, when I rebuilt it to a 496 the dyno guy couldn't tune it right with this carb, would say it's good for stock to mild setup. Locate the curb idle speed screw and the idle mixture screw; both can be found at the base of the two-barrel Holley carburetor. A Holley also usually produces better power and throttle response. How to tell what size carb you need: You take the engine cubic inch and multiply by the maximum RPM and divide by 3456. Those carbs work really well for street/strip engines. With some tuning, as far as secondary opening rate, squirters, jetting and power valves, they are very hard to beat for someone who drives a lot on the street, and occasionaly goes to the track. Buy Holley 0-80870 Street Avenger 870 CFM Square Bore 4-Barrel Vacuum Secondary Electric Choke New Carburetor: Carburetors - Amazon. Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine tuning; optimized street calibrations; four vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy start ups; built-in fuel filters; and an included fuel line kit so. The car's street manners were excellent and I had no troubles with hesitation, surging, or any other issues. Seemed a little quicker with the middle standard spring. Portions have been sourced from various Holley documents. Holley Carburetor 0-80870; Street Avenger 870 cfm 4 Barrel Electric Choke Vacuum Secondary Shiny Quick Change vacuum housing cap allows you to tune for. They're calibrated to deliver the performance that you need, without the tuning headaches involved with other carbs. P/N 0-80570, 0-80670, 0-80770, 0-80870, 0-81570, 0-81670, 0-81770, & 0-81870. Carb tuning question - mixture screw vs. Holley has been the undisputed leader in fuel systems for over 100 years. Holley 870 CFM Street Avenger. thanks most all the 496 street builds i use the smaller runners and O ports heads the 800 edy works but most builds are street strip so they may not play with them as much as you can with the 850 dp holley is fine as with your build. The secondary chamber is fitted with a quick change lid to enable you to change the spring in a few seconds, the needle & seat is adjustable & clear view sight plugs are fitted to make float level adjustment easier. They have great features including a quick change vacuum secondary for easy fine tuning, optimized street calibrations, four vacuum ports for all vacuum accessories, a factory preset electric choke for easy startups, built in fuel filter, and an included fuel line kit so you don't have to make multiple. but overall a good carb. Btw, to the original poster, there is no flow comparison between a 870 Avenger and 850 Demon. MFG Part Number Description Retail Jobber; HOLLEY: 0-4777C: 650 CFM CLASSIC: $503,95: $452,95: HOLLEY: 0-4779C: 750 CFM CLASSIC: $536,95: $482,95: HOLLEY: 0-4779SA. Holley 570 & 870 Street Avenger Models Carburettor Rebuild/Renew Kit Sniper EFI 4 Barrel Shiny Finish 1250 HP Forced Induction Fuel Injection Conversion Self. HOLLEY 80870 870 CFM Street Avenger, Shiny - 1. Full text of "The standard index of short stories, 1900-1914". Holley's Street Avenger line of carburettors has a reputation for bolt-on-and-go performance. Edelbrock on my 73 340 Cuda with a 80783 Holley (model 4150, 650 cfm vac. 199R10219-3. [Archive] Page 2 This forum covers all engine questions, including intake and exhaust discussions. For auction a Holley carburettor in very good used condition, 300 ,thanks for looking and take care. Re: Lean backfire Holley Street Avenger 870 vs 489 BBC I just went through some tuning on my holley, not so much backfires but just lean and off idle bogs etc. "Look for more to come soon," McFarland told us. I am happy with it overall, just took a short trip and got 18 mpg with it without tuning for mileage. The motor will make a much throatier noise than normal, and you'll notice the. Suggestions ?. It happens at pretty much any speed, but only at really light throttle. Even when letting the clutch out from a dead stop, the car/motor is just smoother. So many options. Looking for help for Holley 570 SA CARB EXPERTS I am looking for what i should do for a base tune on my holly 570 street avenger carburetor. Lobe Centers: Generally an American V8 for the street will like a cam with 110 – 112 lobe centers. Street Avenger carburetors include quick change adjustable vacuum secondary (tunable from mild to wild), Gen IV No Trouble power valve, clear sight plugs for easy float adjustment, built-in fuel inlet filters, electric choke and four vacuum. When they work, they are OK (not great, just OK), but when they don't even new out of the box, they can be completely untunable. for overall useage the 600 holley is a good simple carb, now depending on your application some of us will say 600,650,750,850 and so on. 478/505,C6,3. Holley, Street Avenger Carburetor, 870 cfm, Electric Choke Designed specifically for the street enthusiast. Holley - 0-80870; Holley Street Avenger Carburetor; Tune your Holley Street Avenger Carburetor for outstanding performance or fuel economy; Vacuum secondaries allow for application on a wide range of vehicles, both street and racers; Street Avenger Carbs offer electric or manual choke options in several CFM sizes. com, Orange, CA. I am concerned that the 750 will be too small for the engine, and the 850 will be too large. [Archive] Page 2 This forum covers all engine questions, including intake and exhaust discussions. Most of the combo is in my sig. I've read in a couple of places where the vac sec dont seem to work right on the dyno vs actual use in the street - something about the way the dyno loads the motor messes with the vac sec carbs, wheras on the street their OK. Pump shooters are another area of experimentation. Gonna try to do it tonight/tomorrow when I re-set the floats. We have over 55 years of experience delivering the best high performance auto parts from the best. Holley Prem Street Carbs (Avengers), 4150 870Cfm Street Avenger, Part #0-80870. Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine tuning; optimized street calibrations; four vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy start ups; built-in fuel filters; and an included fuel line kit so there are no unnecessary trips back to the parts. 514 hyd cam timed straight up,mild ported heads, and plan on using stock intake and exhaust manifolds. Order Holley Carburetors for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. There is an idle circuit in the rear barrels of your Holley, too. They have great features including a quick change vacuum secondary for easy fine tuning, optimized street calibrations, four vacuum ports for all vacuum accessories, built in fuel filter, and an included fuel line kit so you don't have to make multiple trips back to the parts store to get your hot. Re: Holley Carb Tuning with O2 indicator Your post is hard to follow, but I would close down the secondary idle speed some and run more on the primary slot, put a vaccum gauge in it while you doing this it sounds like your not using the power valve, but the way your driving it you might try a two stage power valve, or your spark curve is off ( what is it, and curved at) it may not like the. you want to get them adjsuted to put out maximum vacuum at a given idle rpm or to maintain the highest rpm once warmed up. I have heard lot's of bad stuff about guys not liking the 770. If this manual is not fully understood, installation should not be attempted. Some of the carb comparison articles I've been reading such as one in Chevy High Performance indicate that the fuel monitoring in the Holley's is so good that the 750 was their choice in the test on a Smeding Performance 383 stroker. Holley Performance 0-80870 Street Avenger Carburetor 4 bbl - 870 cfm - Model 4150 - Vacuum Secondary - Electric Choke - Gasoline - Dual Fuel Inlet - 1. Holley 0-81770 Street Avenger 770 CFM Four Barrel Carburetor. Lobe Centers: Generally an American V8 for the street will like a cam with 110 – 112 lobe centers. Holley’s Street Avenger line of carburettors has a reputation for bolt-on-and-go performance. For the heck of it, I tried my friends 870 Holley Street Avenger, and its about 80%+ better. Please advise. But every one has different opinions. The Holley engineering team conducted the testing and installation chores. If you are experiencing a bog or hesitation off idle, you can try a larger, higher # shooter size. *870 holley street avenger carb There may be more tuning ability and performance from a Holley, but the Edelbrocks I have used are "set and forget". Holley 570 and 870 Street Avenger Models, Kit Carb. Holley 0-81870 870 CFM Street Avenger Carburetor made by Holley, for as low as $467. If you don't want to use the Quick Change Cover, here is a method to install the solid cover to minimize the danger of catching the rubber in the screws. Demons flow WAY more than holley in their relative CFM figures. _popupControl(); I currently running a 750 double pumper on 30 over 390 with a fairly large cam. The new Ultra Street Avenger Carburetors have the same great features as their aluminum counterparts such as a tumble polished aluminum finish, quick change vacuum secondaries for easy tuning to optimize performance or fuel economy, four vacuum ports for all necessary vacuum accessories, factory preset "No trouble" electric choke for easy start. The first year I had the car on the road I ran an 870 Street Avenger with vac secondaries. Holley Street Avenger carburetors come with features to make tuning your car simple. They have great features including a quick change vacuum secondary for easy fine tuning, optimized street calibrations, four vacuum ports for all vacuum accessories, built in fuel filter, and an included fuel line kit so you don't have to make multiple trips back to the parts store to get your hot. They're calibrated to deliver the performance that you need, without the tuning headaches involved with other carbs. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. This 4-barrel carburetor is calibrated to give performance without the tuning headaches involved with other carburetors. com FREE DELIVERY possible on eligible purchases. I've read in a couple of places where the vac sec dont seem to work right on the dyno vs actual use in the street - something about the way the dyno loads the motor messes with the vac sec carbs, wheras on the street their OK. Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine tuning; optimized street calibrations; four vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy start ups; built-in fuel filters; and an included fuel line kit so there are no unnecessary trips back to the parts. I have a street avenger 670 cfm on my 327 with cam headers and intake. Holley sent us three others: an 870-cfm Street Avenger and a pair of HP-series carbs in the 750-cfm and 950-cfm versions, but the baseline carb was the best. 870 Street Avenger Specs - forums. Help is just a click away!. I have been building motors and tuning carbs for 40 years, and I have found that the 870 Street Avenger is the most inconsistent and worst performing Holley I have ever touched. Holley 500cfm 2bbl. Pump shooters are another area of experimentation. Portions have been sourced from various Holley documents. Holley 870 CFM Ultra Street Avenger Carburetor, Electric Choke Vacuum Secondary, Hard Core Grey Quick Change vacuum housing cap allows you to tune for performance. Holley carb 770 cfm street avenger rebuilt - $275 (hallstead) Holley carb 770 cfm street avenger rebuilt and plated , not painted , 72 front jets and 75 rear jets ,6. Shop by category. We aim to cater for a wider range of tastes here from Hot Rods & Street Rods all the way through to Bikes and Trucks. Fender Brace, weld in 70-74 E-Body The US Car Tool Inner fender braces are designed and engineered to add stiffness and strength to the. but overall a good carb. The Holley engineering team conducted the testing and installation chores. Street Avenger 4BBL Carburetor by Holley®. thanks most all the 496 street builds i use the smaller runners and O ports heads the 800 edy works but most builds are street strip so they may not play with them as much as you can with the 850 dp holley is fine as with your build. Could it be the electric choke or float levels?? It's running pretty rich too Any help would be appreciated. Not sure why as I really like the 870. 487 for the street? street avenger 870 Performer RPM intake w/750 vacumm secondary Holley carb and a simple 236/242 at. Running an 870 Street AvengerIts a nice carb and works fine but its Vac secondary and it took a bit of adjustment to get the secondaries to open all the way when they should I am going to tune on it some more and get it dialed in for my 408 tho. Holley, Street Avenger Carburetor, 870 cfm, Electric Choke Designed specifically for the street enthusiast. Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine tuning;optimized street calibrations;four vacuum ports for all necessary vacuum accessories;factory preset electric choke for easy start ups;built-in fuel filters;and an included fuel line kit so. Holley Prem Street Carbs (Avengers), 4150 870Cfm H/C Street Avenger, Part #0-81870. They have great features including a quick change vacuum secondary for easy fine tuning, optimized street calibrations, four vacuum ports for all vacuum accessories, built in fuel filter, and an included fuel line kit so you don’t have to make multiple trips back to the parts store to get your hot. purchased some years ago, it has been well read and is in reasonable condition. Part# 80770-1 ( or 0-80770 on the Holley website) Came off of my old 454, when I rebuilt it to a 496 the dyno guy couldn't tune it right with this carb, would say it's good for stock to mild setup. I have a street avenger 670 cfm on my 327 with cam headers and intake. This tends to maximize the load the engine sees. 4150 alum ultra hp 750 cfm (hard black) e85 : 4150 alum ultra hp 850 cfm (hard black) e85 : 4150 alum ultra hp 950 cfm (hard black) e85. Skip to main content. I've had pretty good luck with a 3310 Holley on my 71 Challenger R/T. 870 CFM Street Avenger Carburetor - Electric Choke Vacuum Secondaries. Holley Performance 0-83870 Street Avenger Carburetor 4 bbl - 870 cfm - Model 4150 - Vacuum Secondary - Electric Choke - Gasoline - Dual Fuel Inlet - Shiny Finish Carburetor from Team C Performance Center the best source for Holley Performance Street Avenger Carburetor 0-83870 for your auto or truck. Ultra Street Avenger Carburetor Holley Performance 0-86870BL 4 bbl - 870 cfm - Model 4150 - Vacuum Secondary - Electric Choke - Dual Fuel Inlet - Gas - Alum - Shiny Blue Metering Block/Base Plate w/Gold Hardware from Pace Performance a leader in Holley Performance 0-86870BL Carburetor for your car. 5 rear gears It runs at 12 deg advance at idle with vac removed approx 36 all in at 2500rpm I have 7/8 in vac at idle and are running a 3. It won't run smooth under 3,000rpm. just recently i've put a holley street avenger 870 cfm and. Warranty performance will be initiated by returning the alleged defective product to HOLLEY PERFORMANCE PRODUCTS with the original, dated purchase receipt. Part# 80770-1 ( or 0-80770 on the Holley website) Came off of my old 454, when I rebuilt it to a 496 the dyno guy couldn't tune it right with this carb, would say it's good for stock to mild setup. We have over 55 years of experience delivering the best high performance auto parts from the best. Holley Street Avenger Carburetors are made with vacuum secondaries that allow for use on a wide variety of vehicles and come in electric or manual choke options in several CFM sizes to suit your set-up. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. Find Holley Street Avenger Carburetors 0-80870 and get Free Shipping on Orders Over $99 at Summit Racing! Holley's Street Avenger 4-barrel carbs offer trouble-free operation in an easy-to-install package. Using the external float adjustment with sight plugs, you can easily alter the float level without spilling fuel. Holley 0-80870 Street Avenger 870 CFM Four Barrel Vacuum Secondary Electric Choke Carburetor in Carburetors. image All Image latest This Just In Flickr Commons Occupy Wall Street Flickr Cover Art USGS Maps. 4L Sebring Avenger Caliber Journey Compass Patriot (4-Cylinder; Replaces 4884549AD) Offers; Category: Intake Valves. Save on Holley Street Avenger; Carburetor 0-80770 at Advance Auto Parts. If you don't want to use the Quick Change Cover, here is a method to install the solid cover to minimize the danger of catching the rubber in the screws. Holley Carburetor - Street Avenger Carburetor - 4 bbl - 870 cfm - Model 4150 - Vacuum Secondary - Electric Choke - Gasoline - Dual Fuel Inlet - 1. Best to pick a carb for which you can get local support if it needs repair or tuning. Looking for help for Holley 570 SA CARB EXPERTS I am looking for what i should do for a base tune on my holly 570 street avenger carburetor. Upgrading your Third Gen's carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H. Holley 0-80870 870 CFM Street Avenger Carburetor Quick Change vacuum housing cap allows you to tune for performance or fuel economy (springs included). The carb is originally from a custom boat with a chevy 350 and i had it running on the stock 5. Buy a 1987 Chevrolet P30 Carburetor at discount prices. Carb tuning question - mixture screw vs. Help is just a click away!. and should help clean up the idle. Holley #0-81870 Carburetor, Street Avenger, 870 cfm, Square Bore, 4-Barrel, Vacuum, Dual Inlet, Manual Choke, Silver, Each. Using the external float adjustment with sight plugs, you can easily alter the float level without spilling fuel. Fender Brace, weld in 70-74 E-Body The US Car Tool Inner fender braces are designed and engineered to add stiffness and strength to the. AVAILABLE NOW! Holley's Street Avenger line of carburetors has a reputation for bolt-on-and-go performance. but overall a good carb. Portions have been sourced from various Holley documents. Carb tuning question - mixture screw vs. it has basically a slightly improved stock bottom end. Includes 50cc accelerator pump. Holley 0-80870 Street Avenger 870 CFM Square Bore 4-Barrel Vacuum Secondary Electric Choke New Carburetor. Holley also incorporated their Gen IV power valve with million mile blow out protection. 487 for the street? street avenger 870 Performer RPM intake w/750 vacumm secondary Holley carb and a simple 236/242 at. Unfortunately, my engine only requires light throttle to keep the car up to speed, so it can get annoying. Hello, i got a rich prolem with this carb 870 street avenger, i dont know anything about carbs but im learning, if the transfer slots are exposed to mutch will this be the couse of runing rich, here are some pics that i took fron the bottom of the carb. Holley sent us three others: an 870-cfm Street Avenger and a pair of HP-series carbs in the 750-cfm and 950-cfm versions, but the baseline carb was the best. My fuel pressure is 6-7psi. Holley products for GM's popular LS engine are dominating the LS scene as well. Even when letting the clutch out from a dead stop, the car/motor is just smoother. I am concerned that the 750 will be too small for the engine, and the 850 will be too large. Find Holley Street Avenger Carburetors 0-80870 and get Free Shipping on Orders Over $99 at Summit Racing! Holley's Street Avenger 4-barrel carbs offer trouble-free operation in an easy-to-install package. Being aluminum also means they will hold their shine longer! Street Avengers are ready to run right out of the box, and now they are better than ever!. I've read in a couple of places where the vac sec dont seem to work right on the dyno vs actual use in the street - something about the way the dyno loads the motor messes with the vac sec carbs, wheras on the street their OK. Shop by category. The secondary chamber is fitted with a quick change lid to enable you to change the spring in a few seconds, the needle & seat is adjustable & clear view sight plugs are fitted to make float level adjustment easier. Hey folks, I've been having a light throttle stumble issue on my Holley Street Avenger 670. My old engine was around 400hp, new one is 600hp+. The engine is basically built to LS-6 454 specs and features a Holley Street Avenger 870 carburetor, Hooker headers, a TCI torque converter, built TH400 trans, and a 3. Holley Carburetor 0-80870; Street Avenger 870 cfm 4 Barrel Electric Choke Vacuum Secondary Shiny Quick Change vacuum housing cap allows you to tune for. It happens at pretty much any speed, but only at really light throttle. Cam is hyd roller 209/216 deg @. We aim to cater for a wider range of tastes here from Hot Rods & Street Rods all the way through to Bikes and Trucks. avenger avKNwJ2938 autechre austin316 attila athena asuka asturias astroboy assault ass1977 asimov ashton ashleigh asdfzxcv asdfqwer asdfg1 asdf;lkj argentina arclight architect aquarius aprilia appletree apple1 appels antoine animation anhyeuem angie angelo anastasia anaconda amorphis amerika alucard alohomora aloha allstar allie allanon. it features a fully rollerized valve train, hot cam, aluminum dual plane intake, HEI ignition with 50,000 volt coil & ignition module good to 7,000 RPM, and a set of ported and polished cast iron. Street Avenger carburetors are known to bolt on right out of the box and have great features such as a. Lobe Centers: Generally an American V8 for the street will like a cam with 110 – 112 lobe centers. 01-04-2012 03:58 PM by 1Fordman. Locate the curb idle speed screw and the idle mixture screw; both can be found at the base of the two-barrel Holley carburetor. Clear glass fuel level window for easy float adjustments Weight-reducing aluminum body Optimized street calibration is ready to use out of the box Factory preset electric choke Quick-change vacuum housing cap allows tuning for performance or economy Includes fuel line kit Inspected and wet-flow tested by Holley technicians The Aluminum Street. Over that winter, I researched running a double pumper and decided to buy a 950 street HP. They have great features including a quick change vacuum secondary for easy fine tuning, optimized street calibrations, four vacuum ports for all vacuum accessories, built in fuel filter, and an included fuel line kit so you don't have to make multiple trips back to the parts store to get your hot. Haven't decided which yet, but it's definately going one way or another. So I go to Holley's info for the 770, and they list the squirter as a 0. I did find a wire that was burnt through the boot, not fully but i suspected it might be part of the problem. The secondary chamber is fitted with a quick change lid to enable you to change the spring in a few seconds, the needle & seat is adjustable & clear view sight plugs are fitted to make float level adjustment easier. Holley debuted the revolutionary HydraMat™ Fuel Reservoir on December 11th, 2014 at the PRI trade show in Indianapolis. When they work, they are OK (not great, just OK), but when they don't even new out of the box, they can be completely untunable. Thanks very much for all the advice guys, it's looking like there's a whole lotta love here for the 570 Street Avenger. 025" for this model. See more ideas about Holley performance, Motor car and Truck parts. If you know anything about the original 400 Pontiac engine, you know it was S-L-O-W. Carb Selection for a 512 Stroker. We take an out of the box 570cfm Holley Street Avenger from Summit Racing and So a basic tune on the carburetor and talk about some of the tings to look out for when driving. HO motor but never got it to work good. 00 Holley Performance 4150 Hp. The car's street manners were excellent and I had no troubles with hesitation, surging, or any other issues. Holley carburettor. Circle Track Circle Track Carburetor Specifically designed by Holley for Circle Track applications requiring a 500 cfm, 2bbl. Warranty performance will be initiated by returning the alleged defective product to HOLLEY PERFORMANCE PRODUCTS with the original, dated purchase receipt. Re: Holley Carb Tuning with O2 indicator Your post is hard to follow, but I would close down the secondary idle speed some and run more on the primary slot, put a vaccum gauge in it while you doing this it sounds like your not using the power valve, but the way your driving it you might try a two stage power valve, or your spark curve is off ( what is it, and curved at) it may not like the. Some of the carb comparison articles I've been reading such as one in Chevy High Performance indicate that the fuel monitoring in the Holley's is so good that the 750 was their choice in the test on a Smeding Performance 383 stroker. I have an 870 vacuum secondaries Street Avenger right now and it really doesn't run that good A few questions to start off When I just the idle mixture screws it doesn't do anything Also after I rev it it does not go back to idle quickly it takes a long time for it to eventually hit idle I have a few other questions but I want to solve these. Should you need information or parts assistance, please contact our Avenger. We had been using a Holley 670 Street Avenger with good results prior to an intake change. It runs super rough and can't get it to idle. it has basically a slightly improved stock bottom end. STREET AVENGER CARBURETOR. Find Holley Street Avenger Carburetors 0-80870 and get Free Shipping on Orders Over $99 at Summit Racing! Holley's Street Avenger 4-barrel carbs offer trouble-free operation in an easy-to-install package. When they work, they are OK (not great, just OK), but when they don't even new out of the box, they can be completely untunable. P/N 0-80570, 0-80670, 0-80770, 0-80870, 0-81570, 0-81670, 0-81770, & 0-81870. Turn the screws carefully with a screwdriver in a counter-clockwise direction, until the screws bottom out and you feel resistance. They are available with a silver finish in different sizes. The Avenger carburetor line consists of Holley models 4150 and 4160 Street Performance carburetors in various CFM sizes. I did the main b. There is an idle circuit in the rear barrels of your Holley, too. Could it be the electric choke or float levels?? It's running pretty rich too Any help would be appreciated. We aim to cater for a wider range of tastes here from Hot Rods & Street Rods all the way through to Bikes and Trucks. I have a Holley 870 Street Avenger and I really like it. Not sure why as I really like the 870. Gonna try to do it tonight/tomorrow when I re-set the floats. See more Ho0-86870hb Holley 870cfm Ultra Street Avenger Email to friends Share on Facebook - opens in a new window or tab Share on Twitter - opens in a new window or tab Share on Pinterest - opens in a new window or tab. Holley sells individual cams or you can buy their kit which includes an assortment of cams to choose from. I have a '72 455 HO that currently has a Holley carb on it that needs a rebuild so I purchased a Holley 750 double pumper to put on the motor instead of rebuilding but I've wondered recently if it would even be better if I took the stock quadrajet off of my 79 403, had it rebuilt and used it. 538 lift, 227/233 dur. you have a bit more cam then i use in most of the street /strip builds but more stall helps this all work. Holley 870 CFM 4150 Ultra Street Avenger Carburetor W/Red Billet Electric Choke Vacuum Secondaries W/RED BILLET 0-86870RD ***. But every one has different opinions. For auction a Holley carburettor in very good used condition, 300 ,thanks for looking and take care. 199R10219-3. The Holley engineering team conducted the testing and installation chores. Descubre la mejor forma de comprar online. They have great features including a quick change vacuum secondary for easy fine tuning, optimized street calibrations, four vacuum ports for all vacuum accessories, built in fuel filter, and an included fuel line kit so you don’t have to make multiple trips back to the parts store to get your hot. Buy Holley Performance 0-80870 Street Avenger (TM) Carburetor from Walmart Canada. It includes a tunable metering system, fuel filters in the primary and secondary fuel bowls, center-hung floats, and external float adjustments with sight plugs. The secondary chamber is fitted with a quick change lid to enable you to change the spring in a few seconds, the needle & seat is adjustable & clear view sight plugs are fitted to make float level adjustment easier. Holley Performance - $1,500. Holley 870 Street Avenger Tuning.