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  1. Tapping top end

    Engine/EFI/Drivetrain
    I've got a tapping which I believe is coming from the top end. Just started doing it. Runs great. No loss of power or anything if someone could listen and maybe steer me in the right direction. Valves? Piston slap? Cam chain? Bearings? Could it be an exhaust leak at the gasket? Here's a link to...
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