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!
    872
    Discussions
    10,751
    Messages
    Latest: 5.7 Vortec: Intermittant start failure. GoToGuy, Apr 18, 2021 at 1:22 AM
  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    435
    Discussions
    5,406
    Messages
  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    894
    Discussions
    10,627
    Messages
    Latest: Bosal 0795111 - Does it fit K series TBI? GoToGuy, Apr 18, 2021 at 2:34 AM
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