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head gasket

  1. Changed 400ex head gasket and motor blew

    Repair & Maintenance
    Needed some thoughts I just changed the head gasket on my 2000 400ex and on my test drive just now the motor locked up and refuses to even turn over,the noise it made sounded liked the cam chain got loose or something. I'm new to this so this was my first go at taking a motor apart. I watched a...
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