Engine Performance + Maintenance

If it's under the hood, its in here.

  1. 96+ Vortec Performance + Computer Swaps

    If you want to do the 0411 PCM swap or have a 1996+ Vortec motor this is your forum!
    689
    Discussions
    8,171
    Messages
    Latest: HP tuners. Christian Steffen, Apr 22, 2019 at 1:01 PM
  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    365
    Discussions
    4,853
    Messages
  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    787
    Discussions
    9,474
    Messages
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