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5.3
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  1. Engine & Performance
    bought this 2001 silverado with a 5.3 payed a guy to do swap out the cam and clutch fan to efans ,he tuned it with hp tuners but now the ac turn off when the truck is at a stop light but compressor turns on as soon as I press the gas and go. works fine when in park and sometimes it shifts to...
  2. Maintenance
    I bought 2000 Chevy 1500 the transmission and engine work but the breaks don’t work at all before I start replacing every break part I need help to narrow it down the guy I bought it from said it could be the abs module??
  3. Engine & Performance
    So what first started as a potential cam/valve train upgrade on my basically stock 2004 L59 5.3 (BTR stage 4 V2 truck cam, summit LS7 lifters spec lifters, and summit push rods to match, BTR beehive .660 valve springs, btr ls hat valve seals, and other odds & ends needed for job) I originally...
  4. Engine & Performance
    I get it. "UsE thE SeaRCh fuNcTioN!" I have. Here. On the Google-nets. On other forums, including performance truck, and even asked Whipple and Procharger directly. Been there. Still can't find info I'm after, or it's from 10 years ago, or I'm not understanding it...which could be possible...
  5. General GM Discussions
    Hello, recently my 2007 GMC Sierra 1500 5.3L NNBS has developed an issue While driving at relatively low speeds there is a distinct pop sound when switching out of V8 and into V4 mode. it is intermittent and only seems to happen while traveling under 30 MPH. I have been doing research...
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