Oct 2, 2014 · One is list 3310 with the original 1965 Chevy part # 3878261-EH though the date code says it's a 1969 replacement for the '65 SS 396/375hp. The other one is list 3310-1 with no other …

Aug 4, 2014 · My build is a 383 sbc. 9.8 Compresion, 400 sbc heads 2.02 valves, light port work. Fairly descent size hydraulic roller cam. Size and specs unknown. Big enough to need a 2800 stall. Rpm …

Jul 26, 2013 · I've got a Holley 3310 and its very rich at idle. The motor runs awesome except for the overwhelming gassy smell at idle. I've got a Chevy 355 flat top 4 valve relief pistons, right around …

Yes, the 3310-1 is a model 4150 while later -# were a 4160. The-1's had replaceable secondary jet like a double pumpers while later carbs used a secondary metering plate.

Aug 3, 2010 · Two sets are on 4150's (one 3310, one 4777- both have the "red umbrella" check valve for the accelerator pump) and a third set that is from a 3310 4160 (has the "ball and bail" check valve for …

Nov 1, 2008 · Holley uses two different idle circuits one is direct, the screws turn in to reduce idle fuel and out to increase it. The other actually controls the idle air bleed and works backward to the direct …

May 19, 2010 · I ran a q-jet for a few years, but went back to the holley for a more consistent running carb with slightly better power and slightly worst mpg. For a simple, cheap, durable carb. get a Holley …

Feb 3, 2022 · The Holley 80451 is a 650 Holley HP and is like the previous one and has no provisions for vacuum hook up and is a zinc model and is an older style HP Holley carb.

Oct 29, 2014 · Here is a link on the holley 3310 carb and it has a lot of info on the sizes of the air bleeds and also the specs on the original primary metering block it had.

Jan 5, 2012 · I was wondering if a Holley 3310-4 750CFM carb would be too much carb for my 350 build There is a guy selling a used carb locally for approx $125. The engine is a SBC 350 for a Datsun …