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  1. Johns
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    01 Duramax & Hyperteck tuners

    I just pickup an 01 Duramax with 50k on it and I am thinkin about adding a Hypertech 3. they say you can tow in any setting, even 12000 lb at the...
    Thread by: Johns, Jan 23, 2007, 3 replies, in forum: GM Duramax 6.6 (LB7)
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