secondary carb problem
my carb is a holley 750 DP
primaries are good but if im cruising and punch the throttle I get some breaking up or stumble initially then itll hook up? im thinking more pump shot or bigger shooter? |
Lean is usually a hesitation and can even backfire out of the intake when the secondaries open until the main venturis have enough vacuum.
Fat is usually a breaking up, with black smoke and backfires out the exhaust. You may have too much or too little accelerator pump. |
I havent noticed black smoke.
I had a problem with the primaries before and fixed it by flipping the pink cam around and readjusting the pump arm for .015 at WOT. that gave me a huge initail pump shot then tapered off. might aswell try that on the secondaries too. |
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