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piston head bearing

  1. Top end question and pics

    Engine/EFI/Drivetrain
    Just pulled motor apart because of knocking and beleive my crack bearing is gone bad. Lots of play on the rod. On futher inspection saw this on the piston and head. Have seen that the head has a coating on it? Do you guys think I need to hone, polish or recoat the head and do I need a new...
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