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  1. Q

    2009 Tahoe 6.2L HP

    I've always wondered what the difference could be between the "380hp" in my Yukon Denali and the "403hp" in the Escalade. I always thought it was marketing only, but then I noticed my Denali upshifts at a pretty low rpm at redline, below the hp peak of the Escalade. So, is it merely shift...
  2. Q

    Tech 2

    46psi cold is WAY too high. Lower to 32/33 cold and you should be fine.
  3. Q

    How many think the GMT 900 series is the best TAHOE/YUKON yet?

    I definitely prefer my 900 over my two older 800 trucks.

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