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!
    829
    Discussions
    10,122
    Messages
    Latest: Which GM cam to perfect the L31? Hipster, Oct 29, 2020 at 3:19 AM
  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    420
    Discussions
    5,300
    Messages
    Latest: 350 tbi mild build PlayingWithTBI, Oct 19, 2020
  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    867
    Discussions
    10,295
    Messages
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