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!
    764
    Discussions
    9,144
    Messages
    Latest: 1997 Tahoe 383 Swapped INSANEREINDEER, Mar 31, 2020 at 11:31 PM
  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    399
    Discussions
    5,144
    Messages
    Latest: What is everyone doing for headers? Kustombuilt1911, Mar 31, 2020 at 10:13 PM
  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    822
    Discussions
    9,840
    Messages
    Latest: New Exhaust 2001ZR2, Mar 31, 2020 at 6:27 PM
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