I have a classic Holley carb, 850 cfm, electric choke. I bought it used from a buddy of mine, and I purchased a rebuild kit for it. It didn't have all the parts for it, so I took some parts off of his donor …

Jul 31, 2014 · Re: Feature request thread One taken from another thread in this section. A useful function would be a "Lamp test" that was able to be selectively applied on any output, so if you have …

Jun 28, 2022 · Holley with excessively lean light throttle cruise by Ken_Parkman » Tue Jun 28, 2022 10:54 pm I'm hoping to get some help with a tuning problem I'm having. The combo is a 426 AMC …

Oct 5, 2025 · I remember a couple threads where people mentioned refinishing a Holley carb during rebuild, could not find the threads back so I will ask. what kinds of refinishing methods do you use?

Apr 7, 2023 · Re: Holley Vacuum Secondary VS. Double Pumper by rgalajda » Tue Apr 11, 2023 3:56 pm I’m impressed some you of shared your positive results using a vacuum secondary carb. If the …

Apr 25, 2022 · Re: Holley Tuning Help Please by rebelrouser » Mon Apr 25, 2022 8:58 pm On the squirters I find on a lot of new carbs the spring on the pump arm is too weak. With the engine off …

Apr 19, 2024 · Re: Holley 9379 on a street Car by 1980RS » Sat Apr 20, 2024 7:03 pm If he's going to drive it on the street just jet it down a couple of jets, should work great.

Mar 27, 2015 · holley Carb Specs. by member-83854792 » Fri Mar 27, 2015 10:58 am Guys I'm try to find some specifications on holley carburator regarding orfice diameters. I have most models as far …

Sep 11, 2015 · Re: holley 4575 dominator by Steve Zicht » Sat Sep 12, 2015 1:52 pm Dont hear much about the Carburetor Shop myself these days but I agree about the 4575 Dominator that TUNER …

Oct 14, 2016 · Re: Holley, Jet size vs booster relation by Geoff2 » Sat Oct 15, 2016 8:08 am If you have a lean stumble barely touching the throttle, then that is the transition cct. A common problem is …