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!
    577
    Discussions
    6,664
    Messages
    Latest: Need help on rebuilding my l31 into a 383 drenolov, Nov 20, 2017 at 1:37 AM
  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    318
    Discussions
    3,970
    Messages
    Latest: Gen V L83 swap in OBS Tahoe Nef.t, Nov 10, 2017
  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    712
    Discussions
    8,897
    Messages
    Latest: Installing headers 1994 K1500 1bignordic, Nov 16, 2017 at 3:05 PM
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