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!
    682
    Discussions
    8,051
    Messages
    Latest: 1997 Tahoe BBP tuned PCM? trx125, Feb 23, 2019 at 12:28 AM
  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    360
    Discussions
    4,809
    Messages
    Latest: Need wiring help with ls swap Ls swap c1500, Feb 21, 2019 at 7:28 PM
  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    777
    Discussions
    9,424
    Messages
    Latest: Catalytic Converter & O2 Sensor? R422b, Feb 22, 2019 at 10:21 PM
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