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5.3l

  1. 04 tahoe z71 5.3

    General GM Discussions
    Truck was sitting for 4 years I'm getting code po300 an code p0171 I replace plugs wires coil packs throttle body air intake still is running rough an smoking can anyone tell me wats wrong with this fucking truck
  2. Rebuilding my 5.3L in my NNBS

    Engine & Performance
    Hey guys, I wanted to get your ideas on an upcoming project I will have coming up. I have a 2008 Chevrolet Silverado 1500 with 180,000 miles and have been using a Range device to shut off the DOD/AFM since I have owned the truck which is about 50,000 miles. I am noticing there is a lot of...
  3. BDX Louisiana

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