Originally Posted by rsrsfishslayers
I have a 350 sbc with a 671 blower gear drive when I get on it on the top it starts poping and missing lose power but I have to put the power to it whent this happens other wise it runs fine. We pulled the valve covers off and no broken springs there dose not seem to be any bent rods I even changed to plugs can anyone help.
Thank you
CPT.RON
Are you running a high speed bypass? Probably need a bigger pill in your bypass, as the rpm goes up your pump is probably pumping to much fuel to your engine. Causing you to be way rich, the bigger pill will bypass more making your fuel mixture leaner.