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!
    846
    Discussions
    10,388
    Messages
    Latest: Misfire! Help! Canon Lansdell, Jan 14, 2021 at 12:07 AM
  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    429
    Discussions
    5,336
    Messages
    Latest: Holley ECU and stock A/C question. Davin Reckow, Jan 9, 2021 at 10:00 AM
  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    876
    Discussions
    10,441
    Messages
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