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    motor issues? max rpm not even close

    ok guys i am new to this i just got my 1989 21ft larson senza up and running but it just doesnt seem to want to break 4200 rpm and i am not sure why here is a quick run down of what it has 5.7l chevy/mercruiser, procomp alum chevy heads 2.02/1.60 valves with 1.6 roller rockers, comp marine...
  2. G

    shift interupt switch & complete MSD ignition questions

    first off i want to say this is my first I/O engine build i didnt know i needed the switch until i took it out for the first time and i could not shift out of Forward or reverse without turning off the engine so now i have the switch installed my first question is.. 1) what do i hook the switch...
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