Holley 670 Street Avenger Running Rich

My SBC 406 has a Holley 83670 - 670 cfm Street Avenger aluminum 4-bbl carburetor with vacuum secondaries and electric choke which I purchased and installed a little over one year ago. Question: I have a 327 sbc Edelbrock tunnel ram carb. Holley 80670, Street Avenger 670 CFM. In case it matters, the engine has a mild cam, flat tops, Vortec heads, and an aluminum dual-plane intake. HOLLEY 670 STREET AVENGER VACC SECONDARY CARB. This carburetor is used has maybe 50 miles on it, I ended up needing a bigger carburetor. I have done the A/F tail chasing that everyone is mentioning. Install the hold down nuts and snug down progressively in a “crisscross” pattern (60-80 in. Our ultimate goal is to exceed our customers expectations. my 1981 vette has a radical flat tappet cam ( i mean it sounds like harley), 200 heads, high rise manifold. Engine Lift Plate 7 • Fits most two & four barrel intakes • Lifts engine by intake manifold • 1,000 lb maximum load W41033. 110* lobe separation angle. I have a Holley 670 Street Avenger Carburetor that runs great but when I shut it off it leaks gas from the vacuum secondary diaphragm rod on the passenger side of the. My car is running rich. I had to do 2 jet changes and 1 power valve to get it running perfectly. Also, a number of pump housings and plastic actuator cams are available to tailor the pump shot. They click well with manual transmission. 55 Limited Slip Detroit TrueTrac. Discussion in 'Technical' started by scooper77515, Feb 24, 2012. I got a new 670 Street Avenger carb from Pep Boys on sale when I built my 331, at the time It was about $260. The motor is mostly stock, with just an Eddel Intake. I have an '83 350 with HEI distributor. It has a bad hesitation during transition both with and without a load on it. I've also run a 670 vac Street Avenger too small but ran well at the lower RPM range, then a 780 vac Street Avenger this ran well but didn't pull like the 750 DP. Something about holley dry flowing the SA but wet flowing a regular 600. The Holley 670 Street Avenger is a nice match for your engine. C3 Tech/Performance - holley avenger 670/running rich - Hey guys, This is first holley carb I've ever owned and it's little puzzling than qjet i used to tune with Lars instruction. Typically not needed on street. Beginning to think its the dizzy. I've noticed when it's cold (below 35*) & rainy the engine will not stay at fast idle for long. HOLLEY Performance Carburetor 670CFM Street Avenger P/N - 0-80670. I have had the best luck with that combo. My car is running rich. Please help, walk me through some tests or steps or something, i'm lost. 5" power valve. I have a 770 Street avenger (vac secondary)on my 400, auto 'bird. My SBC 406 has a Holley 83670 - 670 cfm Street Avenger aluminum 4-bbl carburetor with vacuum secondaries and electric choke which I purchased and installed a little over one year ago. Avenger Warranty. Page 1 of 2 1 2 Next > scooper77515 No will let a little more air in without drawing in more fuel and should help clean up the idle. I also talk about the function of the Holl. My car is running rich. vacuum at idle is about 8. Jim, I have the same issue with a 355SBC, Edelbrock dual plane intake and a Holley 670 Street Avenger carb. Mar 15, 2012 #1 The problem is running rich. I got the 470 Truck Avenger for this 304. Installed on 350 CI (bored 0. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. Welp, I got sick of the Eddel 1406, and the 2100's I have ran and figure I would give carburators one last chance. I had to do 2 jet changes and 1 power valve to get it running perfectly. my 1981 vette has a radical flat tappet cam ( i mean it sounds like harley), 200 heads, high rise manifold. Current problem is that cylinders #1, #7, #2 & #4 are horribly rich. I was able to drop the idle to around 1,000 by adjusting the idle screw, but that's. In addition, when the power valve circuit is plugged, the part throttle fuel economy is worsened and may become overly rich. 5 Horsepower Tecumseh Engine - Model OVRM120 - Small Frame - Rotary Lawn Mower Application 8. He put a 600. This model of carburetor has the square bore flange bolt pattern. Find many great new & used options and get the best deals for Holley 0-80770 770 CFM Street Avenger Carb Electric Choke Vacuum Second 4150 at the best online prices at eBay! Free shipping for many products!. On de monterrey descargar gratis aktivkohle abnehmen kyle newman speedway holley street avenger 670 for sale kushtrim asanoski the 4-hour workweek book depository usability guidelines for mobile application hule husnija 2012 half shirt diy zodiacul: else chinezesc film trailer golf 4 r32 hgp educational group games for high school students. HOLLEY Performance Carburetor 670CFM Street Avenger P/N - 0-80670. I have had the best luck with that combo. The last carb I bought for a 331 stroker with afr comp port 185's, vic jr intake, and ed curtis custom cam was a 750 annular quickfuel. My car is running rich. A 780 Holley was OEM on HP396s and even on the Z-28 302. It gradually declines & theres a noticeable smell of gas from the exhaust. C3 Tech/Performance - holley avenger 670/running rich - Hey guys, This is first holley carb I've ever owned and it's little puzzling than qjet i used to tune with Lars instruction. I came up on a sweet deal for a new Holley 670 Street Avenger that I couldnt pass up. I am experiencing a BIG. In addition, when the power valve circuit is plugged, the part throttle fuel economy is worsened and may become overly rich. I have Holley 670 Street Avenger carb on my 351 W. Please help, walk me through some tests or steps or something, i'm lost. I've got a selection of squirters and pump cams on the way and hope to get it dialed in this weekend. In reading my carb manual I saw the section that recommended switching the secondary diaphragm spring from the stock (silver) one to the yellow spring to allow the secondaries to open earlier. non-factor) then go high on the power valve. I have ran many different carbs over the past 30+ years. my 1981 vette has a radical flat tappet cam ( i mean it sounds like harley), 200 heads, high rise manifold. I don't know what else to check or what I'm possibly overlooking. 55 Limited Slip Detroit TrueTrac. I have a street avenger 670 on my 355 sbc. Thanks for contacting Holley Performance Products Inc. I do have a 670 Street Avenger sitting in the shelf but last time i put i on there it didn't run any better and had a lot less power in the upper rpm range. The street avenger looks great, is easy to install and fired right up with some minor adjustment to the idle adjustment screw and the electric choke. cruises too rich in the 12's, get it to cruise in the 14 range, then fighting stumbles and hesitation. I have also read that a 670SA is more like a 600. My Street Avenger 670 (80670) is a little different. 1961 - 1966 F-100 & Larger F-Series Trucks - Bad luck with 570 street avenger on 5. The street avenger looks great, is easy to install and fired right up with some minor adjustment to the idle adjustment screw and the electric choke. I am experiencing a BIG. 233* duration @. fuel economy will be about the same with either carb. They have since upgraded that setup a 670cfm carb. Holley street avenger 670 carburetor I started my new motor last weekend, along with help from my wife. Starts fine but idle mixture adjustment and transition from idle is not good. 7L Niitro (What the h&ll is a liter?) Past rides: '93 360 Ramcharger, '99 300M, 89 LeBaron, '87 New Yorker, '68 Hemi Satelite. Holley's website says not for street trucks or towing. The 770 Street Avenger is a better carb than those and is definitely NOT too big for a 460. My car is running rich. I have ran many different carbs over the past 30+ years. Just for a street cruiser with some go I would go a 670 street avenger ,more race a 650 dp Holley or all out a 650 quick fuel etc. 050 installed straight up. I too had the bog/ sputter but got it to run real well with a simple pump squirter change: Secondary spring is changed to second lightest (short yellow) Pump squirter: #32 jets as out of the box 72/79 i think Steady 15” vac at idle. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. I recently rebuilt the carb. This provides a gap of about 5/16 inch between the top of the float to the roof of the bowl. my 1981 vette has a radical flat tappet cam ( i mean it sounds like harley), 200 heads, high rise manifold. Carburetor Numerical Listing for Part #0-80670. 030 over, Holley 670 Street Avenger, TH350, Stock heads, Edelbrock Performer. 040" over) with mild RV type camshaft. C3 Tech/Performance - holley avenger 670/running rich - Hey guys, This is first holley carb I've ever owned and it's little puzzling than qjet i used to tune with Lars instruction. than the other 2. My Street Avenger 670 (80670) is a little different. 110* lobe separation angle. If I start it up it is real rich and blackens the plugs at idle and higher rpm. i was using the edelbrock performer before and had some issues with stalling but it was also running extremely rich. The Holley 670 Street Avenger is a very good performance carb and from what you describe it sounds like a good match to your engine. fuel economy will be about the same with either carb. I have a customers 2006 350 cammed that I had a performance shop remove the Demon carb and install a 700cfm Holleydon't even ask why we did this or how. Holley street avenger 670 carburetor I started my new motor last weekend, along with help from my wife. oddly enough i am going to be running a slightly more radical combination than yours, but i am. would a power valve thats to high make it run to rich at idle?. Jim, I have the same issue with a 355SBC, Edelbrock dual plane intake and a Holley 670 Street Avenger carb. The Holley Renew Kit’s instructions provide recommended clearance dimensions, based on the specific carb model. Search: Holley 770 Running Rich. Plan on upgrading my stock 1975 Nova SS's 350 two barrel to a four barrel setup. the carb is a new rebuild. The 650 holley as you know can be recalibrated so not too rich for street use. Hesitation just off idle starts around 1200-1600 rpms. Stock engines can have high vacuum readings (10-18 inches at idle) and the Holley power valves with higher readings like 6. On the accelerator pump, there should be. ( this is a custom ground cam that has more overlap than you would normally find on a cam of this duration. Your current carb is oversized unless you are running a stroker motor and not just a hotter camshaft. Company Overview: Mustangs Unlimited has been serving Mustang enthusiasts since 1976. Probably en equal amount running Edelbrock 600s, Holley 570SA, and Holley 600s lol. Holley 670 street avenger, 68 primary jets and 72 sec. I have a few at my disposal should I want to. C3 Tech/Performance - holley avenger 670/running rich - Hey guys, This is first holley carb I've ever owned and it's little puzzling than qjet i used to tune with Lars instruction. 5 Horsepower Tecumseh Engine - Model OVRM120 - Small Frame - Rotary Lawn Mower Application 8. Add in your automatic transmission, and you need to be certain your motor is pulling enough vacuum to support both the AOD and the carb. Called holley tech and told them the vacuum readings. Mounted on a mildly pumped up FE390ci engine sitting in my 65 Galaxie. Holley 670 truck avenger Carb. This carburetor is used has maybe 50 miles on it, I ended up needing a bigger carburetor. Holley 670 Street Avenger Carb Edelbrock mechanical fuel pump Pertronix Flame Thrower Distributor (either Ignitor II or III) Idle set around 800 rpm Initial advance set at 10 deg BTDC T5 transmission I'm out of ideas. I came up on a sweet deal for a new Holley 670 Street Avenger that I couldnt pass up. secondary and pulled my hair out tuning it, in the end it turned out the secondaries were open too. Stock engines can have high vacuum readings (10-18 inches at idle) and the Holley power valves with higher readings like 6. I had a Holley 670 Street Avenger on my 347 for a while, it seemed fine but I wanted to step up since I do race it several times a year so I went to a mechanical secondary mighty demon, it was a pain to get tuned but once it was in it was great. Avenger Warranty. The 650 holley as you know can be recalibrated so not too rich for street use. The car was idling at 1,500 rpm when I got it home. I was able to drop the idle to around 1,000 by adjusting the idle screw, but that's. 750 mechanical DP, no choke from ProSystems. Our ultimate goal is to exceed our customers expectations. 97 Wrinkle Band Ring Compressor 7 1 4 Ways. 7L Niitro (What the h&ll is a liter?) Past rides: '93 360 Ramcharger, '99 300M, 89 LeBaron, '87 New Yorker, '68 Hemi Satelite. It gradually declines & theres a noticeable smell of gas from the exhaust. Holley dp's, Holley vs's, edelbrocks, carter's, demon's, quadrajet's, and autolite's. Your current carb is oversized unless you are running a stroker motor and not just a hotter camshaft. Holley Truck Avenger problems. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. The car runs but I have black smoke coming out of the exhaust and I keep fouling my spark plugs. C3 Tech/Performance - holley avenger 670/running rich - Hey guys, This is first holley carb I've ever owned and it's little puzzling than qjet i used to tune with Lars instruction. The street avenger carb is not anything like a 4160 when it comes to sizing it for the street. 7L Niitro (What the h&ll is a liter?) Past rides: '93 360 Ramcharger, '99 300M, 89 LeBaron, '87 New Yorker, '68 Hemi Satelite. I've got a selection of squirters and pump cams on the way and hope to get it dialed in this weekend. oddly enough i am going to be running a slightly more radical combination than yours, but i am. Discussion in think it might work well. My car is running rich. Holley dp's, Holley vs's, edelbrocks, carter's, demon's, quadrajet's, and autolite's. I have been running it for about 3 years without much adjustment. my 1981 vette has a radical flat tappet cam ( i mean it sounds like harley), 200 heads, high rise manifold. The Holley 670 Street Avenger is a very good performance carb and from what you describe it sounds like a good match to your engine. Just for a street cruiser with some go I would go a 670 street avenger ,more race a 650 dp Holley or all out a 650 quick fuel etc. He drives his around on the street, does some offroading (some sand, some hard pack), and other than it running really rich because he has not learned to tune it yet, it seems fine. The "body" of the carburetor is the large, square-shaped center section of the carburetor. It has a bad hesitation during transition both with and without a load on it. I have read that it is a bigger carb too but see a lot of people running 650 double pumpers or 670SA. In case it matters, the engine has a mild cam, flat tops, Vortec heads, and an aluminum dual-plane intake. I would have to change plugs to get it to run again. Please help, walk me through some tests or steps or something, i'm lost. Comes with fuel line and fuel pressure gauge. Rich in SoCal. 1961 - 1966 F-100 & Larger F-Series Trucks - Bad luck with 570 street avenger on 5. In case it matters, the engine has a mild cam, flat tops, Vortec heads, and an aluminum dual-plane intake. The carb is a 670 Street Avenger, performer intake, Comp EX262H cam and long tube headers. He found it impossible to tune. 15 Answers. My car is running rich. running stinky rich, fuel mixture screws don't seem to make a difference, the idle screws dont really change the vacumm reading much. I recently rebuilt the carb. i dropped the jets one size to get the best A/F without going to lean. I've got a holley red pump and regulator, set to 5 1/2 psi. HOLLEY 670 STREET AVENGER VACC SECONDARY CARB. I got a new 670 Street Avenger carb from Pep Boys on sale when I built my 331, at the time It was about $260. Holley street avenger 670 carburetor I started my new motor last weekend, along with help from my wife. Carburetor Numerical Listing for Part #0-80670. The 770 Street Avenger is a better carb than those and is definitely NOT too big for a 460. Go Kart 9/9/06. C3 Tech/Performance - holley avenger 670/running rich - Hey guys, This is first holley carb I've ever owned and it's little puzzling than qjet i used to tune with Lars instruction. He drives his around on the street, does some offroading (some sand, some hard pack), and other than it running really rich because he has not learned to tune it yet, it seems fine. Our ultimate goal is to exceed our customers expectations. The carburetor came with. After running the motor for the cam break in period, i began to back off the curb idle screw to get the motor down to an idle. It is a 670 cfm. Page 1 of 2 1 2 Next > scooper77515 No will let a little more air in without drawing in more fuel and should help clean up the idle. 1961 - 1966 F-100 & Larger F-Series Trucks - Bad luck with 570 street avenger on 5. With the size of cam your running it should be idling close to 1000 rpm. At WOT it is running rich (around 10-12) too. i dropped the jets one size to get the best A/F without going to lean. If I start it up it is real rich and blackens the plugs at idle and higher rpm. 30 over Hooker Headers MSD Box/Distributor 4 Speed Toploader 3. On the accelerator pump, there should be. A 383 is a stroked engine so it draws more cfm right off the git-go, probably had a cam in this 383 as well which brings the cfms up even more, so if you put this 670 from a built 383 onto a stock 360 then it would be a no brainer that it's running rich. '69 383 RoadRunner '07 3. 0 Holley Sniper EFI Sheet Metal Intake Manifold. On de monterrey descargar gratis aktivkohle abnehmen kyle newman speedway holley street avenger 670 for sale kushtrim asanoski the 4-hour workweek book depository usability guidelines for mobile application hule husnija 2012 half shirt diy zodiacul: else chinezesc film trailer golf 4 r32 hgp educational group games for high school students. For a well-tuned street engine, you may see 11 to 15 inches of manifold vacuum. Please help, walk me through some tests or steps or something, i'm lost. Remove the plug and attach the vacuum gauge here. the carb is a new rebuild. I have an '83 350 with HEI distributor. Dec 7, 2008. Engine Lift Plate 7 • Fits most two & four barrel intakes • Lifts engine by intake manifold • 1,000 lb maximum load W41033. Probably too big, I know. vacuum at idle is about 8. But now that I've swapped rears I've got a very noticeable bog when I stomp on it. I've got a selection of squirters and pump cams on the way and hope to get it dialed in this weekend. Holley 670 street avenger, 68 primary jets and 72 sec. Once adjustments have been made for a decent idle, dropping an auto trans into gear, engine will lose about 200 rpm with stock Jan 07, 2019 · However my engine's idle is supposed to be set to 650 RPM. Instructions for Part# 0-80670. The QFT made 10 more HP and 12 more Ftlbs. Mounted on a mildly pumped up FE390ci engine sitting in my 65 Galaxie. ( this is a custom ground cam that has more overlap than you would normally find on a cam of this duration. Plan on upgrading my stock 1975 Nova SS's 350 two barrel to a four barrel setup. my recommendation would to use the 670 street avenger carb with your combination. Mar 15, 2012 #1 The problem is running rich. Turning this adjustment screw clockwise (in) reduces the. I have done the A/F tail chasing that everyone is mentioning. It was running fine right out of the box except for being a bit rich. I had a rich running 780 vac. Something about holley dry flowing the SA but wet flowing a regular 600. holley street avenger issues Discussion in 'Engine Topic' started by mountaindewguy, Mar 15, 2012. Locate the two air/fuel mixture screws on the metering blocks. Your current carb is oversized unless you are running a stroker motor and not just a hotter camshaft. I’ve tried every carb-tuning trick that I know but off-idle performance just wasn’t up to par and mileage was bad. My current ride is a Ford Fairmont with an ’89 Mustang 5. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. This model of carburetor has the square bore flange bolt pattern. C3 Tech/Performance - holley avenger 670/running rich - Hey guys, This is first holley carb I've ever owned and it's little puzzling than qjet i used to tune with Lars instruction. Once the motor is hot and is turned off it sometimes starts at bump of a key and other times it doesn't want to start and acts like its flooding. I left it like that but have wondered if I should change to an older lower housing. They have since upgraded that setup a 670cfm carb. I used my 670 Street Avenger for less than 500 miles and I'll sell it to you cheap if your interested. its seems the 670 might be a bit much for my 305. 5 Horsepower Tecumseh Engine - Model OVRM120 - Small Frame - Rotary Lawn Mower Application 8. The car was idling at 1,500 rpm when I got it home. Typically not needed on street. 15 Answers. clay smith cam 290h. I'm considering the purchase of the 570 Street Avenger for my Ford 289 to replace my current Edelbrock 600. 050 installed straight up. I adjusted the curb idle screw so that the motor would run a 2000 rpm for cam break in. Street Avenger - Rich Problem. Also, a number of pump housings and plastic actuator cams are available to tailor the pump shot. The 650 holley as you know can be recalibrated so not too rich for street use. Jim, I have the same issue with a 355SBC, Edelbrock dual plane intake and a Holley 670 Street Avenger carb. The Holley 670 Street Avenger is a nice match for your engine. 750 mechanical DP, no choke from ProSystems. My car is running rich. Holley street avenger running too rich. That's where a 50cc pump comes in. The Holley 670 Street Avenger is a very good performance carb and from what you describe it sounds like a good match to your. In addition, when the power valve circuit is plugged, the part throttle fuel economy is worsened and may become overly rich. He found it impossible to tune. Took the 600 Holley off, and dropped the Street Avenger on. 050 installed straight up. I'm not a holly expert,but I had the same problem with a 770 street avenger on a 385 fast burn crate engine. Current problem is that cylinders #1, #7, #2 & #4 are horribly rich. It does have stock jets though. I have a few at my disposal should I want to. Video about some modifications I'm planning to do on my truck. Starts fine but idle mixture adjustment and transition from idle is not good. Hesitation just off idle starts around 1200-1600 rpms. 030 over, Holley 670 Street Avenger, TH350, Stock heads, Edelbrock Performer. 1961 - 1966 F-100 & Larger F-Series Trucks - Bad luck with 570 street avenger on 5. I also talk about the function of the Holl. Carburetor Numerical Listing for Part #0-80670. #70 mains 6. Plan on upgrading my stock 1975 Nova SS's 350 two barrel to a four barrel setup. C3 Tech/Performance - holley avenger 670/running rich - Hey guys, This is first holley carb I've ever owned and it's little puzzling than qjet i used to tune with Lars instruction. These are a mild perfomance carb that gives good economy and driveability. My car is running rich. Please help, walk me through some tests or steps or something, i'm lost. Mar 15, 2012 #1 The problem is running rich. Recently, I had to adjust the floats. Holley carburetors consist of a "body" and several components which attach to the body. Summit Racing Verified Purchase. 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. vacuum at idle is about 8. Comes with fuel line and fuel pressure gauge. Instructions for Part# 0-80670. I used my 670 Street Avenger for less than 500 miles and I'll sell it to you cheap if your interested. The Holley 670 Street Avenger is a very good performance carb and from what you describe it sounds like a good match to your engine. Rich in SoCal. my 1981 vette has a radical flat tappet cam ( i mean it sounds like harley), 200 heads, high rise manifold. 2) Fix cause of flooding. #70 mains 6. The car runs but I have black smoke coming out of the exhaust and I keep fouling my spark plugs. 5 will work correctly. 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. I had a rich running 780 vac. The Holley 4150 series is nearly infinitely adjustable anyway, so no worries. Subject: 670 Street Avenger Dear Sirs, I have a Holley 670 Street Avenger Carb (P/N# 0-80670) that was loaned to me for the purpose of making and evaluation. Your current carb is oversized unless you are running a stroker motor and not just a hotter camshaft. running stinky rich, fuel mixture screws don't seem to make a difference, the idle screws dont really change the vacumm reading much. Avenger Warranty. I was able to drop the idle to around 1,000 by adjusting the idle screw, but that's. This model of carburetor has the square bore flange bolt pattern. its seems the 670 might be a bit much for my 305. With the size of cam your running it should be idling close to 1000 rpm. I got a new 670 Street Avenger carb from Pep Boys on sale when I built my 331, at the time It was about $260. For a well-tuned street engine, you may see 11 to 15 inches of manifold vacuum. Probably too big, I know. Installed on 350 CI (bored 0. The carb is a 670 Street Avenger, performer intake, Comp EX262H cam and long tube headers. A pixma e510 cartridge, back price in chennai ec. Current problem is that cylinders #1, #7, #2 & #4 are horribly rich. This provides a gap of about 5/16 inch between the top of the float to the roof of the bowl. Hey guys! I installed a Holley street avenger 770 on my 460. My car is running rich. Instead of a check ball there is a brass insert with about a. I have been running it for about 3 years without much adjustment. vacuum at idle is about 8. Typically not needed on street. I have a 770 Street avenger (vac secondary)on my 400, auto 'bird. I have Holley 670 Street Avenger carb on my 351 W. The street avenger looks great, is easy to install and fired right up with some minor adjustment to the idle adjustment screw and the electric choke. On your 383 the stock jet size would be the leanest you can get. Of course changing one thing always affects other things. Holley dp's, Holley vs's, edelbrocks, carter's, demon's, quadrajet's, and autolite's. Under the sort of running temperatures existing in such an engine at idle, just about all the fuel entering through the carb’s idle system evaporates almost the instant it goes by the throttle butterflies. Install the hold down nuts and snug down progressively in a “crisscross” pattern (60-80 in. The problem is running rich. I had to do 2 jet changes and 1 power valve to get it running perfectly. Video about some modifications I'm planning to do on my truck. The last carb I bought for a 331 stroker with afr comp port 185's, vic jr intake, and ed curtis custom cam was a 750 annular quickfuel. HOLLEY Performance Carburetor 670CFM Street Avenger P/N - 0-80670. Your current carb is oversized unless you are running a stroker motor and not just a hotter camshaft. I have a street avenger 670 on my 355 sbc. The Holley 4150 series is nearly infinitely adjustable anyway, so no worries. My car is running rich. #70 mains 6. Holley's website says not for street trucks or towing. C3 Tech/Performance - holley avenger 670/running rich - Hey guys, This is first holley carb I've ever owned and it's little puzzling than qjet i used to tune with Lars instruction. Holley Street HP carb too rich at idle. secondary and pulled my hair out tuning it, in the end it turned out the secondaries were open too. The first two stages of the Pure Street package focused on improving engine power by adding a 670-cfm Holley Street Avenger carburetor, Weiand Action-Plus intake, a Lunati camshaft, an Annihilator. I would have to change plugs to get it to run again. avenger 770 running rich overall. Holley Truck Avenger General FSJ Tech. He drives his around on the street, does some offroading (some sand, some hard pack), and other than it running really rich because he has not learned to tune it yet, it seems fine. Avenger Warranty. running stinky rich, fuel mixture screws don't seem to make a difference, the idle screws dont really change the vacumm reading much. Please help, walk me through some tests or steps or something, i'm lost. I have also read that a 670SA is more like a 600. My GM Performance HO Deluxe 350 came with a 600cfm Holley setup from the factory. conversely, if the engine is running a little rich at the same point, and the accelerator pump squirter are smallish (i. I am experiencing a BIG. I recently rebuilt the carb. Question: I have a 327 sbc Edelbrock tunnel ram carb. The Holley 4150 series is nearly infinitely adjustable anyway, so no worries. List 81670. They click well with manual transmission. 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. C3 Tech/Performance - holley avenger 670/running rich - Hey guys, This is first holley carb I've ever owned and it's little puzzling than qjet i used to tune with Lars instruction. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. My Street Avenger 670 (80670) is a little different. 040" over) with mild RV type camshaft. 55 Limited Slip Detroit TrueTrac. a dp will use more fuel than a vac sec and be a bit slower to bring in the secondaries ,even with a light spring. This means several things: They work better with lighter vehicles. This will get you into the ballpark; final float adjustment is made on a running engine. Most street Holley carburetors position the manifold vacuum port in this location (arrow) on the carburetor mounting base. A 383 is a stroked engine so it draws more cfm right off the git-go, probably had a cam in this 383 as well which brings the cfms up even more, so if you put this 670 from a built 383 onto a stock 360 then it would be a no brainer that it's running rich. Starts fine but idle mixture adjustment and transition from idle is not good. *****Please read below MORE***** This add is for Holley 670 Street Avenger carburettor. HLY-0-80770. 5 Horsepower Tecumseh Engine - Model OVRM120 - Small Frame - Rotary Lawn Mower Application 8. would a power valve thats to high make it run to rich at idle?. If I start it up it is real rich and blackens the plugs at idle and higher rpm. Holley's website says not for street trucks or towing. It is a 670 cfm. A practitioner river edge, once school: else calendar west kelowna weather hourly plaubel makina 670 price game king kong pc gta iv drivers nvidia el torito monterey taco tuesday top 100 world cup songs inglot. I have had the best luck with that combo. Avenger Warranty. The street avenger looks great, is easy to install and fired right up with some minor adjustment to the idle adjustment screw and the electric choke. Rich in SoCal. Mounted on a mildly pumped up FE390ci engine sitting in my 65 Galaxie. Of course changing one thing always affects other things. Holley dp's, Holley vs's, edelbrocks, carter's, demon's, quadrajet's, and autolite's. I got the 470 Truck Avenger for this 304. Jim, I have the same issue with a 355SBC, Edelbrock dual plane intake and a Holley 670 Street Avenger carb. The Holley Renew Kit’s instructions provide recommended clearance dimensions, based on the specific carb model. I recently rebuilt the carb. Carburetor Numerical Listing for Part #0-80670. 030 over, Holley 670 Street Avenger, TH350, Stock heads, Edelbrock Performer. Lower gears help you get the best of the carb. Add in your automatic transmission, and you need to be certain your motor is pulling enough vacuum to support both the AOD and the carb. With the size of cam your running it should be idling close to 1000 rpm. Mallory distributor, MSD wires, Accel header plugs & Holley 670 Truck avenger carb are all new. In reading my carb manual I saw the section that recommended switching the secondary diaphragm spring from the stock (silver) one to the yellow spring to allow the secondaries to open earlier. Easy pull away from stop and light throttle application to maintain a 50kmh (30mph) cruise will cause a stumble, or hesitation. It gradually declines & theres a noticeable smell of gas from the exhaust. Avenger Warranty. The only greatest problem I seem have is at throttle tip in. Would this modification help with a hard hot start? I have a sbc 350 with a long duration cam and a holley street avenger 670. The Holley 670 Street Avenger is a very good performance carb and from what you describe it sounds like a good match to your. 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. non-factor) then go high on the power valve. Summit Racing Verified Purchase. I left it like that but have wondered if I should change to an older lower housing. On the accelerator pump, there should be. Find many great new & used options and get the best deals for Holley 0-80770 770 CFM Street Avenger Carb Electric Choke Vacuum Second 4150 at the best online prices at eBay! Free shipping for many products!. At WOT it is running rich (around 10-12) too. I recently rebuilt the carb. These are a mild perfomance carb that gives good economy and driveability. 015" clearance between the pump lever and the actuator screw at idle. I do have a 670 Street Avenger sitting in the shelf but last time i put i on there it didn't run any better and had a lot less power in the upper rpm range. The car runs but I have black smoke coming out of the exhaust and I keep fouling my spark plugs. Holley 80670, Street Avenger 670 CFM. Also, a number of pump housings and plastic actuator cams are available to tailor the pump shot. my 1981 vette has a radical flat tappet cam ( i mean it sounds like harley), 200 heads, high rise manifold. Turning this adjustment screw clockwise (in) reduces the. This model of carburetor has the square bore flange bolt pattern. Hesitation just off idle starts around 1200-1600 rpms. 040" over) with mild RV type camshaft. I have to give it gas to get it warm. I came up on a sweet deal for a new Holley 670 Street Avenger that I couldnt pass up. 06-11-12 07:04 AM - Post# 2235751 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. the holley's with there dead spots and off idle problems are notorious, I used to run holly's but I either run a carter afb a edelbrock or the fitech fuel injection or sniper but never a Holley again i dont know how your holley is set up but you need total adv at 36 now the carb did you pull plugs and check the burn I would bet its rich I would drop 2 jet sizes use a less aggressive pump cam. '69 383 RoadRunner '07 3. HLY-0-80770. Search: Holley 770 Running Rich. It does have stock jets though. vacuum at idle is about 8. Subject: 670 Street Avenger Dear Sirs, I have a Holley 670 Street Avenger Carb (P/N# 0-80670) that was loaned to me for the purpose of making and evaluation. I have an older model 670 Street Avenger on a 350 SBC. Comes with fuel line and fuel pressure gauge. 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. I have also read that a 670SA is more like a 600. Probably en equal amount running Edelbrock 600s, Holley 570SA, and Holley 600s lol. The carburetor came with. It does have stock jets though. I have been running it for about 3 years without much adjustment. avenger 770 running rich overall. Remove the spark plug(s) from the engine. Holley 670 Street Avenger Carb Edelbrock mechanical fuel pump Pertronix Flame Thrower Distributor (either Ignitor II or III) Idle set around 800 rpm Initial advance set at 10 deg BTDC T5 transmission I'm out of ideas. 750 mechanical DP, no choke from ProSystems. My car is running rich. The Holley Renew Kit’s instructions provide recommended clearance dimensions, based on the specific carb model. First was Holley 950 Ultra ( in reality they were 830. Question: I have a 327 sbc Edelbrock tunnel ram carb. I had to do 2 jet changes and 1 power valve to get it running perfectly. Discussion in think it might work well. I too had the bog/ sputter but got it to run real well with a simple pump squirter change: Secondary spring is changed to second lightest (short yellow) Pump squirter: #32 jets as out of the box 72/79 i think Steady 15” vac at idle. Timing is somewhere around 36/38 full in and 16/18 initial. It is a 670 cfm. Current problem is that cylinders #1, #7, #2 & #4 are horribly rich. Avenger Warranty. I also talk about the function of the Holl. Of course changing one thing always affects other things. secondary and pulled my hair out tuning it, in the end it turned out the secondaries were open too. It does have stock jets though. its seems the 670 might be a bit much for my 305. I have a Holley 670 Street Avenger Carburetor that runs great but when I shut it off it leaks gas from the vacuum secondary diaphragm rod on the passenger side of the. I got it 7 years ago. Video about some modifications I'm planning to do on my truck. Feb 20, 2018 #26. The 650 holley as you know can be recalibrated so not too rich for street use. i was using the edelbrock performer before and had some issues with stalling but it was also running extremely rich. I was running a 670 street avenger on my 355, i also have an AEM wideband A/F in the cab. Add in your automatic transmission, and you need to be certain your motor is pulling enough vacuum to support both the AOD and the carb. I had a Holley 670 Street Avenger on my 347 for a while, it seemed fine but I wanted to step up since I do race it several times a year so I went to a mechanical secondary mighty demon, it was a pain to get tuned but once it was in it was great. The Holley Renew Kit’s instructions provide recommended clearance dimensions, based on the specific carb model. '69 383 RoadRunner '07 3. I have read that it is a bigger carb too but see a lot of people running 650 double pumpers or 670SA. 0 Holley Sniper EFI Sheet Metal Intake Manifold. my 1981 vette has a radical flat tappet cam ( i mean it sounds like harley), 200 heads, high rise manifold. vacuum at idle is about 8. Your current carb is oversized unless you are running a stroker motor and not just a hotter camshaft. Holley street avenger running too rich. C3 Tech/Performance - holley avenger 670/running rich - Hey guys, This is first holley carb I've ever owned and it's little puzzling than qjet i used to tune with Lars instruction. Welp, I got sick of the Eddel 1406, and the 2100's I have ran and figure I would give carburators one last chance. I have an older model 670 Street Avenger on a 350 SBC. I have ran many different carbs over the past 30+ years. I have a street avenger 670 on my 355 sbc. My car is running rich. My SBC 406 has a Holley 83670 - 670 cfm Street Avenger aluminum 4-bbl carburetor with vacuum secondaries and electric choke which I purchased and installed a little over one year ago. The Holley 670 Street Avenger is a nice match for your engine. It was rich at idle,black smoke,and at times it would be rich enough that it would not start. vacuum at idle is about 8. Street Avenger - Rich Problem. Typically not needed on street. My car is running rich. With the size of cam your running it should be idling close to 1000 rpm. 55 Limited Slip Detroit TrueTrac. Discussion in think it might work well. It is a 670 cfm. Turning this adjustment screw clockwise (in) reduces the. I've also run a 670 vac Street Avenger too small but ran well at the lower RPM range, then a 780 vac Street Avenger this ran well but didn't pull like the 750 DP. Locate the two air/fuel mixture screws on the metering blocks. On your 383 the stock jet size would be the leanest you can get. A very important benefit of Edelbrock’s 1406 carb is that it’s better at cold starting. This carburetor is used has maybe 50 miles on it, I ended up needing a bigger carburetor. I do have a 670 Street Avenger sitting in the shelf but last time i put i on there it didn't run any better and had a lot less power in the upper rpm range. The 770 Street Avenger is a better carb than those and is definitely NOT too big for a 460. I'm not a holly expert,but I had the same problem with a 770 street avenger on a 385 fast burn crate engine. Avenger Warranty. Holley 670 truck avenger Carb. Have adjusted the float level, the idle mixture settlings, the accel pump adjustments and tried different cams, no real change. A 383 is a stroked engine so it draws more cfm right off the git-go, probably had a cam in this 383 as well which brings the cfms up even more, so if you put this 670 from a built 383 onto a stock 360 then it would be a no brainer that it's running rich. The "body" of the carburetor is the large, square-shaped center section of the carburetor. The 650 holley as you know can be recalibrated so not too rich for street use. Add in your automatic transmission, and you need to be certain your motor is pulling enough vacuum to support both the AOD and the carb. Holley street avenger running too rich. Plan on upgrading my stock 1975 Nova SS's 350 two barrel to a four barrel setup. I have a street avenger 670 on my 355 sbc. i dropped the jets one size to get the best A/F without going to lean. Probably too big, I know. 750 mechanical DP, no choke from ProSystems. Remove the plug and attach the vacuum gauge here. The problem is running rich. On your 383 the stock jet size would be the leanest you can get. Anybody have a similar setup or a better setup before I finish ordering parts. C3 Tech/Performance - holley avenger 670/running rich - Hey guys, This is first holley carb I've ever owned and it's little puzzling than qjet i used to tune with Lars instruction. HLY-0-80770. Mounted on a mildly pumped up FE390ci engine sitting in my 65 Galaxie. At WOT it is running rich (around 10-12) too. Please help, walk me through some tests or steps or something, i'm lost. Once the motor is hot and is turned off it sometimes starts at bump of a key and other times it doesn't want to start and acts like its flooding. All those cylinders are on the driver's side plane, so something is causing excess fuel to dump on that side. vacuum at idle is about 8. The 650 holley as you know can be recalibrated so not too rich for street use. 2) Fix cause of flooding. holley street avenger issues Discussion in 'Engine Topic' started by mountaindewguy, Mar 15, 2012. I'm not a holly expert,but I had the same problem with a 770 street avenger on a 385 fast burn crate engine. Took the 600 Holley off, and dropped the Street Avenger on. I have a few at my disposal should I want to. Repeat untill engine 'hunts' under load and then go up one size. Current problem is that cylinders #1, #7, #2 & #4 are horribly rich. My car is running rich. A 383 is a stroked engine so it draws more cfm right off the git-go, probably had a cam in this 383 as well which brings the cfms up even more, so if you put this 670 from a built 383 onto a stock 360 then it would be a no brainer that it's running rich. The 770 Street Avenger is a better carb than those and is definitely NOT too big for a 460. The motor is mostly stock, with just an Eddel Intake. always ran very rich) , then a ProSystem 4150 1000cfm that I had built for my engine and a QFT 950. Holley street avenger running too rich. *****Please read below MORE***** This add is for Holley 670 Street Avenger carburettor. I have a street avenger 670 on my 355 sbc. Subject: 670 Street Avenger Dear Sirs, I have a Holley 670 Street Avenger Carb (P/N# 0-80670) that was loaned to me for the purpose of making and evaluation. He drives his around on the street, does some offroading (some sand, some hard pack), and other than it running really rich because he has not learned to tune it yet, it seems fine. Took the 600 Holley off, and dropped the Street Avenger on. Have adjusted the float level, the idle mixture settlings, the accel pump adjustments and tried different cams, no real change. The Holley 670 Street Avenger is a nice match for your engine. Discussion in 'Technical' started by scooper77515, Feb 24, 2012. Please help, walk me through some tests or steps or something, i'm lost. 15 Answers. Probably en equal amount running Edelbrock 600s, Holley 570SA, and Holley 600s lol. Carburetor Numerical Listing for Part #0-80670. Beginning to think its the dizzy. My car is running rich. I have to give it gas to get it warm. Unlike Holley parts, Edelbrock carbs come with mechanical secondaries. Avenger Warranty. Holley 670 truck avenger Carb. my 1981 vette has a radical flat tappet cam ( i mean it sounds like harley), 200 heads, high rise manifold. Holley 670 Street Avenger Bored. clay smith cam 290h. Mustangs Unlimited is built on customer service, spirit and pride. This means several things: They work better with lighter vehicles. my 1981 vette has a radical flat tappet cam ( i mean it sounds like harley), 200 heads, high rise manifold. It does have stock jets though. My car is running rich. 70 main jets t. C3 Tech/Performance - holley avenger 670/running rich - Hey guys, This is first holley carb I've ever owned and it's little puzzling than qjet i used to tune with Lars instruction. It was running fine right out of the box except for being a bit rich. running stinky rich, fuel mixture screws don't seem to make a difference, the idle screws dont really change the vacumm reading much. The Holley 670 Street Avenger is a very good performance carb and from what you describe it sounds like a good match to your engine. Avenger Warranty. Summit Racing Verified Purchase. I've noticed when it's cold (below 35*) & rainy the engine will not stay at fast idle for long. A 780 Holley was OEM on HP396s and even on the Z-28 302. Save Share. I was running a 670 street avenger on my 355, i also have an AEM wideband A/F in the cab. My GM Performance HO Deluxe 350 came with a 600cfm Holley setup from the factory.