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!
    751
    Discussions
    9,045
    Messages
    Latest: 0411 computer after market e-fan control RDF1, Jan 29, 2020 at 6:44 AM
  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    396
    Discussions
    5,109
    Messages
    Latest: What is everyone doing for headers? L31MaxExpress, Jan 26, 2020 at 10:41 PM
  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    813
    Discussions
    9,768
    Messages
    Latest: Flowmaster Mufflers - Made In China Now Supercharged111, Jan 24, 2020 at 9:16 PM
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