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  1. Program or not? New to me LBZ towing 14,000#'s

    Towing & Hauling
    I just picked up a 73K GMC SLT Crew 4WD short LBZ, and will be towing a double tag car hauler to Moab Utah from Atlanta, weighing approximately 14000#'s. I did this last year with an 01' and got about 9 MPG running 80 or whatever in strong headwinds much of the way. We were loaded heavy. I...