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Recent content by KDN98

  1. K

    2004 Merc 4.3L Loss of RPM Problem

    I have twin 2004 4.3 L MPI v6's with alpha 1 outdrives...... I am having a problem with the port engine. It will run fine not under a load.....I can run it up to 4000 RPM no problem. It starts fine and runs great.....Under load if I go over 3000 RPM the engine starts to pop and backs off to a...
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