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  1. New Headers and Ignition... needs A LOT more fuel?

    Hey all... I have a nice 10:1 355 SBC with the Isky z25 cam, 1.43" Comp dual springs, 1.6 rockers, eddy performer rpm heads, Summit single plane intake, Holley HP750, etc... nice strong motor up to 6500 RPM, love it. With my old ignition (Taylor HEI) and headers (Sanderson 1.5" primary...