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4.3L V6 Silverado ~ Information and Advice

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by dark star, Jan 5, 2013.

  1. Hidef

    Hidef New Member

    I suggest you goto www.gmpowertrain.com. The current 5.3 Vortecs have VVT which is done through the cam phaser.
  2. shibby2oo8

    shibby2oo8 New Member

    The current 2012/13 5.3. Like I said before that doesnt matter because its not very effective.
  3. Project1

    Project1 New Member

    Its a good motor if you want it for speed i would buy it with the s10. But it tows my 21' boat just fine. Im running magnaflow catalytic converters and magnaflow muffler and im happy with it. Mines an 06
  4. Nargg

    Nargg New Member

    Riiiiiight. I guess that when GM started using VVT over a decade ago, the tremendous HP increase, and the MPG increase they got from that isn't effective at all. You're just in denial. Sorry.

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