Problems with edelbrock 1406, It runs amazing. I called them Monday and was told those carbs are too big for my application so they told me to step down to jetting that is in a 500 cfm. I swapped that motor out for a 400 small block with a stock cam and put my intake carb and headers on it and when in Jan 8, 2014 · Ok guys new to the forumlooking for some much needed more experienced advice Ok i have a stock 350 sbc with 282 duration 455 lift edelbrock torker 2 intake long tube headers and 1406 edelbrock carb still using stock distributor. Jun 2, 2009 · Hey guys I had this edelbrock 1406 carb on a 350 bored 60 over with a 480 lift cam performer intake and 2 1/2" exhaust before and it would stumble very lightly with that motor. Once I hit 40 mph it was great. a month ago, constant problems with bogging and running rich but drivable. This is a 1406 tub with stock 600cfm jets. 99% of all hesitation/surge problems with these carbs can be resolved by checking float levels, and then changing step-up springs to better match your car's engine conditions (mainly vacuum measurements). Two issues: Idle circuit is blocked : take out idle screws one at a time and blow compressed air through. I have added air valve secondaries and annular primary boosters. Mar 28, 2024 · Edelbrock told me/sold me 1406's. Sep 3, 2025 · Idle problems: Engine not responding to idle mixture screws. . I thoroughly cleaned and rebuilt the carb to Edelbrock specs with new floats, stock jets and metering rods. it idles fine but as soon as you wide open throttle it it Apr 27, 2008 · I believe I just found my problem, I wrote an email to edelbrock and they said you cannot use a 1406 carb (600cfm) with a RPM or Air Gap intake. It would bog out, almost stall, and I'd have to pump the gas half a dozen times until it ran smoothly. Feb 12, 2012 · I have 2 1405's on my setup. Zero problems only reason i would like to add Edelbrock fuel pump to aid in hard starting problem after sitting for extended periods, can i use it to prime stock pump or bypass it 343 4 speed unkown cam mallary dis 1406 Dec 4, 2003 · Fuel Injection, Carburetion & Fuel System - edelbrock 1406 problem - I have a problem with a new edelbrock 1406 600 cfm alectrick choke carb on my 3/4 ton. I’ve got a 72 Duster with a 318. It starts fine cold and runs ok although I need to correct for the altitude one of these days. It came with a Weiand intake and Edelbrock 1406 Nov 25, 2024 · The car was fouling spark plugs and running rough, so I took the 1406 apart and found one of the metering rods was bent. Apr 20, 2021 · 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. It cranks for We would like to show you a description here but the site won’t allow us. Aug 30, 2025 · Hey all, Got a few questions regarding the install of my Edelbrock 1406. other issue could be your fuel pressure is high , typically edelbrock carbs operate best at 4. 5-5. 5 psi. When the engine is warm it doesn't start worth a darn. I have an RPM intake, so they suggested the 1407 which is a 750, so my question is, would you advise this carb or something different?. Mar 25, 2016 · With suggestions from gear heads on this site and gear heads around me I was able to compile a systematic approach to solving, especially new, edelbrock problems.
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