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  1. S

    no spark on my 4.3 vortec please help

    O.k so here it is I purchased the boat last year 1995 donzi medallian from a friend that owed me some money.The motor that was in it was a mercruiser 4.3 vortec original they monkeyed with it trying to get it running no success because it had no compressing so I pulled the motor and bought a...
  2. S

    2005 4.3 engine question

    I bought a 2005 mercruiser 4.3 the engine is missing the ecm is there anyway to change the motor to a carbureted motor and what would I need to get to make this motor run.The reason I'm asking is there is no numbers on the motor to figure out which ecm to run someone told me I could by a carb a...
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