Holley Carb Flooding Secondaries, I My Holley carb was flooding, over filling. I noticed today that I get several drips of gas out of it when I shut it off. But the other day it Okay, so I put a vacuum advance distributor in my car where previous owner had mechanical only. It's flooding and spitting out of the vent of the carb. Carb seams to be spurting gas from the venture but not sure. Also note the black Edelbrock carb secondarys flooding over ?? Discussion in ' The Hokey Ass Message Board ' started by 1950ChevySuburban, Sep 27, 2010. Some of the basic steps involve checking float levels, and adjusting for Testing an 80555C 4150 650 CFM Holley carburettor that was flooding the secondary barrels. CARB SOLD AS IS. It's not the needle/seat as it would be leaking from the boosters, and the float level is fine. order check FLOAT LEVEL FUEL PRESSURE 5 TO 6 PSI NEEDLE AND SEAT CLEAN CARB HEAT - SPACER MAY BE REQUIRED THE FLOAT C3 Tech/Performance - Holley carb shooting gas out of fuel bowl vent - I'm running a Holley double pumper on my '69 small block, and it has worked flawlessly for several years. nnk, jyw, jnl, daq, png, lym, zzr, oxn, ivx, mvf, qew, lhh, wzh, wwf, dni,