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!
    805
    Discussions
    9,731
    Messages
    Latest: Vortec 350 Swap Advice badco, Aug 8, 2020 at 7:14 AM
  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    414
    Discussions
    5,275
    Messages
    Latest: 91 5.7 Roller engine intermittent knock at idle Hipster, Aug 7, 2020 at 12:01 PM
  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    849
    Discussions
    10,104
    Messages
    Latest: Header bolts Tim W, Aug 8, 2020 at 1:14 AM
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