Edelbrock carb dies at idle We started with replacing the accelerator pump, cause it seems like it had a weak shot, and usually that causes the off idle hesitation or bog. . Install went well and idle sounds good. Even after driving it a few miles (so the choke should be warmed up). Did a retune on my carb a couple weeks ago (running too lean, surging at part throttle) and now May 30, 2017 · I just put a carburetor kit in my Edelbrock 600 cfm 4 barrel caburetor (1406). I would recommend buying a separate stud kit as the one that comes with the spacer is too short for some applications. seems like Edelbrock carburetors are carefully tuned at the factory to work with the vast majority of applications. Nov 11, 2023 · Through my cowl hood vent, I have seen flames shoot out of the carburetor on occasion while going WOT both off a dead stop and at highway speeds. Oct 13, 2015 · When it gets hot, it dies in drive at idle. The guy I got the Edelbrock from said he had a hard time getting it to idle, so he went back to a Holley. This keeps the IAC Valve functional for Idle control (as appose to sitting at 0% with no idle duty) with a large range to adjust when the engine load changes. Car ran great except when pulling off from a dead stop under normal acceleration, like at a traffic Mar 27, 2022 · Edelbrock 4 barrel performer series carburetor rebuild kit, which will work on all performer Edelbrock carburetors. To narrow it down, tap the roll pin out of the accelerator pump lever by using a small pin punch or a small finish nail. What's wrong with my carb? This is the official video commissioned by Vic Edelbrock himself for me to do for him to show how to trouble shoot problems you may be having with your carb. Have to put the pedal to the floor to get it to run at all. So we bumped the timing to 36 overall, put the accel pump in the bottom slot (biggest shot), richened up the Mar 25, 2021 · Hot idle IAC is best between 5-10% and that will typically go to about 20-30% in gear. Any time I gradually bring up the rpms and then take my foot off of the gas pedal, it stays at whatever rpm it was at before taking my foot off the gas. Float adjustment? Have an annoying off idle stumble you cant seem to get rid of? Here are some tips on what to look for and how to work through the problem. plugs are a hair, i mean a hair rich. Starting fluid, pumping pedal with get it too fire up but I can't keep it running. went thru all the springs for the metering rods. The Dec 13, 2015 · Edelbrock carburetor sometimes won't idle (and I'm getting ready to pull my hair out) Engine & Drivetrain Oct 28, 2010 · These instructions are straight out of the edelbrock manual: IDLE MIXTURE The Edelbrock Performer Series carburetor has conventional Idle Mixture Screws (IMS) that provide a leaner A/F when turned clockwise and richer A/F when turned counter clockwise. Jun 10, 2009 · hello I have a 73 gmc c-15 pickup. Adjusting idle screws seem to have no effect. Why is My Edelbrock Idling Rough? Why Does My Edelbrock Carburetor Idle Rough? Common Causes & DIY Fixes If your Edelbrock-equipped engine idles rough, surges, or stumbles at low RPM, it’s a sign something’s out of balance. Dec 20, 2009 · Swapped my intake and carb on a 350. Didn't matter much on either one, either one closed increased idle a bit, either one open (removed) increased idle a bit. However, the carburetor can develop problems over time, usually due to a defective gasket or a component which has fallen out of adjustment. I finally found something that works--an Edelbrock #1468 accelerator pump Mar 25, 2016 · Drive again to see if this corrected the problem. I set the timing and I set the idle mixture screws with a vacuum gauge. I can then tap. I found a video online that said adjusting the idle mixture screws might help. I took it apart and cleaned all passages etc. to bring ya up to speed, 355, mild cam, timing, 16, total 38, edelbrock carb. 043 nozzle and I’m running the linkage in the bottom hole. I checked all passages for plugging by spraying carb cleaner in them and verified they aren't plugged. Edelbrock and Holley carburetors have lots of things you Nov 1, 2016 · First post on the forum but long time reader. I've backed out the main idle screw (not the mixture) to the point where it's not even in Nov 13, 2010 · I'm posting this in the hope that it will help any and all who happen to suffer from the same edelbrock off idle bog/stumble which I had once. Shipped within 24 hrs (weekdays). Running the idle too low can also cause issue stalling when put in gear. Its a Edelbrock 1406 model. A smooth idle depends on the right mix of fuel, air, ignition timing, and vacuum stability. I can two-foot it into gear and then go driving, Aug 22, 2004 · On my newly rebuilt 460 with a Edelbrock 1406, on a Edelbrock 2166 manifold, off idle under load it stumbles when you press on the gas. I changed the accelerator pump to the . Oct 3, 2024 · The carb is about a year old and Ive never been able to get this right. Fairly large camshaft. Mar 28, 2024 · Hot Rods Edelbrock 1406 Idle High Problems Discussion in ' The Hokey Ass Message Board ' started by Joey McGuigan, Mar 28, 2024. In the case of EFI systems. It is idling around 2200 to 2400 RPM. It does run, but not well. The left one greatly Nov 29, 2003 · after having my new 600cfm edelbrock carb on my 350 sbc. It would bog out, almost stall, and I'd have to pump the gas half a dozen times until it ran smoothly. Im running 15" of vac and Im running the Dec 13, 2015 · Edelbrock carburetor sometimes won't idle (and I'm getting ready to pull my hair out) Engine & Drivetrain Mar 10, 2013 · Ok, my friend and I have been trying for several days to get the stumble out of the carb in his Roadster. Go to start it up this morning and it rpms at about 2000 for a couple second then dies. It also has a turbo 400 with stock converter and shift kit. Jun 2, 2010 · My carb is a 600cfm Edelbrock on a 2101 intake. I know how to adjust the springs/rods/jets and such, I'm just trying to determine whether to go leaner or richer. The truck is an automatic and it stalls wether it is in gear or neutral idling at 950 rpm while stopping quickly. Once it warms up fully, (10 mile drive or more) the carb loads up and the engine dies when at idle for a long time. It still very hot to the touch but the issue seems to have been solved. I tried changing jets, spring, rods, timing, moving the accelerator pump arm, etc. What seem to be happening is that there is no fuel getting to the Apr 18, 2014 · Fuel Injection, Carburetion & Fuel System - Edelbrock carb not returning to idle? - Have a 600 com Edelbrock 1405 carb I am having some issues with. The Aug 12, 2010 · I just rebuit my edelbrock 1406 carb with electric choke and I cannot get it to idle. What do you guys think? If your vehicle is hesitating and stumbling, this video will guide you through a couple of key areas to inspect to ensure your installation was accurate. I have a 68 couple daily driver thats got a 306 with afr 165's, weiand intake edelbrock 1405, duraspark ignition and shorty headers. 5. Also, if you have an open spacer on the carb, to a spread bore mani, you will likely get a little off idle stumble, especially with a marginally big carb. I had that setup on the chevy with a built 402 (slightly undercarbed, perhaps) and it was bearable but noticeable. Jul 6, 2010 · edelbrock carb stalling engine on braking I have an Edelbrock 800 cfm Thunder AVS carb on this motor that runs perfect until I stop in a hurry. This is in a very mild 350. Spacer Feb 12, 2012 · I’ve been having problems with this from the start. You run as much timing as the motor can handle at idle. Adjust the idle very low (500-600 rpm) and with the vacuum advance disconnected and vacuum line plugged, adjust base timing to about 12 degrees. The EFI system will not only be more efficient in distributing fuel, but less fuel is used to wet the walls of the intake manifold, as what a carburetor does. Oct 28, 2010 · These instructions are straight out of the edelbrock manual: IDLE MIXTURE The Edelbrock Performer Series carburetor has conventional Idle Mixture Screws (IMS) that provide a leaner A/F when turned clockwise and richer A/F when turned counter clockwise. It took me months to get rid of mine, and several weeks after it showed up again this cold fall season. The hardest part of fixing a problem with an Edelbrock carburetor usually Mar 6, 2021 · Any Edelbrock gurus out there? I can’t seem to get rid of an off idle/acceleration lean on my 383. (there are 3 holes on the link) and also changed the metering rods. How do I tune the carb to fix this problem? Jul 5, 2008 · I've been having a bog from idle on WOT with my Edlebrock 600CFM 1406 carb every since I installed an Air Gap intake. Also a 5 speed. Includes several extra parts not normally included in carburetor kits, like the check weight and metering rod retainer springs. Think long red light, or trying to idle through the grass at a car show. I didn't actually moved the idle adjustment screws. Experiencing engine surging with your Edelbrock carburetor? Learn the top reasons for surging at idle or cruise—vacuum leaks, lean mixture, float level, timing, and more—plus how to fix them step-by-step. No dice. However, hooking up a low speed tach (optional) and a vacuum gauge (not optional), you can get idle mixture screws dialed in more accurately. Use an air cleaner spacer, if necessary, or buy the Edelbrock dropped fitting. I sold a blower carb and blower and replaced with a dual plane intake and an Edelbrock 1405. had this problem in the first place. Gauges are looking good (short FT, IAC, etc. Why do you suspect the carb? Have you checked timing, etc? Could be a combo of things. Aug 28, 2024 · Trying to diagnose what I believe to be a Carb issue. Did a retune on my carb a couple weeks ago (running too lean, surging at part throttle) and now Oct 8, 2019 · New edelbrock carb on 289. NOTHING worked. letting the clutch out, it like dies, if i feather it out it, and keep the RPM`S up, it goes. The truck starts up great and idles fine at about 900 and has a nice choppy idle. Runs real rough. Doesn't rev up when I do this. I can get it to stay running if I feather the accelerator. What's wrong with my carb? Dec 4, 2006 · I have a 1407 edelbrock 750 carb that I cant get to idle. When we bought this car, she had an old tired engine and we did a turn up and replaced the intake and carb, the carb being the Edelbrock 1406. Jun 12, 2015 · A carb running rich, as well as a carb running lean, can cause an off-idle stumble or hesitation upon acceleration. It has always idled a little high, but after I started driving it around (I'm up to 25 miles), the idle is getting higher. Mar 13, 2011 · and i mean JUST off idle. I adjusted the idle mixture and speed when the engine was warm and with the air cleaner on and the car was running perfectly while warm yesterday. -Edelbrock provides a description of how to adjust idle mixture screws that is somewhat accurate. It has a new 355 with edelbrock eps intake, demon jr. . Edelbrock 750 Engine pulls right at 9-10” vacuum at idle. Feb 7, 2010 · I have an edelbrock performer on my 351W that I'm just getting up and running. 1st Issue: While tuning the idle adjustment screws I noticed that the right screw does not affect the engine idle at all when I run it all the way in until it seats. Doesn't want to idle at all. I've played with timing, idle mixture screws, checked for vacuum leaks, fuel pressure varies from 5-6 psi, changed pump arm positions, adjusted idle Mar 9, 2024 · A stock air cleaner may not seat correctly on an Edelbrock because the fuel fitting on the passenger side gets in the way. It still stumbles off idle a little Nov 25, 2024 · I thoroughly cleaned and rebuilt the carb to Edelbrock specs with new floats, stock jets and metering rods. 9L 360 V8 small-block. It'll hold a really high idle with the choke closed but as soon as it warms up forget it. Jun 19, 2012 · I am running a new out of the box 1406 Edelbrock 1406 with electric choke on a C4B vintage Edelbrock intake with a phenalic 1" carb spacer. Performer EPS and a remanufactured Edelbrock 1406. I can run the idle mixture screws all the way in or take them out and it makes little difference. The best source of help was not edelbrock, but Jan 7, 2020 · I’ve got a 1978 Dodge RV with a new Pro Flo 4 setup. Got some help from phone/tech support on an initial tune. All is good until I put it Aug 10, 2012 · I am running a 1406 Edelbrock Performer Carburetor on a Performer intake and the 1" spacer has reduced the heat being transferred to the carb. To fix the sag/lean spot off idle I moved the accelator pump link to the max position. concidering i had bad cold starts and the idle problem i went Jul 18, 2006 · Re read your post. 625 carb, comp extreme energy 268 cam. Have an annoying off idle stumble you cant seem to get rid of? Here are some tips on what to look for and how to work through the problem. I’m running the stock jets with 70/37 rods and the pink 7” springs. Swapping in a 4 hole Apr 20, 2021 · SO, I'm super excited as I figured out my carburetor, vacuum, and stalling issues. it idles fine in gear when cold. ) but it always stalls when going into gear (hot or cold). it seems to never wana idle for more then 10 seconds well its weird cuz i had my Q jet on there for a while rebuilt it and everything. Vacuum gauges are cheap! Aug 12, 2010 · I just rebuit my edelbrock 1406 carb with electric choke and I cannot get it to idle. I adjusted the idle all the way out to where it no longer moves the throttle arm. I have rebuilt my Edelbrock 1406 twice and still got stalling / bogging issues from a stop (at a red light or stop sign) to initial gassing / start. Jun 19, 2023 · When switching from a carburetor to a EFI system. The idle air flow is controlled by a conventional screw that opens the Primary Throttles. I can turn them all the way in and umplug the manafold port and the car will rev up just a little. vjd5 z1 ap4y n0gd t0ih pfkl yrbt fe oerq kg7dz