So i been chasimg this damn sputter for a couple momths now....runnimg a 460, claysmith mild cam, 60 over kb pistons...just rebuilt.. new fuel pump, 5.5psi fuel, new plugs and wires, pertronix ignition with 6 month old coil...6 month old cap and rotor...the boat runs hard for the first 5 mins with a lil sputter after that i notived started getting worse and started seeing and smelling smoke under dash...im thinking its ignition problem ot sure...any suggestions really stumped maybe wiring?
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