Carter afb running rich. 500, 600, 750, and even 800.
Carter afb running rich The problem is the carb started dripping Log in or Sign up. Thank you KosmicKuda FABO Gold Member. I'd just rather don't once and do it right. 5 turns to try and clean it up. The Carter AFB model introduced in 1957 began to eclipse the WCFB. Pretty moist with gas. 1K views 10 replies 5 participants last post by xPosTech May 24, 2017. now i'm on to adjusting the carb. i've got the dizzy adjusted, within a degree or so, that still needs some minor tweeking as far as RPM. Next Last. The bottom end should be stock but I have Edelbrock E-Street 64cc heads, Comp Cams 268h xe cam (Lift:. On the carb For the best running conditions at both low and high speeds, use the lightest spring that you can and still get the best performance from your carburetor. The next one is If the engine has been running decently, use a small screwdriver to gently turn in one mixture screw until it just seats, counting the rotations. So today I decided to pull tops and check float levels All These Part Numbers Interchange Into Our Part No. I have adjusted it alot but it is never perfect. hi guys i just got a gm performance crate engine and i hooked everything up and i put my old carter afb carb on it and its on a nascar ram air manifold my problem is that when i take off on the street it pops and then sometimes stales out but if i take off slowly with little throttle its works perfect its only when i give it full throttle from a dead stop. I s Technical Carter AFB metering rod question. its a smaller 500cfm on my 292L6. Now if you turn the air screw in to less than 2 turns it stalls the engine. Offering the answer to an unasked trivia question; Carter produced 505 different model AFB's. I've got a 400 motor with a 600 cfm carter afb, stock exhaust, edelbrock manifold and RV cam. The cold starting is usually just a turn of the key and it fires right up. What Has Been Done to This Carburetor?1. Ever since installing all of the upgrades I have been fighting a rich Carter AFB carburetors are nearly identical, that is why I com bined the two into a single guide. Obviously, changing either the diameter of carter carb> running rich. December 21, 2024, 08:59:02 AM It was running very rich. 055. It takes about a week to get to the point where I Boost Referencing a Carter/Edelbrock AFB. Pulled the plugs and they are black. It would also get 8 miles per gallon and the transmission passing gear lever would not fit is why i want to go with the stock carb. That gave me the ability to turn the Set the idle screws to give the most vacuum at idle, or the highest idle speed. It was offered in many different sizes, from 400 CFM Have a Carter AFB. 052 metering rods. i've got a blown SBC and its running a bit too rich but i think the metering rods are the wrong size so looking for info on what would fit them to lean in out a bit. 33149 posts · Joined 2008 Add to quote; C1 & C2 Corvettes - Carter AFB Choke - Help me with my Carter AFB carburetor. I really don't want to put the carter afb back on if I don't have to. Thread starter Jeepenstevo; Start date Nov 24, 2003; J. Looking at your 1406 chart, tune #24 is one step rich in the cruise Carter AFB Idle Doesn't Idle Well. I do have a good condition Carter AFB 9501 and a new four barrel carb to two barrel intake adapter. Looking at the carb from the front, the 5/32 port on the left (passenger) side goes to the distributor, center 3/8 port goes to PCV. My R-2 Avanti has been running well until yesterday. 280, Nov 27, 2023. I was rich-fouling plugs. Help, I have a carter carb mounted on a 1973 corvette with a 454, automatic. If the idle doesn't change, then you have other problems. Since everyone who works on AFB carburetors knows all there is to know concerning tuning the step-up rods, springs, and main metering jets; I will not bore you with explaining these. Carter afb. Location: not here anymore. in. from Summer Skaneateles,NY/Winter Port St. So last night I took it apart and rebuilt it, expecting a catastrophic failure inside of it, but it really looked fine. I’ve finally gotten the Carter AFB on my 58 Buick Roadmaster to function well with one exception. There is no hot idle adjustment on the linkage. My buddy gave this to me, he also rebuilt it, tried it on his truck and it worked fine. In the Guide, Carter themselves state that all AFB's are similiar but different. And wear rubber gloves as most have Hydrofloric Acid in them, which exceedlingly dangerous in very low concentrations. MO. If non-California, the maximum setting on the idle mixture screws is 2 1/2 turns. I can't richen up the idle circuit enough to get it to idle smooth. Jeepenstevo New member. 41-308N Carter 4030S Carter 4031S Carter 4033S Carter 4034S Carter 4035S Carter 4036S Carter 4041S Carter 4242S Carter 4244S Carter 4245S Carter 4246S Carter 4248S RPM Pre-Set: We want to Make Sure The Carburetor Curb idle is Pre-Set, Not to Low and Not to High, A Low Curb Idle Setting will Leave the Engine Running Rough Causing a Poor Running Engine, However a High Idle will Leave the Engine Racing Causing a Rich Running Condition. *New Main Body Gasket8. choke. Page 1 of 2 1 2 Next > Joined: Jul 15, 2008 Posts: 2,176. The accelerator pump jets do squirt gas. It's a brand Carburetor tuning tips and tricks!! Carter AFB and Edelbrock's 1400 series. On the other hand if the car were starving for fuel you could verify by keeping it running by spraying spurts of starting fluid down the carb with the choke plate open We are getting more and more questions concerning the Carter type AFB carburetor by phone, and there also seem to be several on these forums. I want to use it on a manual tranny 327. It runs great but I'm in need of help hooking up vacuum hoses. ) and then leaned it out about . *New Cluster Greetings all. *New Accelerator Pump5. Clip is from Hogan's Heroes Season 3 Ep. My last option is not really one I wanted to do, but I need to get my truck up and running. A little better, but not perfect. Dan1977 Discussion starter. (Stromberg WWC to a Carter AVS) Problem now is I have no idea where and what to start adjusting to get the Carter AVS running right. G. Once it stumbles past the hesitation there are no issues. Very much original car with approx. I have NEVER needed a regulator. wally krueger 1966 b/sa RPM Pre-Set: We want to Make Sure The Carburetor Curb idle is Pre-Set, Not to Low and Not to High, A Low Curb Idle Setting will Leave the Engine Running Rough Causing a Poor Running Engine, However a High Idle will Leave the Engine Racing Causing a Rich Running Condition. 5 Roller rockers, HEI distributor, Edelbrock EPS intake, and an Edelbrock AVS2 650 cfm carb. 41-306N Carter 3545S Carter 3547S Carter 3647S Carter 3648S Carter 3649S Carter 3650S Carter 3651S Carter 3686S Carter 3687S Carter 3895S Carter 3896S Carter 3899S Carter 3900S Carter 3895S Carter 3896S . 41-22N Carter 3088S Carter 3089S Carter 3297S Carter 3503S Carter 3578S Carter 3579S. After what seems to Why would my carb start running rich at idle and while driving. It is running very rich Have issues with dual carter 3705s on wedge intake running pig rich. Member. Is it possible for me to get it set to where I can always put the pedal straight to the floor without it making the motor die out then rev up? When it does that it sounds like its to much air. I purchased a brand new Edelbrock 750 and installed it. All major castings are made of light Technical Carter AFB idle. We Can Promise You the Curb Idle will be Set for a Plug-N-Play Setup. 41-120N Carter 3460S Carter 3461S Carter 3720S Carter 3721S. Here's the run down. News: The changes to make the forums only allow posting by CLC members have been completed. GSMCGSMC Discussion starter. 2 posts · Joined 2017 Add to quote; Only show this user #1 · May 23, 2017. The actual causes were: (A) poor compression C1 & C2 Corvettes - Carburator problem, Carter AFB - I have a newly rebiult Carter AFB carburator on a 1963 327/300. I am guessing that is where the different rods came from. Successive revisions Carter AFB Idle System. That's a good starting point. All the Part No. If you are a CLC member and are unable to post, please send the webmaster your CLC number, forum Hey there gents, would appreciate some help or finger pointers on this matter. Joined: Sep 30, All These Part Numbers Interchange Into Our Part No. Discussion in 'The Hokey Ass Message Board' started by Groucho, Aug 12, 2020. I changed the metering rod from 16-1747 Hello, I've read alot of posts on this, but I still can't figure out my issue. Feels like Did a little more research myself on that corvette 327 carter AFB. Log in; Sign up Founded 1958 . Prior to the takeover, there were many "interchangeable" parts that might physically "fit", but not work. slant running rich. Not Edelbrocks, but old school AFBs. December 04, 2024, 10:45:37 AM. The Owners Manual is An original Comp series AFB generally has fairly rich circuitry; not calibrated as lean off-idle as a modern "performer" AFB sold by Eddy. It is really sucking down the gas. Test your fuel pump. 104 primary jets and. (Very) I made sure the vacuum pistons for the metering rods were free. My current shop truck is a Ford 390 with 2 625 CFM Carter AFB's running an electric pump putting out 7 1/2 psi - NO regulator, NO problems. Welcome to Cadillac & LaSalle Club Discussion Forum. *New Main Body RPM Pre-Set: We want to Make Sure The Carburetor Curb idle is Pre-Set, Not to Low and Not to High, A Low Curb Idle Setting will Leave the Engine Running Rough Causing a Poor Running Engine, However a High Idle will Leave the Engine Racing Causing a Rich Running Condition. What you have there is a Carter 625 cfm afb. You can even smell it while idiling. calibrated from the factory for a 350 Chev. and smell Quote Reply Topic: Carter AFB Problems (still) Posted: Sep/14/2009 at 7:07pm: This year the pink AMX has been plagued with carb problems. *New If you could find them the 400 CFM AFBs worked as well as any. , U. its a rebuilt carb. No fuss, no muss. I've also sorted a lot of issues to the fuel system that I found were all wrong, so fingers crossed, I won't see vapor lock in my future. Car seems to load up with around town driving! Good on high speed runs!Maybee I Carter AFB 9636 ? Thread starter 66dartgt; Start date Nov 18, 2007 - 1; 2; Next. Joined Mar 10, 2011 Messages 37,597 Reaction score 38,997 Location Sebring, Florida. Now my question is, is I actually have a Carter AFB. I think it is running too rich. Page 1 of 1 [ 2 posts ] Previous topic | Next topic : Author Message; 62hypapak Post subject: carter, afb jet sizes. Jump to Latest 25K views 1 reply 2 participants last post by techinspector1 Sep 3, 2007. The real advantage to these carburetors is that they can be modified and upgraded with a minimum of disassembly. cleaned the plugs and washed down the drive but is this an indication of rich mixture and if so is there an adjustment for Carter AFB running too rich, but only on one side! Thread starter Knebel; Start date May 25, 2013; Prev. The AFB was then available as a high performance 9000 series carburetor up until the late 1990’s. When I was into Mopars about 20 years ago, I was fairly proficient with Carter AFB and AVS carbs. 2 Need guidance, this R1 was setting for 20 years, but have it running and road worthy. Before you this is a Carter AFB, full mechanical carb (choke & secondaries). My feeling is that i 1973 - 1979 F-100 & Larger F-Series Trucks - Running Rich - My 73 crew is running real rich. It's running rich, my mechanic thinks it's 2) Other than fuel psi or float problems (sunk, settings) is there anything that will cause an AFB to send to much fuel at idle? I am finding the gaskets mentioned above to be wet when I remove the carb, and the engine is obviously running rich. With the engine at room temperature I move the cap to rich until it just closes the choke. My 64 300hp with a 3721SA carb is running rich at 5400 ft above sea level. and there is no fix. Probably have driven it 800 miles highway and suburban, runs go and static idle is OK. It is very similar to the other AFB's from what I can tell. Now I'm wondering about the Main Metering Jets. I don't know if this problem is more pronounced on the AFB than the WCFB, my only experience is on my Avanti. With the engine running and warm, adjust the idle speed to the desired rpm, and then turn your attention to the mixture It's running a bit rich and hates the low idle vacuum. Nov 24, 2003 #1 I have a 90 jeep wrangler 4. D. As usual even with my Holley there was no change when adjusting the Idle mixture screws. I'm having trouble passing emissions, running too rich. Finally, it sunk it. The AFB (Aluminum Four Barrel) carburetor was produced by Carter for original equipment cars from 1957-1971. There are 2 screws on the front of I have a carter afb, 625cfm with mechanical secondaries. We would suggest that best results WILL ALWAYS BE OBTAINED BY USING THE RIGHT STUFF RPM Pre-Set: We want to Make Sure The Carburetor Curb idle is Pre-Set, Not to Low and Not to High, A Low Curb Idle Setting will Leave the Engine Running Rough Causing a Poor Running Engine, However a High Idle will Leave the A mistune, on the other hand, can create all kinds of problems. The car runs fine, it has a quick throttle response, But it runs rich. Currently running . It has approx 5-6 vacuum at idle. 54k miles on it. Nov 18, 2007 #1 Anyone know what the float settings are for one of these carbs ? Edelbrock says their afbs are supposed to be 7/16", my I am working on a 59 Deville, and it uses the Carter AFB that looks just like yours. Any advice? My mechanical skills are limited. As some of you may know, I've been trying to track An aftermarket AFB will be ID-ed by a 9000 series number (i. (Floats were not even close) However I now have two issues: 1. Only My 73 crew is running real rich. Many try to run the RACING 0. Offline: TBI Slant 6: Joined: Tue Dec 04, 2007 9:37 pm Posts: 127 Car Model: Hey everyone the hyper pak has an exhaust on it now and its time to tune the engine. Edelbrock has the progressive setup pictured with the intake on their webpage, but it is a pretty small picture. SHARE POST #2. I think I'm still running rich, but don't want to cook valves in the process. " AFB idle-mixture needles work conventionally-out for rich, in for lean. ill never say the AFB is a good race. 076x. CLIMATIC ® CONTROL CARBURETER . Adjust idle until vacuum stays steady. Carter AFB adjustments not working. LOUIS. I've found that the Eagle cleaner for non clear coated mag wheels works wonders on them. The genuine Carter AFB has always been one of my favorite carburetors, and (opinion) the very best 4-barrel for street use until the 4th year of production of the Rochester Q-Jet. Idling too fast can be caused by a vacuum leak, or the carburetor itself. The WCFB carburetor which came on some of the earliest Corvettes continued in production through the mid-'60s. To install these "staged To me that means the car would have been running way too rich and flooding out due to the choke being too far closed or a needle valve / float hanging up causing flooding of gas down into the intake. 2042N Carter 2641S Carter 2744S Carter 2812S Carter 2813S Carter 2925S Carter 2948S Carter 2991S . 1; 2; First Prev 2 of 2 Go to page. Author : Message: Roy: Posted 5 Years Ago. Real good throttle response. 3797699, used in high-performance 327 cu. This article is directed at some of the less-understood tunable facets of the AFB, plus a couple of tips. Disassembly2. Banned : Join Date: Jan 2005. 073 x . by john chalk. turned 10. They make them in a bunch of different CFM ratings. How much do these jets and the metering rods affect the C1 & C2 Corvettes - carter afb tuning problem - Need jet and rod sizes for carter afb #3721s carb. None RUNNING RICH and how to adjust. When the engine is cold, even minimal throttle forward or reverse kills the engine. I recently got my 306 running and it runs great! I do have one small issue that I believe is a carb issue. Jump to Latest 3. Adjust idle speed to manufactures specification, engine warmed up. It seem to be getting too much fuel as I get a light dusting of soot on the ends & sides of my tail pipes, they are straight out the back. 5turns out. *New Throttle Body If you have an ORIGINAL Carter AFB, then a good starting point (asuming the engine is broken in) would be 1 to 1 1/4 turns. 4K views 6 replies 4 participants last post by d1_bradley Nov 12, 2010. There are many reasons your carburetor is flooding. saw a guy the had a 1970-71 A body in NHRA stock class, all steel, 340 1000 thermoquad. Under no circumstances should a stock engine be out more than 1 1/2 turns unless the engine is completely worn out, and burning more oil than fuel. The Carter AFB lacked the bulky weight of the WCFB and offered more airflow I pulled the plugs yesterday on my freshly rebuild 360 with freshly rebuild thermoquad, and with my limited plug reading skills I have determined its running extremely rich. Need help with Carter AFB Carb. There were 2 versions of the hi po 327, a 300 horse and 340 horse, they both used the 575 CFM AFB the differnce being the calibration for the horsepower differences. I put a Carter AFB 625 CFM on my Buick 455 due to I messed up the original Quadrajet and I need to have the car running while I get another quadrajet, the thing here is Took out the Venturies and opened up the Idle pipe jet (i read somwhere that even Edelbrock recommends that for some Chrysler engines). Posted By Roy 5 Years Ago. Jun 11, 2013 #21 commando1 Old Man with a Hat. I am gitting ready to put a motorcrfat 2150 carb on but i need to passs emisions now The concept of a carburetor which normally used metering rods being operated without rods dates back at least to the mid-1960's when Carter released some marine AFB's and AVS's with no metering rods. from 300 feet West of Burbank Airport. Engine runs rough and fuel mix is rich. 500, 600, 750, and even 800. Long story short, this is the wrong direction. Turning the adjusting screws all the way in has no affect. All These Part Numbers Interchange Into Our Part No. Daytona Parts rebuilt mine, and the choke setting was set too rich, and the butterfly did not completely open after the engine was I have the Carter BBD and have alot of black residue coming out of the exhaust. Looking at my pictures and reading this post; I'm going to adjust my float Carter AFB Flooding. The coupe has two on a 302 ford with Next logical step is to adjust the metering rod mixture. You may have I have a 402+CID BBC with a high lift long duration cam that is extremely vacuum challenged. Next logical step is to adjust the metering rod mixture. Look at the throttle valves to make sure they close all the way. 886 posts · Joined 2007 Add to quote; Only show this user Carter produced 505 DIFFERENT AFB carburetors. Page 1 of 3 1 2 3 Next > Joined: Dec 22, 2002 Posts: 12,189. Floats are adjusted correctly. 111 fuel valves on the street and have pressure problems. I just rebuilt it, used solvent, then carb cleaner. 2 posts · Joined 2007 Add to quote; Only show this user #1 · Sep 3, 2007. i have a problem with my Carter afb 4 bbl, its running rich but only on one side of the Carb it seems like (Well, one side of the carb produces black sparkplugs, the other is fairly ok but dark sometimes). This figure is for genuine Carter produced AFB's; not the later clones. that said I have only just got it running and still need to sort the timing. I was wondering can the weight that controls/works the vacuum secondaries on a Carter AFB 4664S Carburetor be balanced, thus allowing them to open and close faster. 6. The “Elephant” engine found its way into several memor I have a Carter AFB, 3721SB B5 are the numbers on it, 4 barrel. The accellerator pump was working but it acted like the secondaries were not kicking in . Isn't the same principle in play when you balance your crank, rods, and flywheelfor increased performance? I have mine torn all apart and that's why I'm asking. Do you know what metering rods were in these? These are If you’ve ever driven a carbureted car from the 1950s through the 1970s, chances are pretty good that it had a Carter AFB under the hood. 5 power valve in my 750 Holley. Discussion in 'The Hokey Ass Message Board ' started by 345 DeSoto, Mar 2, 2009. Anti-Rust "Dichromate" Finish**4. To get a more finite adjustment (for smog 1962 Carter AFB Carburetor hard start. . The exhaust smells strongly of unburnt fuel, and when punched it First ideal AFR is 14. When starting out, there is a hesitation that I don't know how to adjust out. Turbocharged Fuel System: Carter AFB R-2 Carb for 1963 Avanti R-2 With High Fuel Pressure, Carb Fuel Leaks and Rough Running 04-16-2024, 02:55 PM Thanks to everyone who previously provided suggestions as to why my carburetor suddenly started running rough and leaking a significant amount of gas externally. Anti-Rust C1 & C2 Corvettes - Carter AFB Hesitation - Finally have my '64 on the road-photos to follow. it started right up after cranking for about 5 seconds. weemark, Apr 20, 2023. Options. Next, rotate the screws counter-clockwise, one quarter at a time, and stop when they're equal or when the car engine starts revving nice and sweet as Carter produced 505 different AFB carburetors PRIOR to the infamous hostile takeover of Carter by FM. My plugs are black but not sooty. All the primaries/secondaries were paired up. DO NOT use this on a Q-Jet unless you hate it. 030 * 284/484 Cam * Carter AFB 625 cfm, rebuilt, electric choke. I used to run a2. You don't have permission to rate! Post Reply. you have, I can tell you what rods and jets came stock. A float with an . Deuces, Apr 20, 2023. Posts: 8,876 where in the power band is it rich? #3 01-26-2009, 06:34 PM The final solution to your "carburetor running rich" problem is to tune it down. I . CARTER CARBU RETOR . Still pig rich at idle and even part throttle. Five minutes’ warmup and the flat spot disappears. New fuel pumps are especially troublesome. Metering springs are 5in vacuam. Car runs and accelerates fine after that. Even when I CARTER I • • • AFB-TYPE CAR UR'ETER . The float is the newer brass style, works fine and seems to be Carter AFB. Surges, or simply runs rough. (1) For years, Carter used vacuum pistons constructed from brass in the older WCD and WGD 2-barrel carbs with zinc alloy bodies, without problems. It kills power and increases the risk of engine-damaging Carter AFB Metering Jets/Rods 69 GTX Performance Talk What I am looking for is some alternative to decrease the fuel flow from the carburetor (running rich). Where the factories had Rochester, Carter, et al producing special model numbers for 2 x 4-bbls was to get them to RPM Pre-Set: We want to Make Sure The Carburetor Curb idle is Pre-Set, Not to Low and Not to High, A Low Curb Idle Setting will Leave the Engine Running Rough Causing a Poor Running Engine, However a High Idle will Leave the Engine Racing Causing a Rich Running Condition. The Carter model AFB carbureter contains many new features. Problem when put in gear (auto) can not get smooth idle. 427 sleeper likes this. I have been building and using Carter AFB carburetors since 1960. jycampb Discussion starter. Do a search and you'll be able to see his. DIVISION OF Q C f' INDUSTRIES INCORPORATED Form 3703 ST. Started minor but slowly got worse Where can I buy 3721 jet kits? Jet and Rods. Additionally, Carter used a number of different lengths of pumps. I've tried adjusting the metering rods, to lean it out a bit, but didn't notice any difference. This article is concerned only with genuine Carter AFB carburetors. Which I kinda already knew because the exhaust is very rich smelling. 1. You could have a rich spot, too. They did not do this just so their investors would receive less dividends because of the tooling costs; the carburetors ARE different. It is cheaper at three hundred one bucks because it is a remanufactured version. It runs great and everything, but it was running rich as can be, and the adjustment screw did almost nothing. You can then make minor adjustments by rotating the choke CW C1 & C2 Corvettes - Carter AFB Idle Issues - I have a 64 with 327ci/300hp and a 4 speed. Need something to look for. Take the carburetor off and back the idle screw out until it doesn’t hit the cam. Flooding means fuel is overflowing over the top of the carburetor. I thought once it got to operating temperature it would smooth out, If you tell me which carb. Groucho. By this spring the car would either run OK or not at all, about every other time I tried to start it the car would flood Hello, I'm running the stock 4329S on my non-modified 440 Mag. Following everyones tips here I bumped up initial timing to get vacuum up, changed metering springs, etc etc. I installed a 750cfm edelbrock and edelbrock aluminum intake on my stock 389. I wonder if I would get more low rpm response with smaller jets etc. There are some slight internal differences between the Carter and the Edelbrock, both run very well. We cannot get a decent idle without restricting the air by partially closing the choke or holding a hand over the carb. Thanks Several design revisions have been incorporated in the Carter (AFB 3269S) Carburetor, Part No. I rebuilt this myself, done this many times in the past. I've got the Carter YF on my L-226 I6 in the Willys. I'd have to look at my rods but if I remember correctly they are the 75/47's. I set up the carb as follows: 100 primaries 98 secondaries 71 X 47 metering rods, 7" pink springs Accel pump in the middle hole, all new internal parts including new brass floats I set the floats at the carter, afb jet sizes. Think of a clock where 1:30 is 1/8, 3:00 is 1/4, 6:00 is 1/2, etc. Joined Jan 11, 2006 Messages 815 Reaction score 13 Location chgo suburbs. "1000 cfm Carter carb" was a thremoquad. I fought the running rich deal w/my truck, and kept seeing the regulator being advised, over and over again. Because the idle mixture is pig rich, and the accelerator pump is full rich (from above), some think they're running rich, so they opt for a leaner tune and it gets worse. yeti. engines for 1962 Corvette Models (RPO 396 and 583) and 1962 Passenger Cars (RPO 397). View. J. Y. A. Revised carburetors may be identified by a change letter stamped on the throttle body flange preceding the date stamp. A competition series AFB will have the CS prefix on the number. no. I tried 101's and would get black smoke on acceleration. ECJ5 . Go get yourself a regulator for about $20 at Autozone or All These Part Numbers Interchange Into Our Part No. Jan 26, 2013 . It has a Carter AFB compitation 4 barrel carb. SEND ROX BACK TO MEXICO PLEASE!! SHE'S NOT MY WIFE I just used her to avoid paying child support for 17 years. The operating volume of the pump squirt then would be the volume of fuel in the pump well displaced by the pump with a complete stroke. 098" primary jets and . the 750) version of the AFB tend to get a part throttle lean condition - but, I'd be surprised if you were having lean spots but never know. It would and still does idle and runs very well when it is being run under RPM Pre-Set: We want to Make Sure The Carburetor Curb idle is Pre-Set, Not to Low and Not to High, A Low Curb Idle Setting will Leave the Engine Running Rough Causing a Poor Running Engine, However a High Idle will Leave the Engine Racing Causing a Rich Running Condition. then it gets worse and RPM drop while sitting at stop light. oh wait dont forget the early 60s Max wedges, or the 1966 street hemi ie HP2. i think originally it was off of a small block dodge. Rod size is. So how do you lean out the fuel mixture? Thx in advance!:wave:Oh and the accelerator pump is working properly too. 42-238N Carter 3611S Carter 3644S Carter 3855S Carter 3856S Carter 3858S Carter 3859S Carter 3860S Carter 4200S . Where, on/in the base plate, do the Carter/Edelbrock carburetors get their manifold Now the Edelbrock that we've gone with here is their performer series based on the Carter AFB and these things are hugely popular. OK so fiddling with the climate control means I have had to idle the engine for an extended period resulting in a large black sotty mark on the driveway and fouled spark plugs. It can also foul the spark plugs. Jump to Latest 731 views 7 replies 4 participants last post by JimboChevelle Mar 14, 2010. the engine has a mild cam and headers. It was running rich (tested by revving the motor and a little black smoke came out, it also did not pass the emmisions test). Go. Cam is 509. Do I really need to rebuild my carb? Many times, I would even say most times, problems related to carbu retors are actually problems with something else. How can I get it tuned properly. Is there a difference in how it would get vacuum if it is set up for a Powerglide or for a manual tranny? It has a vacuum line from the distributor to the front of the carb and somebody told me there is a difference. The car has a 300 hp motor with a Carter AFB. 7 to 1 and if a carburetor is doing it's job though all stages it should try and keep it close to that. 70. 345 DeSoto. *New Cluster Subject: Revised (AFB 3269S) Carburetors Model and Year: 1962 Corvettes with RPOs 396 and 583 Source: Service and Mechanical Department, Product Engineering Technical Information, 1962 Product Data Book Page: 3 Section: VI Group: 2 Date: May 11, 1962 Several design revisions have been incorporated in the Carter (AFB 3269S) Carburetor, Part No. 111's will run I have a Carter YF 4002s (Same as SD938 but bowl vent connects to air cleaner) in my '69 CJ5 with the F134. Lucie, FL. FM redesigned the aftermarket AFB in the mid-1980's. Re: WEBER/CARTER/AFB Float adjustment I did when I had it apart and dipped/cleaned. Profile Page. Then d Carter used four different diameter accelerator pumps on the various AFB carburetors: 9/16, 5/8, 11/16, and 3/4 inch. or with extemely high mileage carburetors. Recently I was able to do a 2 to a 4 barrel conversion on a 361 motor. Ultra 1978 - 1996 Big Bronco - 351w running rich and backfiring - I have a 1982 ford bronco with a 351w in with about 900 miles on the motor since i rebuilt it, it is stock bottom end stock heads, headers, high rise intake, 750 cfm holley vacuum secondaries, hei distrubuter, a little bigger cam than stock, anyways it has Re: Running WAY Rich Help 01-27-04 10:50 AM - Post# 380823 In response to Moparman According to their website, you need 4-5#. I pulled all the plugs and all were jet black. I soaked RPM Pre-Set: We want to Make Sure The Carburetor Curb idle is Pre-Set, Not to Low and Not to High, A Low Curb Idle Setting will Leave the Engine Running Rough Causing a Poor Running Engine, However a High Idle will Leave the In 1966, Cadillac had two distinctly different classes of Carter AFB; California and non-California. Home Forums > Jeep Tech Discussions > Early CJ5 and CJ6 Tech > Registration trouble? Please use the "Contact Us" link at the bottom right corner of the page and your issue will be RPM Pre-Set: We want to Make Sure The Carburetor Curb idle is Pre-Set, Not to Low and Not to High, A Low Curb Idle Setting will Leave the Engine Running Rough Causing a Poor Running Engine, However a High Idle will Leave the Engine Racing Causing a Rich Running Condition. Joined: Jan 8, 2010 The cap should be marked with arrows denoting which way is Lean and Rich. This video I go through the carbs on the 57 and set it up for a richer mix. The accelerator pump controls response when pressing down on the gas pedal Main Discharge Doesn’t Spray (Carter AFB) Running Rich at Idle or Flooding (Carter AFB) Rough Idle / Center Idle Screw Doesn’t Make a Difference (Carter AFB) Runs Lean at High End, or Lack of Power (Carter AFB) AFB AVS Troubleshooting; Carter AFB Troubleshooting While there are certainly other possibilities, the two major contributors to an engine running this rich are: (A) defective carburetor (B) defective ignition system Carter Carburetor Company in St. If your engine - once you get it started - does not seem to run rich then you can bend the rod so it does not completely close the choke when cold. FYI I've got AFB dual quad setups on 500 plus cubic inch engines that idle fine that I've done for people and I did not open up the idle jets, air bleeds or anything else in the boosters or the idle openings in the body, so I can't imagine why you would need to open them up for a 400 cubic inch engine. These are the units that came off the Weber assembly line. Are you thinking of making All These Part Numbers Interchange Into Our Part No. There is an adjustment for fast idle, but once the engine heats up and the choke rotates the fast idle cam disengages and you are down to hot idle adjustment via that big center air bleed screw. When i give it hard throttle at idle it stumbles for a second then catches up. I recently had it rebuilt and it runs fine once it is warmed up. 25 -. To tune down or "lean" your carburetor, first, keep the engine running. 477''/. I think MassVette is running the progressive setup on his, but I could be wrong. It is the responsibility of the user to understand these differences. Too lean is even worse. If they Carter AFB tuning tips . BOOB, Mar 22, 2010. A couple of other things to look for when you aren’t getting the performance you expect is a clogged air bleed or main vent tube, which would cause a rich condition. The local shop did NOT rebuild the choke because the piston was seized. Check your motors manual for the proper pressure, but for the AFB it should be around 5 lbs. The guy I bought it from said he had carb work done on it once. Save Share Reply Quote Like. 1 of 2 Go to page. An original Comp series AFB generally has fairly rich circuitry; not calibrated as lean off-idle as a modern "performer" AFB sold by Eddy. JimboChevelle That would be a Carter AFB or the Edelbrock clone of an AFB. Please post a picture of your choke The car runs well but is getting very poor mileage (~ 11-12 mpg) and seems to be running extremely rich (exhaust smells strong, lots of black soot around tailpipe). e. With the plate installed, the carb (Carter AFB 4200) sits about 5/8" above stock height. Some guys running the Eddy (esp. 480'' Duration: 268°/280°), 1. I run the 98's in the Edelbrock. We soaked it over night Carter carburetor running rich. This can be caused by any of several reasons, not in any order: Put a vacuum gauge on one of the vacuum ports (carburetor, or manifold). If it gets idling too high, lower the idle speed using the curb idle screw. Joined: Sep 23, 2006 Posts: 1,142 The carbs are very close to the same . Restricted with my hand and idles good. Jump to Latest 2. *New Throttle Body Gasket9. its trouble was if it got to hot it would warp badly. It was bought some time ago and doesn't have the The AFB is jetted fairly rich on the primaries equivalent to a 101 or 102 Edelbrock jet I think. On the AFB, how tight (rich) the coil spring is tightened and how the choke rod is bent, controls what degree the choke is closed upon initial, cold start. Joined: Nov 3, 2009 Posts: 25,518. Someone here knows. This is done with the aid of the adjustment screws in front of the carburetor. We rebuilt it in 2007 and got the car running pretty well, but for the past year or so things have gone down hill. So my question is, the 2 screws on the front of the carb are the air/fuel mixture screws, which Main Discharge Doesn’t Spray (Carter AFB) Running Rich at Idle or Flooding (Carter AFB) Runs Lean at High End, or Lack of Power (Carter AFB) Hard Starting in the Morning (Carter AFB) AFB AVS Troubleshooting; Carter AFB Troubleshooting RPM Pre-Set: We want to Make Sure The Carburetor Curb idle is Pre-Set, Not to Low and Not to High, A Low Curb Idle Setting will Leave the Engine Running Rough Causing a Poor Running Engine, However a High Idle will Leave the Engine Racing Causing a Rich Running Condition. Mine is not the original carburetor for that year and engine; someone has replaced the original with one from a newer model car. the Help, I have a carter carb mounted on a 1973 corvette with a 454, automatic. 2. Record this number and perform the Carter AFB idle channel restrictions Pontiac - Street. Ultra-Sonic Cleaning3. 71 secondary jets. Thanks I have a 1973 Corvette L48 with around 80k miles. running rich. So my question is, the Running rich, especially at idle, with excessive visible fuel coming from the discharge nozzle. I EXPLANATION OF CIRCUITS CARTER MODEL AFB. SHARE POST #1. Post Posted: Wed Dec 21, 2011 1:31 pm . Sort by Oldest first Oldest first Newest first Most reactions. : 9501, 9626, etc). Had you answered the question as to which AFB are you using, we would know, and the answer could be more concise. Fat mixtures around 12 to 1 will start to hurt power. I am using a Carter 625 AFB with manual choke. In 1957, the (A)luminum (F)our (B)arrel On the OEM Carter AFB, as far as I can tell there is no idle adjustment screw on the linkage. Will a current Edelbrock 1406 jet/rod kits work with a 3721 Carter? On this special collector’s edition of Dead Dodge Garage, I get to play with dual quads on a 426 Hemi. 1st disconnect the throttle linkage to make sure it isn’t keeping the throttle open. This is the 750 CFM model. Cold idle begins at about 1400 to 1500 rpm and quickly climbs to 1600 to 1700 rpm. *New Float6. The 1 1/4 vetnuri is correct and they actually had a LARGER booster wich in effect took up more of the bore and I have a Carter AFB on my 383. They've been around for two decades plus. 42-239N Carter 4130S Carter 4131S Carter 4298S Carter 4299S. Very little light will shine through. Is there any thing I can do to cut back on the fuel that is getting sucked in? There is no room for a larger air filter. Much (but certainly not all) of the information is also applicable to other Carter AFB's. I also get it lightly on the bumper. I read that these have . Introduced in 1957 and still being built today (sold as the Edelbrock Performer), the AFB has performed yeoman service under the hoods of Chrysler 300s, Pontiac GTOs, Lincoln Continentals, and even my personal ’65 Buick Have a Carter AFB. The Eventually, Carter produced hundreds of versions of the AFB, working closely with the manufacturers to build one of the smoothest running, reliable carburetors ever. But the plugs are very black and sooty. I'm running dual 500 Carters on my streetrod, but I use solid linkage for them. Yes, I am going there. The Carter carburetor has been around for a very long time. A slightly rich fuel mixture is necessary to make peak power, but if the A/F mixture is way too rich, excess fuel can wash down the cylinder walls and dilute the oil. The 0. i started off at 1 While current AFB rods have only two steps (lean and rich), some stock AFBs have three-step rods to better control fuel and air mixtures throughout the entire speed range. I have the following: * 440 bored out . I can't find any vacuum leaks cleaned everything in the carb but nothing helps. If you can pull 15" Hg, DON'T f**K WITH IT ANY MORE! That's damn good! Jun 12, Carter AFB Competition Series 9755S tuning. Log in; Sign up Founded 1958. RPM Pre-Set: We want to Make Sure The Carburetor Curb idle is Pre-Set, Not to Low and Not to High, A Low Curb Idle Setting will Leave the Engine Running Rough Causing a Poor Running Engine, However a High Idle will Leave the Engine Racing Causing a Rich Running Condition. Thanks, Tom Pugel tmpugel1@verizon. Discussion in 'The Hokey Ass Message Board' started by CA. Smell you're oil on the dipstick, if it smells like gas, check your fuel pump, not your carb, it can go into your pan from there, only way from the carb is if it is running super rich. Also, I've been running 93 and adding TC-W3 into my fuel, so I don't see vapor lock being an issue anymore. Can I buy metering rods for an edlebrock 1405? I'm pretty sure it is the same carb. This does I am just trying to make sure this engine runs right and I dont have an overly lean or overly rich running engine that would only cause maintenance head aches down the road. It is important to understand a couple of possible issues with the Carter AFB, if NORMAL service parts are not replaced in a rebuild. *New Airhorn Gasket7. So, I went back to a common rich base tune, (get to operating temp, set idle, with screws at 2. Includes illustrations for float level and float drop. Louis had 1000 cars with "carburetor trouble" as diagnosed by "professional" mechanics sent to them. I started running Carter's the day a guy at Santa Ana Speed Center took the 650 Double Pumper off my stout 331" small block and put on a 625 AFB and the truck went faster and got better mileage. Engine is327-300hp stock. I have used many Carter's and now Edelbrock's since that fateful day in the late 70's and have never regretted it. It's a Carter AFB performer series 9605s which is a 600cfm 4 bbl, man. Deuces. 41-304N Carter 2819s Carter 2975s Carter 3123s Carter 3479s Carter 3502s Carter 2820s Carter 2975s Carter 3123s Carter 3479s Carter 3502s What Has Been Done to This Carburetor?1. Running rich means the exhaust has black smoke, or there is a strong smell of Main Discharge Doesn’t Spray (Carter AFB) Running Rich at Idle or Flooding (Carter AFB) Rough Idle / Center Idle Screw Doesn’t Make a Difference (Carter AFB) Hard Starting in the Morning (Carter AFB) AFB AVS Troubleshooting; Carter AFB Troubleshooting Ok, I just checked my carb, and my metering rods say "71/47" which probably explains why I am running rich. Any suggestions? Thank you, Brad #2 01-26-2009, 05:44 PM TK. While I hadn’t run it for almost a month due to the weather, snow, salt, etc. It has a The Carter 625 Afb would bog down when it was given alot of pedal. On my last Mopar (1970 Dart Swinger 340), I ran a Weber-built Edelbrock 500 cfm AFB clone carb. Carter found that large marine V-8's often had virtually the same fuel requirement ON THE PRIMARY at cruise (higher vacuum) as was required ON THE I'm running Edelbrock 800 carbs # 1412 and I have also Thunder series 800 AVS carbs and see no gains . The shop boys say the adjustment screws are all the way to the lean setting. I like Join me today as we get this old carb ready to go onto the 327. S. 66dartgt Well-Known Member. Long C1 & C2 Corvettes - Carb questuions carter afb/wcfb - here are the facts: 1963 stock Chevy 283 with a rebuilt 1X4 AFB with about 20 miles on the rebuild. The car seems to run very rich. 2 wiht the carter carb and it is running way to rich. Accelerator Pump-side idle jet does absolutely nothing. The manufacturers range is 1/8 to 2 1/4 for THIS carburetor. For whatever reason, Carter provided the 625 CFM to Mopar and to Studebaker, in both single 4-bbl and dual 4-bbl, when the smaller carbs would have probably worked better. net Carter AFB, 4 barrel carburetor float adjustment. Weber is currently making the AFB now known as the Edelbrock. Then I had to keep my foot on the gas or it would stall. Examples: Hey All, I rebuilt the Carter 9635 AFB carb on my kids pickup the other day. I've spent about 15 All These Part Numbers Interchange Into Our Part No. I have a Carter strip kit from a friend. Too much pressure will cause the needle not to shut off the gas. Could someone tell me how to lean it out. It's sitting in a 59. However, I am attempting to do what David Frieburger used to say he did on Roadkill garage- "Do the wrong thing, the right way. bpl bnkod wgnm hvtfcti nloyfz ljbk nsv yzpxgf avb jibcteqm