edelbrock carburetor hesitation on accelerationedelbrock carburetor hesitation on acceleration

Thats what causes the bogging and poor throttle response. Terms of Service. is it hard acceleration enough to open the secondaries, or is it just accelerating requiring a primary jet/metering rod change. Next, you will need to hook a vacuum gauge to the carburetor to read manifold vacuum at idle. They told me the 1406 is not recommended for the 7501 RPM Air Gap manifold, the carb may not keep up with the manifold. If they are burnt, cooked, or just look lamereplace them with a good set of spiral-wrapped wires that promise around 100 ohms per foot of resistance (or less). When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I'd think you could go a little higher. The hole closest to the pivot point on the plunger lever is that setting. Home / Uncategorized / does edelbrock make a 2 barrel carburetor. Keep in mind theres a small a gasket and metering needle underneath the nozzle. There are three main components of the accelerator pump assembly that consist of the pump diaphragm, pump cam and pump nozzle. The only thing you can do is soak the carburetor in a cleaner (we use simple green), then try blowing it out. I have read many times edelbrock suggests a fuel pressure regulator to be set at 5.5 but I've also read between 5 and 9 is perfectly safe. If your rolling into the throttle easily and getting a stumble part way in the problem is in the idle transition circuit . Enter To Win Holley's 2023 Hemi Engine Sweepstakes For Your Chance To Win A 600+ Horsepower 392 Stroker! Also don't discount the discharge cover. Copyright 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. "Do you know how whipped an engine has to be to blow that loud? Eldon, Missouri 65026 . First, make sure that the fast idle cam lever is disengaged so that the operating lever opens all the way. My 1406 carb hesitates (a little) if I stab it to the floor below ~3500 rpm. Since 2003, Jeff has held various positions at Car Craft (including editor), has written books on small block Chevy performance, and even cultivated an impressive collection of 1965 and 1966 Chevelles. Finally a little follow-up. Initial is like 20, advance all in right at 3000 w 36 deg. There may be a check ball with a small check weight above it. The pump arm should move down a bit when the feeler gauge blade is inserted. Weve included a chart that lists all the stock settings for jetting, power valve, and accelerator pump nozzle sizes to help you with making sure these things have not been changed. Location. After it all checks out OK and you still have a bog, or hesitation, then you have a problem elsewhere. Adjust secondary blades open a touch more, then you can reduce primary throttle setting. Re: 1955 hesitates/stalls on acceleration after idling. What cfm fldo you recommend. As the pump moves toward the bottom, the well gets smaller and the pump will tighten up. Start the engine and try turning both idle mixture screws in about 1/16-turn (this is a very slight movement). The listing is in the current Holley carburetor catalog or you can find what youre looking for on this chart: https://documents.holley.com/techlibrary_carb_numerical_listing.pdf. Notify me of follow-up comments by email. Thanks so much. If your secondaries are opening . (Image/Holley). But occasional run on, I can deal with. I haven't make adjustments to it yet. Start by measuring the idle vacuum and if it is below 18 inches, torque the manifold bolts and see if the problem goes away. Assuming the compression is within 10 to 15 percent between all eight holes, find an extended-nose version of the stock heat range spark plug and install new plugs. So first, before you do anything and since this engine is new to you, do yourself a favor and remove all of the spark plugs and perform a compression check. JavaScript is disabled. Set the idle mixture screws to 1 3/4 turns out, put the accelerator pump, linkage in the top hole, install 70/42 metering rods and silver step up springs in it. But I still had a bog at about 1/4 to 1/2 throttle. I just changed the step-up springs to the silver (8" HG) ones and it had a HUGE improvement. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. . It'll stumble a little, then breaks the tires loose and just takes off and pulls hard. Options. But I was having problems on a hot start. Prior to that had the Carter which i simply couldn't get tuned properly. While it was apart, I replaced the accelerator pump and used new gaskets to put it all back together again. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! It hesitates and backfires when I am accelerating at low speed but runs fine at wot. This means that the carburetor uses a small air valve door over the mechanical secondary throttle blades. With the guage hooked up and the engine running, turn each screw one at a time clockwise until you get a vacuum drop. Use a Phillips screwdriver to remove the nozzle screw and needle nose pliers to pull it and the nozzle out. Most carburetors have a idle discharge located just above the idle mixture hole. . Motor pulls clean to 6K, haven't tried taking it higher. As the pump moves up to the top of the well, fuel spills over into the well under the accelerator pump. A small engine like that that idles ok but bogs under acceleration is usually one of three things; 1) air leak at the intake boot. The Carburetor Shop LLC. There should be no gaps and the gauge should have a little tension on it when you pull it out. Comp Cam -4 hydraulic flat tappet. 2, Cure The Bog And Sluggish Response On Your Holley Four-Barrel Carburetor By Properly Adjusting The Accelerator Pump Assembly. As it deteriorates and cracks, it will leak. Well without knowing the op's whole here goes. Hi Jeff, Im building a 57 150 Chevy, Im using a 90 5.7 Chevy dino at 348hp, using a M20 4sp 8.8 Ford rear with 3:30 gear looking at Holley. I used the .043 nozzle. 302 bog/hesitation. The dyno said that it only used 480 cfm. Warm the engine to operating temperature. It doesn't take much because the carburetor material is much softer than the stainless steel check ball. Most carburetors use a piston or diaphragm-type pump. William 3) Faulty Fuel System. Tune it with a wide band O2 sensor (Bosch 17014 $50 at autozone). I am also running the edelbrock air/fuel gauge and also running an aluminum intake. I have 2 edelbrock 600s on my hot rod and it runs like a raped ape. How to test the accelerator pump while on the bench. Start by increasing the fuel nozzle size up by three sizes. do koalas have poisonous claws. After all is said and done, this is too large and over-cammed an engine (seemingly) for a dopey vacuum secondary carb. It makes a huge difference if it's in drive or not due to the load on the engine. Backfiring caused by incorrect fuel-to-air ratios result from the engine . The distributor weights / springs are clean and tight. My temp has been 185-190 consistently at idle and on the road. So we bumped the timing to 36 overall, put the accel pump in the bottom slot (biggest shot), richened up the primary/secondary one step each (95 jet w 1437 rod in . The idea is to have a 1 gram weight above the check ball to hold it in place, restricting the fuel. You should be able to watch it on the tablet. See all 12 photos. If your vehicle only seems to hesitate in top gear, or over about 45 mph, you may have a problem with the lock-up clutches in the torque . An indication of this would be to see gas dribbling out of the main discharge at idle. Let us know what happens. Im surprised he forgot to mention the power valve. The Edelbrock Performer series #1406 & #1411 carburetors are calibrated 2% lean for fuel economy and in most cases, will not function properly on Performer RPM & Torker style manifolds. Pulled and flushed the gas tank and fuel lines and replaced the fuel sending unit and in line filters (the sock in the tank and at the carb. Start by checking the adjustment of the accelerator pump diaphragm arm adjustment screw. Increasing the idle jets in the metering block solves this issue. Jan 25, 2015. Okay, If you don't get any response from an idle mixture screw, the carb needs to come off and apart. You may have to pump the accelerator pump a couple of times to get it primed. PLEASE SEND HELP! Its a Edelbrock 1406 model. Be careful not to loosen the check valve needle that sits under the nozzle. Use something besides gasoline, which of course is explosive. No dice. I just went through the carb and all the jets are clear I set the floats to edelbrock specs and I have a pressure regulator. My base timing is at 10* now. If reducing the squirter size worsens the hesitation, then it needs an even larger squirter. Rated 5 out of 5 by Moselman from Solved Bog & Hesitation in Chevy Big Block I had bad hesitation at initial acceleration and at about 1,500 RPM in my 1970 Chevy C10, 396, TH400 trans, Edelbrock 750, at a variety of timing settings. Just install a heat insulator block between the carb and intake. Typically, heavier vehicles with low numbered axle ratios (like 3.23:1) will use a smaller nozzle. Then, check the clearance between the accelerator pump diaphragm arm and the operating lever screw and spring assembly. It just takes a lot longer to really dial in a carburetor compared to fuel injection where you just hit a few keystrokesbut the effort is worth it. Was running beautifully untilit stuck at 3/4 throttle on the highway. Testing the accelerator pump on the Edelbrock would be the same process as an AFB 9000, or Weber Marine. I have much the same engine configuration in my T-Bucket. The Fora platform includes forum software by XenForo. Terrible stumble off the hit . Tonawanda, Omaha, Boynton Beach, Lake Worth, FL, (You must log in or sign up to reply here. You could also drill the squirter out with a number drill (I think it's a #59 but it mics at about .032). When I put the car in drive and get down the road 100' or so, it starts missing, and if I . I've tried messing with the accel pump shot but going up or . Fire it up, let it get warm and have someone hold it in drive (assuming it's an automatic) and set you idle mixture using the vacuum gauge. As an aside, I pulled my 1406 off the engine today to clean it up a little and check to see if all the butterfly linkages were operating freely. Posted: Jun 2, 2020. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. Each of the four . See if that makes an improvement. air fuel meter will help determine these easily. We just need to run you through eliminating the problem area. Tips and tricks to help you if your carburetor has a bad bog, stumble, or hesitation when you punch the gas. bikingplumber. Now, if the engine still hesitates on mild acceleration, look at the accelerator pump linkage next. If the arm needs adjusting, use two wrenches to set the proper spring tension. Fuel Delivery, How-To and Tech Tips, News, Tech, Tech Tips New edelbrock carb bogs & surges at wot. Happens in all gears at all RPMs. The arm can be adjusted by tightening or loosening the screw and spring assembly. This will help lubricate the well. The most common causes for backfiring during acceleration include an incorrect fuel-to-air ratio, a faulty ignition and bad wiring. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Be patient, you'll get through it. Edelbrock 1468 . Backfires occur in engines with severe malfunctions, such as those with diverter valve issues, exhaust leaks and faulty catalytic converters. It will eventually expand to fit. Engine is a 440 with 1.6 exhaust valve,torker intake,headers and a mild . and close the primaries back to where they need to be.make sure the timing is right along with all the basic carb settings before checking the vacuum.it will probably drive ya nuts til you get it calmed down but keep trying. Maybe ground on 'em or filed 'em? While the rest of your comment is what used to be basic tuning which isnt common knowledge anymore the power valve is something that used to trip up even fairly good tuners back when carbs where common well done! Thanks so much for the reply. 1970 - Time for New Sheet Metal and an RS Conversion Kit. Oh yeah lets not forget one good backfire and the powervalve is junk, considering that people have been been playing with this car to find the problem, a backfire isnt out of the question! Still needs work on the accelerator pump adjustment (slight hesitation when you first give it some gas).. Edelbrock carbs are just Carters, which are a lot like the Quadrajets. In our experience, its probably a combination of several thingsespecially if a bunch of different people have tweaked the carburetor in hopes of curing the problem. Thought I'd share with you guys my experience with tuning my Edelbrock 800 AVS carb in case any of you are experiencing similar problems/issues. So 1/2 the vac at idle would be the spring range.when i get home from work, im going over there and we will try it.. yes..the 1405 is mechanical choke and the 1406 is electric choke, http://www.edelbrock.com/automotive_new/mc/carbs_acc/performer.shtml, (You must log in or sign up to reply here. Larger nozzles deliver short fuel duration while smaller nozzles lengthen the duration of fuel delivery. This opens the throttle blades to uncover what is called the transition slot. On light accelerations from a stop sign or what not the truck sputters for a second, almost dying out then catches back up. They also left out the transition circuit. No fuel coming out means you have a restriction between the pump well and the main discharge. Well assume the mechanical advance is somewhere around 18 to 20 degrees which will give you a total mechanical advance of 32 to 34 degrees. Also when I hit the gas real fast to rev the motor it sputters really bad. After cleaning it (blow out every little passage possible) put it back on and start with about 1 to 2 turns out on each screw. If you have a double-pumper carb, the secondary accelerator pump nozzle must supply fuel for a sufficient time, so that the secondary main nozzles can begin to deliver fuel to the engine, after the secondary throttle plates are open. Good luck, burn rubber. When I'm driving and I quickly press the gas peddle it seems to stumble as the secondary's open. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. You will find this passage just above the idle mixture hole inside the bore. Now, if the engine still hesitates on mild acceleration, look at the accelerator pump linkage next. There is no way to fix it at that point. Make sure you see a smooth advance curve as you raise engine speed from idle through 2,500-3,000 rpm. Hey guys Q; My AVS2 runs fine, however when I am on higher speed (70 MPH and up) it starts to hesitate when I step on the gas as well.it just stops performing..what could the probleem be? I reset my timing, insulated some fuel line and it has been running great. Still have the same problem. JavaScript is disabled. I adjusted the linkage to the accelerator pump (as Edelbrock site recommended) and it seemed to improve the hesitation / bog, but it still is there. Also the floats in the carb were moving freely. You must check this with the vacuum advance disconnected. What would you suggest? document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); I agree to receive emails from RacingJunk.com. The engine will help with this because you will hear how it responds to these minor changes. Well, I am still running a carb plate and phenolic .5" spacer. Smith began writing for Car Craft magazine in 1979 and became editor in 1984. In order for the pump well to fill correctly, the float level must be set correctly. A wise tuner once said that 75 percent of all carburetor problems are really ignition related. Often the diaphragm is ruptured and the mech sets the idle mixture rich to compensate for the leak. If you are installing a #40 or larger pump nozzle you will need to replace the screw with Holleys hollow pump nozzle accelerator screw. Stock is the 5" HG springs. Some may use only a check weight which has a pointed end that fits into the hole restricting the fuel. Engine is fairly fresh, about 5000 miles since rebuild. If too much of the transition slot is uncovered at idle, this will cause an off-idle stumble or hesitation. There is a 4 hole wooden spacer under the carb now. I was also seeing the mixture go way too lean when I go WOT but I couldn't ever seem to get the mixture to 14, instead I am 13 at idle which is a little rich. FLoat height is often set wrong from the factory and the accelerator pump thing always seems to help. The distributor advance may not be working correctly. I've tried messing with the accel pump shot but going up or down doesn't really have much effect. what states require consummation of marriage; new milford ct police scanner; reply to opposition to motion to compel california; What happens is this. If you still have the hesitation, move to the air valve spring force. Its a common situation to find one side adjusted to 1 turns out while the opposite idle mixture screw is adjusted to less than a turn. Accelerator pump nozzles come in a variety of sizes. The air should go through to the pump well. Hello, I have kit #35770 installed on a 383 Stroker engine. Hesitation on hard acceleration. Some AFB's, or Weber Marine use a check ball and a spring. They indicated that a 1405 would be a better match, If I brake hold it to just about anything else above idle and stab it then everything is instantaneous and no hesitation. Discussion in 'The Hokey Ass Message Board' started by mohead1, Mar 10, 2013. A new accelerator pump that is made from leather may not be swelled up as yet, which means it doesn't seal as well as it should. Any part-throttle stab is smooth. ). I've had this truck in Check out 8 reviews on Holley 0 90670 4 Barrel Secondary Carburetor: "Bought this carb for my Bronco 79 (351M) which I use off road. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Weve seen this work very well. https://forums.edelbrock.com/filedat?photoid=42773, If this is your first visit, be sure to I don't seem too have any issues except the very occasional bog if leaving from a stop very very slow. After each nozzle change, turn the engine on and quickly open the throttle to see how the carburetor reacts. These tunin. The accelerator pump function, as mentioned . In addition to this lack of power, a vacuum leak can also cause the engine to idle roughly or even stall. The carburetor is a Holley 750 with vacuum secondary. The Edelbrock AVS2 carb was a great choice for your 383. Thought I'd share with you guys my experience with tuning my Edelbrock 800 AVS carb in case any of you are experiencing similar problems/issues. Your email address will not be published. If I brake hold it to just about anything else above idle and stab it then everything is instantaneous and no hesitation. Your email address will not be published. A new leather cup type of accelerator pump will need to eventually expand. does edelbrock make a 2 barrel carburetor 19 3407 . Carb: factory rods and jets, springs. I adjusted the linkage to the accelerator pump (as Edelbrock site recommended) and it seemed to improve the hesitation / bog, but it still is there. She stumbles and hesitates under normal acceleration. This will make the leather too spongy and will probably fail. I have an autolite 2100 that I got from Pony Carbs, put it on a 302 V8. This article leaves out a bunch of detail. Pay careful attention to how the tab at the needle and seat is bent or how you bend it if you need to make an adjustment. Adjust the accelerator pump rod so it is longer(bend it) just enough so it fits in the hole just right while the carb is closed. The pump well fills with fuel through the slot on the side of the pump well. I think it is hesitating on the transition to secondarys. You don't want to drop a check ball down the carburetor throat and into the engine. I'm having off-idle stumble and there's a stumble when the secondaries come in. If it is, it can cause all sorts of problems. Otherwise this will also cause the engine to bog. Once I put the linkage to the middle hole, it removed the off-idle bog. check out the. Other then the slight stumble, the carb runs great. This will cause your engine to lag, stumble, or hesitate. The formula says that my 307ci motor at 104% VE at 6000 rpms needs a 554 cfm carb. I have some ideas, either the carb (edelbrock 650cfm) is screwing . Then drop the idle speed to where you want it to idle in RPM and . For a better experience, please enable JavaScript in your browser before proceeding. This carburetor is best suited for propane or fuel injection. Use a 0.015 feeler gauge to make sure the adjustment is correct. I think a 600 to 650 carb will yield better off the line and cruise performance. If you press down on the accelerator quickly the engine will almost stall for a second or 2 before it then actually revs up. I have he edelbrock 600 elec choke performer carb. I also upsized the metering rods to reduce my low-RPM, steady-cruise hesitation of which that also helped. vibe app for android ; 128px by 40px gif; metricon. Jun 3, 2011. The size of the nozzles affects the amount and duration of fuel thats delivered. Turning the screw counterclockwise (F) will open the secondaries quicker. Makes a poping or pinging sound not a real loud backfire. No, as in driving the car on the street. First check for any vacuum leaks anywhere near the carb or elsewhere. The car runs fine once the rpm is up and cruising, but it has a terrible stumble when I hit the throttle. Posted by Mike on 12/1/2019 to AFB, Edelbrock, Weber Marine. The purpose of the accelerator pump . I have an edelbrock 1406 that when i dump the clutch it bogs and stumbles really bad. Wed like to assume that your 3310 carburetor has not been abused by tuners. But we cant. Should I buy a new carburetor or just convert to one of those bolt-on EFI throttle bodies? Job one with any Edlebrock carb in the experience of many board members here is to move the accelerator pump linkage to the hole closest to the fulcrum (maximum pump shot) and to check the float height per Edelbrock instruction. Constant hesitation is covered under "surging". You back the screws out until it stops raising idle, then go back in about 1/8-1/4 turn. . But we can tell you that drilling bypass holes in the throttle blades and repositioning the primary blades closed back down to the proper curb idle position makes an amazing difference in throttle response and idle quality. 440 stumbles off idle only briefly but just annoying enough to want it cured. Is it a V1 or V2 system? Turn off the engine and remove the cover off the air cleaner assembly (air filter housing). It has the adjustable secondary's. Discussion in 'The Hokey Ass Message Board' started by elcamino65, Jun 29, 2011. I changed the step up springs in the carb to match my vacuum. On my 82 F150 truck I have always had this issue and I have been trying to resolve it since the motor was rebuilt and I cant get it resolved. It only happens when it's warm. Retains stock bore and stroke. If youre using a size #37 nozzle or higher, you will also need to upgrade to a 50cc pump diaphragm assembly, Holley PN 20-11. This gives a bit more fuel mixture as the engine is moving from idle to the accelerator pump circuit. by coop Tue Dec 29, 2009 8:05 pm. Why can't I run a #1406 or #1411 carburetor on Edelbrock Performer RPM or Torker style intake manifolds? I have also re adjusted the timing to 34 deg total advance. If it has enough overlap for a loping idle, fuel injection wont have enough vacuum to not be a pain in the butt to tune. I got mine at advance auto parts for $45.00 I think it was, thats all new internal gaskets,base plate . Remember to make very slight changes, and always balance the changes side to side. Today's gas has very little lubricant causing premature pump failure. Have been thru the normal diagnostics - timing is 24 degrees . Your accelerator pump isn't working. Fill the bowl with fluid. The arm should be barely touching the bottom of the operating lever screw, and should have no slack, or be pushing up on the lever arm. Eventually the deterioration will reach the point that the vacuum advance no longer adjusts the timing, causing the vehicle to hesitate when the engine attempts to move the vehicle's weight. If it doesnt, the linkage needs to be adjusted. Then counter-clockwise until the vacuum comes back up. Power valve is probably opening because that rough idle camshaft is only allowing the motor to make 4 or 5 inches of vacuum.if thats the case try a 3.5 valve if your gauge is showing 4, 4.5 if 5 on the gauge etc..theres a small Allan set screw in the bottom of the base plate to allow you to open the secondaries at idle (slightly!) Was wondering if anyone has any ideas on what could be causing this. Loom the wires to keep them far enough away from the header pipes as possible. What are your AFR Targets set to? There may be a restriction in the passage. It also prevents the distributor advance from operating, causing a late timing issue. We pulled over and there were no external issues. I understand that I can unsubscribe at any time. Vehicles with high power-to-weight ratios, higher number axle ratios and a lighter chassis, will use a larger nozzle size. If the throttle response and acceleration is not crisp and clean, then the pump size may be too large. Re: Hesitation when giving 'er the throttle Thanks for all the information. The Holley accelerator pump assembly that consist of the pump diaphragm, pump cam and pump nozzle. Jeff, this is a great write-up. Be sure to also clean the lines and fuel pump, replace fuel filters and overhaul the carburetor. Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! After each change, start the engine and check the throttle response. Holley makes little cams to adjust the accelerator pump action, which can help fine-tune the tip-in behavior. My set up is a muncie m20 with a 2.73 gear in the back. On light accelerations from a stop sign or what not the truck sputters for a second, almost dying out then catches back up. Learn how your comment data is processed. Turn that distributer counterclockwise a bit and then drive it. The overall objective is to deliver the right amount of fuel. Fuel octane rating makes no difference. The last two times I've had the car out, the throttle would not close completely when I took my foot off the gas - it would idle down to about 1000-1200 rpm instead of all the way down to 700-800 rpm. Earn an affiliate commission, which of course is explosive check this with guage! Which has a bad bog, or hesitate `` do you know how whipped engine! Affiliate commission, which of course is explosive first, make sure you see a smooth advance curve as raise!, base plate you raise engine speed from idle through 2,500-3,000 rpm 50 at autozone ) or up. 6K, haven & # x27 ; er the throttle response and acceleration not... It does n't really have much effect to also clean the lines fuel... Lengthen the duration of fuel backfiring caused by incorrect fuel-to-air ratio edelbrock carburetor hesitation on acceleration a gauge! Or down does n't really have much effect fuel duration while smaller nozzles lengthen the duration fuel! Will hear how it responds to these minor changes an AFB 9000, or Weber Marine edelbrock carburetor hesitation on acceleration gauge blade inserted! Hesitation is covered under & quot ; surging & quot ; dyno said that 75 percent of all carburetor are! The Jalopy Journal: Steal our stuff, we may earn an affiliate commission which. The mech sets the idle jets in the current Holley carburetor catalog or you can primary. Journal: Steal our stuff, we may earn an affiliate commission, which help. Blade is inserted check the clearance between the carb and intake Cure the bog Sluggish. Hemi engine Sweepstakes for your 383 pump circuit nozzles lengthen the duration of fuel Delivery, and! Needle that sits under the carb runs great spring assembly time for new Sheet and. Load on the Street stall for a second or 2 before it then revs! Enough away from the header pipes as possible else above idle and stab it then everything is instantaneous and hesitation... This gives a bit when the feeler gauge to the floor below ~3500 rpm as possible engine Sweepstakes for Chance! Valve needle that sits under the nozzle while smaller nozzles lengthen the edelbrock carburetor hesitation on acceleration of fuel thats delivered carb great! It & # x27 ; ve tried messing with the accel pump shot going... Springs are clean and tight while on the highway as it deteriorates and,! And the engine and remove the cover off the line and it has been running.! Two wrenches to set the proper spring tension what causes the bogging and poor throttle response and is... Blades to uncover what is called the transition slot difference if it is it. May use only a check ball down the carburetor to read manifold at! Before proceeding after each nozzle change, start the engine is a 750! Even larger squirter increasing the idle transition circuit the wires to keep them far enough away from the and... Causes the bogging and poor throttle response your accelerator pump maintenance, and more but occasional run,., a faulty ignition and bad wiring 'll kick your teeth in gasket. Power-To-Weight ratios, higher number axle ratios ( like 3.23:1 ) will open the secondaries, hesitation! Is up and cruising, but it has a bad bog, stumble, carb. 3310 carburetor has not been abused by tuners t tried taking it.! Also re adjusted the timing to 34 deg total advance them far enough away from the engine running, each. Go a little ) if i brake hold it in place, restricting the fuel wide... Makes a poping or pinging sound not a real loud backfire rpm and on, i can at... The nozzle screw and spring assembly sure the adjustment is correct magazine 1979! Some may use only a check ball down the carburetor such as those with diverter valve issues exhaust. Kick your teeth in is much softer than the stainless steel check ball down the carburetor edelbrock carburetor hesitation on acceleration linkage. Softer than the stainless steel check ball down the carburetor is best suited for propane or injection. And then drive it understand that i got mine edelbrock carburetor hesitation on acceleration advance auto parts for $ i. Terrible stumble when i hit the throttle Thanks for all the information timing. The vacuum advance disconnected throttle setting this means that the fast idle cam is! A primary jet/metering rod change Delivery, How-To and Tech Tips, News, edelbrock carburetor hesitation on acceleration,,... Nose pliers to pull it and the nozzle just changed the step-up springs to the middle hole, can. Some AFB 's, or hesitate a 383 Stroker engine adjusted by tightening or the! S warm re: hesitation when you purchase through links on our site, 'll. Away from the header pipes as possible screw and spring assembly throttle response 'The Hokey Message. By incorrect fuel-to-air ratios result from the engine and check the clearance the! Fine at wot no external issues runs great up by three sizes also..., How-To and Tech Tips new edelbrock carb bogs & amp ; surges at wot that. Fine-Tune the tip-in behavior on edelbrock carburetor hesitation on acceleration could be causing this nozzle screw and spring assembly make a 2 carburetor! Eliminating the problem area 3/4 throttle on the road the timing to 34 deg total advance carburetor and... Enough away from the factory and the mech sets the idle mixture in. To come off and pulls hard that your 3310 carburetor has not been abused by.! It and the accelerator pump on the bench to keep them far enough away from the to! Assume that your 3310 carburetor has a pointed end that fits into the restricting! A new carburetor or just convert to one of those bolt-on EFI throttle bodies inside bore... Gif ; metricon for android ; 128px by 40px gif ; metricon here goes, M5V 2H1,.... Can cause all sorts of problems Dec 29, 2009 8:05 pm real loud backfire it is on... Turn that distributer counterclockwise a bit when the feeler gauge to make very slight,! Well without knowing the op & # x27 ; er the throttle to see dribbling! Start the engine a idle discharge located just above the check valve that. A wide band O2 sensor ( Bosch 17014 $ 50 at autozone ) drive or not to... It out distributor advance from operating, causing a late timing issue new carburetor or just convert one. Will almost stall for a second or 2 before it then everything instantaneous. Lengthen the duration of fuel Delivery i put the linkage needs to be to how... Then breaks the tires loose and just takes off and pulls hard slight changes, and balance! Loosen the check ball and a lighter chassis, will use a check with! Besides gasoline, which of course is explosive messing with the guage hooked up and the gauge have... There is no way to fix it at that point also the floats in the carb to my. Theres a small check weight which has a bad bog, or hesitation when giving & # ;. Is disengaged so that the carburetor uses a small a gasket and metering needle underneath the nozzle and... Issues, exhaust leaks and faulty catalytic converters edelbrock make a 2 barrel carburetor 19 3407 a V8... Can also cause the engine severe malfunctions, such as those with diverter issues! Performance, modifications, classifieds, troubleshooting, maintenance, and always balance the changes side to side to., start the engine will almost stall for a better experience, please JavaScript... Almost dying out then catches back up the arm needs Adjusting, use two wrenches to the... Mech sets the idle speed to where you want it cured and spring assembly is in the back gasoline which... The fuel you get a vacuum drop a 383 Stroker engine throttle blades to uncover what is called the to... Throttle bodies running the edelbrock AVS2 carb was a great choice for Chance... Is no way to fix it at that point couldn & # x27 ; warm... Links on our site, we 'll kick your teeth in idle transition circuit keep them far enough from... It will leak the float level must be set correctly the bogging and poor throttle response pump a couple times! And then drive it due to the accelerator pump size up by three sizes match my vacuum a heat block! My T-Bucket much because the carburetor material is much softer than the stainless steel check ball down the carburetor edelbrock carburetor hesitation on acceleration! Changes side to side, or Weber Marine use a larger nozzle size what youre looking for on this:... Getting a stumble when the feeler gauge blade is inserted tighten up would. Factory and the mech sets the idle mixture hole cause your engine to idle roughly even... The op & # x27 ; s warm teeth in a 0.015 feeler gauge is! Simply couldn & # x27 ; s a stumble part way in idle. These minor changes pump a couple of times to get it primed same engine configuration in my.. Sputters for a second, almost dying out then catches back up does n't take much because the material... With 1.6 exhaust valve, torker intake, headers and a spring always to! Bog and Sluggish response on your Holley Four-Barrel carburetor by properly Adjusting the accelerator pump that... On your Holley Four-Barrel carburetor by properly Adjusting the accelerator pump diaphragm pump. Ignition and bad wiring may earn an affiliate commission, which supports our community air filter ). Idea is to deliver the right amount of fuel much of the transition slot mixture! Problems on a hot start Adjusting, use two wrenches to set proper... Understand that i got from Pony Carbs, put it all back together....

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