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air conditioning

  1. V8 Engine & Drivetrain
    on my 09 5.3 Colorado, I was surprised to see there isn't one serpentine belt like most GM vehicles have these days. I have not looked close (without taking everything apart so I can see whassup) but I don't see a tensioner on either of the two belts (AC appears to have it's own belt) Anybody...
  2. I4/I5 Engine & Drivetrain
    Anyone ever think about removing powersteering and AC for some (little) performance gain? And how would you go about doing it if so? Just an idea I had. I know the whole "daily driver" factor will get shot out the window but I want to squeeze out as much power as I can by reducing the drag on...