Re: holley 3310 jetting and power valve advice
What does your ignition look like? You need to get that right first.
always and forever. what's the initial timing, how much mechanical advance at what RPM? how much vacuum advance? hooked up to manifold or ported vacuum. Onmce you know the answers to these questions we can sort the carb.
Do you have a PCV hooked up? and a breather?
Apparently you have a 3310-x carb, not an original 3310?
69 Malibu Stock 307, Reverse Manual TH350, 4,500 Stall Edge Converter, 4.56 Spool 35 Spline 12 Bolt
76 C20 VortecPro 496 628HP 655 lb/ft TH400 Edge Converter, 4.10 14 bolt
Last edited by Tom Mobley; Oct 7th, 19 at 12:51 PM.