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  1. M

    Got a new truck (built trans, s366) and have some questions

    This is also not my first duramax in case anybody is wondering.
  2. M

    Got a new truck (built trans, s366) and have some questions

    I am bringing home my new (kind of lol) lbz tomorrow. Big Dipper trans, S366, fass150, 40% injectors and stock pump. EFI by ridgerunner. I do realize the power potential here, so I am absolutely worried about cracking a piston. It also does not have head studs. I may have this thing retuned at...
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