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  1. #1

    Default Tuning paremeters?

    What paremeters work for you with the 5.3? Any suggestions? For now, 2010 Sierra Crew Cab w/3:08's and running 87 octane, pure stock under the hood. I have a SCT tuner but Diablo T1000 may be in the works.
    2010 GMC SIERRA CREW CAB (Silver) 4x4, ReadyLift 2.5" Level Kit, 305/60/18 Dick Cepek Mud Country, Go Rhino Nerf Bars, Husky Liners front and rear, Bushwacker Bed Rail Caps, SCT Programmer.

  2. #2
    TRPLXL2's Avatar
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    Jan 2009
    Norwalk, Ohio
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    With that type of tuner you really can't damage too much, because they have safety limits on it so that you don't mess anything up. Now when I bought HP Tuners and started tuning my 5.7, there are NO safety's and you CAN screw a lot up. I don't know how many times I flooded the motor, and fouled the plugs until I finally just had it professionally tuned....

    The t1000 is an awesome tool for sure!
    2004 Chevy Colorado
    LS1 5.7 swap/TBSS rear axle swap

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