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!
    787
    Discussions
    9,447
    Messages
    Latest: No start a new engine 7.4 Vortec Bear 77, May 29, 2020 at 11:20 PM
  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    410
    Discussions
    5,213
    Messages
    Latest: Ls swap into a 96-98 obs Brettking, May 28, 2020 at 8:55 PM
  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    836
    Discussions
    9,972
    Messages
    Latest: Air intake question 24 Karat Brown, May 29, 2020 at 12:00 PM
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