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  1. J

    Jschrock build thread

    Started gathering parts a couple months ago and was finally able to take my vacation to install...I started today. Before: 5.3L: bone stock with drop in K&N and BB Tune Transmission: Vette Servo, Yank TT3000, and stock cooler Exhaust: Thorley Tri-ys, 22" Magnaflow, Dynomax bullet, ORY...
  2. J

    New Guy!

    I figured I would take this time to introduce myself I am a new guy to the forum from OKC. Have a 2003 GMC stock, slow, and want to make it faster. Thinking of Hypertech programmer. What do you all recommend? Thanks, New Guy