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  1. M

    Mercrusier 898 intake and exhaust upgrades

    Hi all- I have a 1978 Mark Twain that is in really great condition. It is my "knock around" boat..I want to replace the intake with a 4 bbl intake and run one of my Holley on it. Will a square bore Eldebrock aluminum work? Also want to convert to through hull exhaust but the only thing I can...
  2. M

    1972 Johnson Looper 50

    Hi- I have a '72 50 hp Johnson that was running like a top until I moved it to another boat, Now it will only crank and run when it feels like it..basically some times I can go to start the motor and it will just spin with out getting any spark to the plugs, at other times, it will crank up and...
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