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  1. C

    Mercarb: Drips fuel under acceleration increase

    2000 Mariah 180 4.3l 2bbl mercarb. Boat ran fine two years ago. Last season from day one it ran like crap. Wouldn't come off idle when in gear (in water). I could use neutral and play with the throttle to get the rpms up. If quick, I could drop it in gear and work the throttle. After several...
  2. C

    Upgrade to 17l roller rockers on 1999 57l Mag MPI

    Is there enough valve clearanc Is there enough valve clearance to handle the increased lift with 1.7 roller rockers. .030 increase in valve lift is
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