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  1. 2000 7.5 C6500 Engine replacement?

    Medium-duty Truck Forum
    I have a 2000 C6500 with a 7.4 in it. The oil pan connection for the air compressor drain came loose and lost some oil developed a knock. My mechanic told me it sounds like a wrist pin knocking. Debating on swapping out the engine? I have a couple questions and hoping to get pointed in the...
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