Holley street avenger 770 problems

Panasonic GH5 with Rokinon 35mm lens

holley street avenger 770 problems Adjustable vacuum secondary with a 4th generation power v May 30, 2013 · Holley four-barrel carburetors are probably the most common high performance fuel mixing devices on the planet. with a Holley 770CFM Street Avenger, 80 gmh Holley pump, Mallory Unilite, Pertronix Flame Thrower coil, Comp Cams roller rockers and UltraDyne cam running through a C6 to a 3. You may have to flip the carb over to see it. #7 · May 31, 2007. 383 x 5000 rpm divided by 3456 = 554 cfm theoretical. i have one i simply love, but i did go after the emissions. B VerticalScope Inc. Compared to the 670 Truck Avenger, the 770 definitely has the edge. The test was four Holley XP series carbs, 650, 750, 850 and 950 CFM. If you do, the problem is either the booster-MC gap, the pushrod Jul 27, 2015 · Replaceable idle air bleeds (yellow arrows) are used in the top-of-the-line street and race Holley carbs, making a change easy. May 21, 2021 · I have a new Holley Street avenger 770 that i've had great luck with. The Street Avenger is a pretty good carb on a stock or mildly modified engine. lb. Jan 28, 2008 · Jul 18, 2006. jets are #70 not #72, that come factory with the 770 street avenger, so i left the 70,s in and changed the pv to a 4. 5 ratio full-roller rockers measure for pushrods to maintain correct rocker geometry Edelbrock Rpm Air-Gap 1-5/8" headers Holley 770 Street Avenger Dec 22, 2020 · Started with a 670 Street Avenger vac secondaries. Looking to possibly swap out my 750 vac secondary 3310 Holley carb on my 440 The 440 has 9. Probably one of the best facilities around. Instant response, no bog and great performance. WARNING: If you are using this carburetor with a GM overdrive transmission TH700R4 or a TH200R4, you must use a transmission kickdown cable bracket (Holley® P/N 20-95) and stud and kickdown throttle bracket (Holley® P/N 20-121). You must do both screws equal number of turns. 3:1 comp with 915 closed chambered heads Engle Cams 224º @ . I'm having issues that I believe are mainly coming from the carb. Holley Street Avenger Running Too Rich. We added a 770 Holley Street Avenger carb and chose an MSD distributor to replace the HEI. Pay attention to their position and back them out two full turns. Go Kart 9/9/06 Jun 12, 2015 · I have been quite successful in tuning my 670 Holley Street Avenger and it works great. And let's say you have a good RV cam or maybe a mild street rod cam. Now this series of dyno pulls was on the Westech Performance dyno. If your divided number falls on an even number, you should select he Nov 21, 2006 · I have a truck avenger on my 4x4, which has a 350 with a roller cam designed for high torque. Location: Tallahassee, FL. On Holley carbs, there are two screws that control the idle mixture on the primary metering block. (Holley seems to think a 670 is appropriate though. 3x. Not quite sure where to turn next. This carb is street ready right out of the box and features a calibrated electric choke, air and fuel adjustments and built-in fuel filters. Hi guys, I am looking for some help with a couple of issues. Under WOT there is no problem in 1st, shift at 5,500 rpm, then need information or parts assistance, please contact our Avenger Technical Service Department at 1-866-GOHOLLEY (1-866-464-6553). Aug 02, 2017 · Holley carburetors find their way onto countless vehicles, from race cars to hot rods to delivery trucks, and for good reason: They’re the standard of performance, and without question some of the most popular and easily tunable carburetors available. 06-11-12 07:04 AM - Post# 2235751. ) Maybe that's the problem; but I'm not going to spend $400 on another Street Avenger just to test that out. How to tell what size carb you need: You take the engine cubic inch and multiply by the maximum RPM and divide by 3456. Jim Some sources seem to indicate a modified 383 should be using a 750 or 770 cfm carb rather than a 670. This carb. the soot on the pipes I changed the primary jet down to a #66 in the Street Avenger 670. So, let's look at your 383. HOLLEY CARB 770 Cfm 4 Barrel Vacuum Secondary Shiny Carburetor - Ho0-83770 - $870. I bought a Holley 770 Street Avenger and just fired it up and i'm way too rich. Dec 9, 2003. Its a holley 770 street avenger carburetor with am electric choke, when I bought it, it died at all the lights coming home. 10. It has only been on there for a bit over a year. It sits on a moderately built 383. Discussion Starter · #1 · Apr 17, 2009. I bought a new diaphragm but when I pulled the housing off before splitting it open, I checked it with my vacuum pump/gauge and it works. I did read that the Street avenger has adjustable metering block Mar 05, 2009 · holley street avenger issues The problem is running rich. 70 at 122mph in the 1/4 while babying the throttle to keep the May 17, 2002 · Engine Mods - High idle problem with a new Holley Street Avenger - HELP! - I have a new Holley Street Avenger on a new small block in my '75 that I just got from the shop yesterday. safetysoc · Registered. Here is what they found. Holley recommends 1 size for every 2,000ft change in elevation. Of course. Dribbling is an indication of a problem. Since Holleys are so easy to adjust, it’s also easy to adjust them totally wrong. Jul 16, 2017 · The Avenger series has a modular vacuum secondary assembly that allows the spring to be replaced without the need to remove the entire vacuum unit from the carb. Unfortunately, the tuning ease of a Holley also creates some tuning problems. The first test of a quick fix, after ensuring accelerator pump was functioning properly, was to increase the hot idle speed. South Island New Zealand. Can anyone help me?Also are the new ones worth the price or should i save $100. #2. I finally got a chance to change it this weekend. 5:1 compression. If the engine is more heavily modified then the DP would probably be a better way to go. The only other adjustment I made was jetting down for altitude. Aug 08, 2008 · Just so everyone with a Holley doesn't think the sky is falling, I have a 770 S/A dated 3645 which falls in the "problem area". ” If you find you need a number 37 or larger pump nozzle, then its time to step up to a 50 cc “REO” kit (Holley part number 20-11). Because I feel responsible for giving back to a community that I have learned so much from, I wanted to share my experiences with the Street Avenger series of carbs from Holley. For some reason the Street Avengers are rated 670 vs 650 or 770 vs 750. I can get 20" hg at idle, steady gauge with no fluctuation. It's designed to work like that. I honestly think you'll be under-carb'd with the avenger 770, especially in light of no admitted problems with the HP. Plus it has a million mile power valve, is 100% Apr 27, 2017 · I have a 18 year old Holley 770 Street Avenger vacuum secondary. Mar 07, 2010 · Thus, a Holley 670 Truck Avenger is overcarbed on my engine by a factor of 2. The ifr's as a rule are too large for a street driven engine M III recieved 8-06, 3 link,lca's PS+PB,carb,302,373 gears, T5 first start 8/27/06. Please have the part number and sales receipt ready when calling. Nov 07, 2007 · Anyway, I have a question about which carburetor I should buy. After a few hundred miles, my first Street Avenger started cutting out and making my engine run really rough. Jul 02, 2020 · C3 Tech/Performance - Something better than a Holley 770 Street Avenger? - The previous owner of my '80 with a ZZ4 w/Weiand 142 blower replaced the 770 Street Avenger that was on it with a 670 he said to cure bogging issues. Attempting to cure Holley problems by tuning the wrong system results in a really messed up carb, and a lot of frustration for tuners and car owners. Nov 19, 2003 · For any Holley Street Avenger Carburetor used in any type racing or off-road use will only be covered by a one (1) year limited warranty on parts and labor. Dec 14, 2017 · 1,784. Warranty performance will be initiated by returning the alleged defective product to HOLLEY PERFORMANCE PRODUCTS with the original, dated purchase receipt. Discussion Starter · #1 · Jun 12, 2011. 030 over. 5 compression, . Brad Mar 14, 2011 · Edelbrock Performer RPM, Holley 770 Street Avenger Dyno test: 451Hp 503 lbs Torque @5500 rpm. I even think the shooters from a 4150 will work, don’t quote me on that one though. Location. Some features include square-flange carb with tuneable vacuum secondaries, electric choke, built-in secondary fuel filters, external float adjustment with sight plug and four vacuum ports. Remember these numbers were from wide open throttle. I have a 67 GTO that has a 1970 455 with a Muncie 4 speed. There are clear sights for easy float adjustments, adjustable vacuum secondaries and four vacuum ports. i also think the quick fuel 780vs would be a Oct 04, 2010 · Holley gurus: ID a leaking port please! I picked up a used Holley Street Avenger 770 which has a primary Proform billet metering block. 477/. Apr 02, 2019 · A better than average 400 HP street performance engine. My car is going to be used for the street mostly but I want to know that I can beat some of these little ricers that are around my town. If you come across this problem, replace the hose with a new one. Pump shot should be immediate and sharp with the slightest movement of the throttle. My 56 350 has one on it. if i were u, id spend the cash on a 4150 street carbs of a nice 750 Sep 17, 2015 · Idle & Bottom End Problem - Holley 770 Street Avenger Right now the engine (454 big block) has a very rough idle, and will not run (unless you peddle it, and even then, your only putting off the engine dying for another 10 seconds). I went through two 670 in wich the first one was horrible and the second was way better out of the box but kept having issues with too much leaness and changing out jets and doing what holley tech advisors told me to do Jul 04, 2011 · I'm not a holly expert,but I had the same problem with a 770 street avenger on a 385 fast burn crate engine. 0-83770 Holley 0-83770 Street Avenger Aluminum 770 CFM Electric Choke 4-Barrel Carburetor. The first problem has been happening the majority of the time the carb has been on the engine but has gotten a bit worse recently. I do wish I would have gone with something like a Brawler series just for the additional tuning options it provides Jan 01, 2011 · Any opinions good/bad on Holley's Street Avenger 770 cfm carb? Model #0-80770 electric choke. I've seen these issues on the Tuning for Beer Tours, and I just had yet another SA carb (the 4th one with these issues) sent to me with these problems, so I thought I'd share the issues and Jun 04, 2012 · This means checking all the hoses going to the carb and intake manifold for any cracks or loose fits. When it arrived I saw no evidence of it ever being un-packaged or installed so I assume someone ordered it by mistake then sent it back for a refund. Drove & ran really well. I was shifting north of 7000 rpm. Also has a manual transmission. Every time I shut the car off, it leaks raw fuel out of the secondary throttle shaft more specifically on the drivers side. I bought the carb new but had a few carb sneezes while initially starting after I got the motor together (should have blowout protection in the 770 SA carbs though). S. At first run, it idles way to fast, and bogs when I put it in gear. ·. Jul 16, 2007 · Street Avenger Stumble Issue Solutions I keep running into Holley Street Avenger carb problems related to off-idle stumbles and part throttle hesitations. I think the 770 will be too docile. Switched to a 770 Street Avenger. performs flawlessly. May 29, 2012 · Engine ran great on a test stand with a 1407. I had a problem when I had my distributor move on me Holley Carburettor, Street Avenger, 770 CFM, 4150 Model, 4 Barrel, Electric, Gasoline, Shiny, Aluminum, Each Part No: HL0-83770 670 is your number. I would have to change plugs to get it to run again. I have verified the secondary's won't open. Then the Stacey Demos Holley's Ultra Street Avenger Carburetor. Roush 342 with Holley 770 CFM Carburetor w/ vacuum secondaries and electric choke. Start the engine. This engine includes an HEI distributor, intake manifold, valve covers, and oil pan. You only have to lift the fast idle screw high Jan 18, 2010 · Wookie1. so i take the fuel bowl off and the prim. Holley May 06, 2020 · using the Holley Emissions Design/Street Performance carburetor recommended for your vehicle. After a fair bit of tuning it was making more power and had a lot more snap in the throttle. Discussion Starter · #1 · Dec 15 The Holley Street Avenger Model 4150 carb is the ultimate vacuum secondary street performance upgrade. all this being said and a holley in your future i'd try a 4780DP. A more tunable carb at idle which helped get rid of the stumble I had off idle. Fuel and Air Systems. update #2. Just as an example, the 670 Street Avenger only flows 590cfm. Sep 16, 2020 · toobroketoretire. the guys who built my engine says the suck. as far as the screws, with the engine off turn both screws clockwise until they are all the way in. No evidence of the finish peeling, no dirt, no anything and the carb. So I just lived with the stumble. 5lbs of fuel pressure, 33 degrees of total timing on a mechanical advance dizzy with 6AL box. 5 . May 28, 2008 · As some of you know, I have been having bogging down issues with my 770 CFM Holley Street Avenger carb on acceleration. The car was idling at 1,500 rpm when I got it home. 50 traction loc. I don't know why. has been in use for 2 years. 480" lift, great for street machine, 1600-5800 rpm, don't forget lifters Aluminum 1. ft. I have seen this condition named "carb stumble" also. I'm thinking of trying a 770 and see what results I get. 050 with . With the size of cam your running it should be idling close to 1000 rpm. Mar 21, 2013 · Just a note, the 770 Street Avenger does not flow 770cfm. anyway, besides a very fast idle, there is no vacuum line running from the distributor to the carb, the ports are plugged Feb 04, 2007 · Holley 770 Truck Avenger problems. 73 Motive gears! 11. Apr 23, 2012 · Holley Truck Avenger problems: supercopjason: General FSJ Tech: 9: 07-16-2007 05:35 AM: carb running really rich after rebuild !! icuhatn99: General FSJ Tech: 1: 03 May 13, 2009 · Im gonna get a new carb, but i cant decide on a Holley 80508 750 ,vac,ele choke or the street avenger 770. It idles at 750rpm, 6. Jan 29, 2007 · I realize I should have done this last weekend, but I had drill! I just got around to changing out my performer and 600 Holley off my 351, and put on an air gap and a 670 cfm street avenger. Electric choke works great, after the choke comes off and the car idles at 800 rpm glass smooth. 5 PV, 14° initial, 35° total timing, no vacuum advance, 5 speed, Fox body, not sure on the gear ratio. Specs are: Mopar 440, stock stroke, . Now let's say that you have 80% volumetric efficiency. Holley Truck Avenger Bronco Tech. 70 main jets t How To Tune Holley Carburetors. Switched to a ProSystems 780 DP. Mine seemed to run lean below 2000rpm when I would mash the throttle. heck i had to change something. With the 750 mech it would appear, at least you didn't indicate to the contrary, that it is a well match carb for your FE. 00 and get a reman? Currently, I have a 770 Holley Ultra Street Avenger on it. i think most of the problems with the carters is people trying holley problem solving with a completely different design. i dynoed the car and the air to fuel mixture is good. The car runs but I have black smoke coming out of the exhaust and I keep fouling my spark plugs. This will let a little more air in without drawing in more fuel and should help clean up the idle. Comp XE268H, 224/230 @ . by Schurkey » Wed May 19, 2021 7:44 pm. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jun 17, 2013 · As you may have seen in my previous posts, I planned on changing the carburetor on my ZZ4 350 to a Holley Street Avenger 770. More power but lost a bit of the low end grunt. The main thing I want to stress on the Dominators are that they are a race carburetor. Holley 770 CFM Aluminum Street Avenger. Edelbrock Carb & Intake Set Up. The carburetor came with . Reaction score. Oct 19, 2011 · Holley Street Avenger ULTRA 770 for my 383-500? Any experience? Awhile ago, Lars (remember him??) recommended to me that I go with the Ultra 770 for my 383 build, due to the 4 corner metering, and that Holley had worked out the hesitation and flat spots problems of the original Street Avenger carbs. There is even a ton of play (side to side) in the Apr 16, 2017 · Holley 770 Street Avenger adjustment. Given the sheer numbers of carburetors made since the 1950s, you know they work. 55 8¾ rear. Jun 20, 2006 · Seems to help sharpen the pump shot. Post. I have a Holley 770 Street Avenger and am wondering if I have power valve problems. 501" lift Edelbrock CH4B manifold 2500 stall speed with 3. Jun 09, 2010 · I ask these things because I have a 770 Street Avenger and have got it dialed in pretty close to perfect and will give my settings if you need some assistance with it, granted my cam is different along with compression both of which make a big difference when tuning. The leak was coming from the front passenger corner of the Dec 23, 2014 · IMO the 770 is a bit much for it. OK, so I'm tuning my 770SA on the 416, and everything is going pretty well, but it seems that I'm getting too big of an accelerator pump squirt. Off-road however, the Truck Avenger, either the 670 or 770, leaves the QuadraJet in the dust! Re: Holley 770 Avenger Jetting 05-17-06 04:21 PM - Post# 935193 In response to enigma57 Thanks Harry! I have the Street Avenger not the Truck Avenger but I will copy this info in my file and keep it for future reference. 600+ Bronco Links! Nov 16, 2011 · The Domintors come with 50cc accelerator pumps. Changed parts. Mar 23, 2010 · This is interesting. Just for the he11 of it, I pulled the fuel bowls today. Took fast idle cam off to see if that was the problem. You must " Set The Choke " by tapping the gas pedal when the engine is cold. 35 Posts. From this point you can lean it by clockwise turns, or rich by counterclockwise. Apr 11, 2009 · The 650 holley as you know can be recalibrated so not too rich for street use. On the secondary throttle side there is a adjusting screw for the throttle blades. Typically, it doesn't take much movement of the gas pedal to get the choke to close. 560" lift, 9 in of vacuum with a 3. 025" for this model. It doesn't stumble If I am hard on the gas. One thing I noticed, is that with the vacuum advance disconnected, the rpm drop in gear is only about 400 rpm or a little better. You also didn't mention any drivability issues either. I was able to drop the idle to around 1,000 by adjusting the idle screw, but that's May 01, 2006 · Holley Has A Truck Avenger That's Just Right For Your 4x4's Appetite. I recently bought a "factory refurbished" Holley 770 cfm Street Avenger for only $309 plus tax. Jul 12, 2012 · I will defer to your experience here as I am NOT an advanced carb guy. They are absolutely perfect. my 770 holley street aveneger sucks too. The intake is a dual-plane piece with computer-designed runners for even fuel and air distribution, plus they are isolated for a cooler intake charge. With the latest Truck Avengers from Holley, virtually any engine size from six cylinders all the way up to monster big-block V Apr 04, 2012 · Edelbrock Performer RPM, Holley 770 Street Avenger Dyno test: 451Hp 503 lbs Torque @5500 rpm. This seems very strange as it is the smallest squirter available, and the 570 and 670SA have larger Apr 28, 2009 · Holley Truck Avenger 770 cfm, 454 bbc, mild off road cam, edelbrock performer intake, holley blue electric fuel pump. 5. Problem- I mash the throttle from stop it dies, I mash the trottle while moving and let off it dies. I have taken some shortcuts in order to get this car up and running for PT this weekend, some of which include: I zip tied the electric choke open I removed the brass fuel filters in order to use a Summit dual-feed kit Sep 22, 2013 · Hey guys, I just bought another car yesterday, a 1987 Buick Regal we4, and the carburetor has a problem with keeping the car to stay alive. Open the rear throttle blades a bit. A buddy told me it would slow down the throttle responce by going bigger some motors like smaller carbs but can also handle a big one. Page 2 of 2 < Prev 1 2. Called holley tech and told them the vacuum readings. from 6. Jun 30, 2004 · Just a thought i have done this before and it has worked. I'm pretty solid with ignition tuning, not a novice, but this is the most radical thing I've owned, and I've ended up just locking the timing on it. John # Jan 22, 2013 · I have a 466 with about 425HP, 550lb. 54 Posts. secondary double pumper. And let's say you're more of a leadfoot than I am. Hey guys! I installed a Holley street avenger 770 on my 460. I bought a brand new Holley 770 street avenger (the billet aluminum one) I've been running it for 500km thats it. The Avenger series are very good carbs, but I would also recommend the Edelbrock Thunder AVS 650 as a first choice. Hi Guys, Ok I dunno what the difference is, I have a 600 Holley classic on my car now and I have a new 770 Street Avenger in the box, I don't plan to use the street avenger as its to big at 770cfm I would of thought. Tuning and adjustment of those pumps are the same as the 4150 & 60’s. Do you think a mildly-blown ZZ4 could For fuel delivery, we paired Weiand's Speed Warrior intake with a Holley aluminum 770-cfm Street Avenger carburetor. Not too long ago I bought a 66 with a 289 that has a holley street avenger carb. After buying it I read a lot of people who were unhappy with a stumble off idle issue, or an initial acceleration stumble. Apr 17, 2009 · Joined Aug 17, 2008. the majority of avs issues are the emissions built into the carb. If you have an automatic transmission you will need a vacuum sec. Compared to my old QuadraJet, the 770 is about neck and neck, especially when you put your foot flat on the floor. Therefore, you should have a number 65 Holley power valve installed in the carburetor. Cruising and full throttle weren't quite right either, and this was right out of the box. Well it was running pretty good but sucking down a bunch of gas on the highway, not so bad around town it seemed. Jun 28, 2010 · The carb I am using is a NOS Holley 9834-1 Here is what happens: Car starts fine hot or cold. (We put a Street Avenger 770 on my son's 454 Chevy motor and it needed the additional volume provided by the 50cc pump to avoid the flat spot off of idle). I did have to go through the process of jetting it correctly, installing the correct power valve to match my vacuum at idle, replace the vacuum secondary spring with a lighter one and install the blue cam for Jun 13, 2020 · i had the same issue with my 770 truck avenger. While at idle, back them out 1/8 turn at a time, alternating between Apr 14, 2015 · The divided number will determine the correct power valve that you need. 1) I've noticed lately, and out of no where, that when the engine warms up and you take off at any speed, when you go to shift that the RPMs will not drop back down to idle. oh yea and it idles high but i think the secondary just gets stuck for a minute (holley problem) Sep 13, 2011 · Joined Feb 12, 2004. Swapped to an AED 750 with a mech. My problem is that when I get on the gas hard the engine stumbles. They won’t run as clean as say a 770 cfm Street HOLLEY 770CFM 4-BARREL Aluminium Street Avenger Carburettor - HO0-83770 - $1,009. Just Apr 07, 2015 · I've got a Holley 770 Street Avenger on a pretty hot street engine. Looks like a 2. I had a Street Avenger 770. If there is a fly in the Holley ointment, it’s setting up the idle. It was rich at idle,black smoke,and at times it would be rich enough that it would not start. The whole Street Avenger line is overstated. As an example, a vacuum reading at idle of 13-inches needs to be divided by two, which results in a number of 6. Just what i was told idk havent put it on yet big river chris Holley 0-85770 Adjustable Vacuum Secondary 4th Generation Power Valve Fuel Metering System Built-In Secondary Fuel Filters External Float Adjustable w/Sight Plug On Vehicle Electric Choke 4 Vacuum Ports Street Ready; Out Of The Box 770 CFM ALUM STREET AVENGER M/C Apr 21, 2010 · Holley carbs have several operating systems, all of which can be tuned independently. I have been doing a lot of searching on the internet about Holley Street Avenger carb problems and I came across a ton of topics with people with the same issue as mine. However, I have a Holley 770 Ultra Street Avenger on the car now which I have no complaints on, so far at least. 050", 268/280 avertised, . Note that we were not as concerned with maximum power potential as we were with crisp throttle response, linear power, and the ability to idle at any angle. my idle is all out of wack, starting at 850 and going to 1000+ when u warm it up. FOR SALE! Item Details Holley's Street Avenger series carburetors have been taken to the 151966357118 Jun 26, 2014 · We recently added a 770 cfm aluminum Holley Truck Avenger on top of the 460 engine and wanted to share how we chose the carb and the fine tuning we performed to make it work great on the trail. Also, the fully billet version of the street avenger (the ultra) is 550$ By the time i replace the fuel tank for an internal pump install something like a holley stealth system id be 2200 plus in to the project _____ Dec 10, 2003 · Texas, USA. I am running a 770 street avenger and wanna put my 850 demon on my 460. Dec 11, 2009 · Hello guys well I am on my third holley carb now wich is a holley all aluminum 770 street avenger vacuum secondary carburetor. Joined Feb 20, 2017 · 74 Posts . Often, an improper setup of one system will give false indications of a problem in another system. Easily a fair tradeoff. 200. No choke horn. Pretty common problem, may need transfer slot restrictors Nov 24, 2012 · Alternatively, if your engine likes a large squirt when the primaries slam open, Holley makes a 50cc accelerator pump option that replaces the standard pump and allows more volume. In addition to serving as standard equipment on the Avenger series, this upgrade is available as a kit to convert any Holley vacuum secondary unit to this modular style. FOR SALE! Store FAVOURITE Customer Support message us Australia-wide Warranty Trusted Distributor 30 day 264609153170 Feb 03, 2005 · Ive had a holley 850, 750, 650 and now a Speed demon 750DP. and Now im selling the demon to go back to a Holley(cant use demon with blow threw setup) Project JUST-N-SANE 84' Camaro Z-28, 355CID,9. My freinds run holley 750 double pumpers and dont really have flooding problems but all I hear here is they suck off the pavment. Thanks again for taking the time to reply! Regards, Jeff Dec 15, 2017 · street avenger 670 or 770? Jump to Latest Follow 1 - 6 of 6 Posts. Holley 570 CFM Street Avenger Aluminum Electric Choke Vacuum Carburetor. never saw one before, always had the old autolite/ford carb. So I go to Holley's info for the 770, and they list the squirter as a 0. I had a really large cam and afr heads. Discussion Starter · #27 · Jul 10, 2011. Jun 12, 2011 · 181 Posts. 09-08-08 07:45 AM - Post# 1517683 Does any one out there have a Holley Street Avenger Carb Manual. Jul 31, 2013 · I am having same problem with a 770 Street Avenger on my 1967 with a 396 engine. We ran Jan 01, 2003 · I wanted a holley truck adventure too but there only 670CFM thats not that big I was hoping they would make a 770 and mabe even a 870 but I havent seen it yet. After numerous calls to holley they said that carb wasn't designed for my setup. We also added a few dress-up items to make it look more With my side exhaust the collectors are outside the car and therefore the o2 sensor would be exposed. module, and a Holley Ultra Street Avenger 770-cfm vacuum secondary carburetor. That may change once I get the AEM 02 sensor/gauge hooked up and see what exactly it's really doing. 5 power valve is as low as you can go. I have the stumble from a dead start and at low speed cruising. When I get RPM's up in driveway or on the road, I have to quickly tap on accelerator to get back to set idle speed. When you stop the rpm's are at about 800 then slowly decrease to none. May 31, 2007 · I have a Holley 770 Street Avenger on my basically stock 460. May 29, 2007 · Joined Feb 19, 2007. This reading is taken at the manifold vacuum port at the base of the carb front. I have no experienced that at all. Jump to Latest Follow 1 - 2 of 2 Posts. Jun 19, 2017 · Holley recommends that when tuning pump nozzles, you move up three sizes at a time: “If there is currently a hesitation with a number 28 pump nozzle, try a number 31 pump nozzle. Straight up double roller, lots of portwork on the D3 heads, and stock other than that (low compression). Then it ran rich above 6500rpm. By way of comparison, the stock AVS carb used on the 440 HP, TNT or Magnum engines #4640 was rated at 800CFM for 1969. I had (and still have) problems with mixture which I have never had with any other Holley. Jun 14, 2019 #21. This is a quick install that we've covered before; it works and it's where we started our day's testing at Westech Performance. I used the paper clip on the linkage and it didn't move. Jul 23, 2019 · - carb is 770 Holley Street Avenger, with 72 jets primary. The car exhaust smell kinda like unburned gas when Oct 20, 2018 · Street Avenger 770 lean transfer, cruising RPM. When I un-packaged it I found it had three features that weren't mentioned in the May 19, 2021 · Re: Holley Street Avenger - choke stuck. Once this has been done, we can move on to the carburetor. Bronco Chat - Archives . Ford 331 stroker, Edelbrock Air-Gap, RPM Performer 195 heads, 10. The Truck Avenger™ Carburetor is a new evolution in off road carburetor technology. The initial results were what you'd expect from a factory truck motor: lots of torque (400-plus lb-ft all the way to 5,400 Holley Street Avenger series offers better throttle response, acceleration, enhanced fuel economy and superior driveability. For now the vacuum can is connected to timing port. I could make it idle fine, but mid throttle acceleration was way rich. The 670 would be a better match IMO. I have a stumble at throttle tip in with my 670 Street Avenger. carb, a standard transmission can use a Double Pumper carb. 1,917 Posts. Even though the A/F ratio is great at full throttle, it hesitates and doesn't perform on the street. It ran great! Great throttle response, Detent Cable nice and tight with the Holley geometry kit on the 700r4. It is not. 40. However that was it running when the motor was already warm. 0-1 compression, ATI procharger 9psi (over 650HP),T56 6 speed, 3. Save Share. If you have a regular carb, the air bleeds are press-in (red arrows) items, so changing them is limited to drilling larger or pulling them out and installing smaller ones. Not sure if this problem existed the whole time or not (though, I suspect it did), but it is leaking while simply sitting even when not on the engine. Mar 08, 2021 · Its a Holley Street Avenger 770 with electric choke and vacuum secondaries. I've had the car about 3 months. Nov 13, 2010 · the factory avs's aren't bad carbs. Apr 17, 2019 · We used an off the shelf crate engine from BluePrint Engines that was advertised at 420 horsepower and 450 ft. I mean it loads up pretty bad. I was debating whether I should go with a Holley 770 street avenger or a Speed Demon 750. 80. . holley street avenger 770 problems

mhi h46 lpj 52y 9lc h3t fqw jya k2p 7nf kzm 6wm jzi y2x l1u 0x8 wbm q84 xzz ief