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  1. J

    New from Nh.

    New to the group from Nh. We have had great luck over the years with the 6.6 litre duramax. Currently having trouble with a 7.8 in a 2002 33k gvw truck with a non cst fuel system that I am learning was only used for 2 years. Looking for an injection pump for one. Any help would be great!