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!
    640
    Discussions
    7,390
    Messages
    Latest: L31 Spark retard at hi rpm & load NorthernTahoe, Aug 14, 2018 at 4:45 AM
  2. LSX + Carb Swaps

    This section is for info on LSX or carburetor swaps into the OBS trucks.
    341
    Discussions
    4,623
    Messages
    Latest: 6.0 into 2000 k2500 rojas84, Aug 10, 2018 at 10:29 AM
  3. Exhaust

    Anything exhaust - from headers cats and pipes to tips.
    752
    Discussions
    9,190
    Messages
    Latest: 6.5 Diesel Exhaust on 454 Fez_Jet_Az, Aug 9, 2018 at 6:27 PM
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