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Thread: 2005 seirra denali LQ9 6Liter

  1. #1
    Potential Tuner
    Join Date
    Mar 2011
    Posts
    4

    2005 seirra denali LQ9 6Liter

    I'm looking into a tune for my truck. I hope to gain some mileage and some power. My issue is I'm not sure whats the best way to get to my desired goal and the risks involved in each change that I make, any info would be greatly appreciated.

  2. #2
    Senior Tuner IDRIVEAG8GT's Avatar
    Join Date
    Aug 2010
    Location
    Roswell, N.M.
    Posts
    1,956
    HPT is bar none the best software you can use for tuning. It let's you tune every single parameter of both engine and tranny, however I can promise you its going to be overwhelming at first. That's why you should read up on the help tabs and use the search feature on this forum to aide you in your quest for a good tune. If you're all stock then you can only improve all around horsepower slightly but pick up a lot in the MPG and improve how your truck gets off the line substantially.
    Gray Ghost- The abomination. 2007 Chevrolet Silverado CCSB. 98mm turbo, nitrous, 428LSX, Rossler 80E with a brake. Finally finished. 23 psi, no numbers, Slow as hell.

    PBM G8- Aluminum 364, twin Precision 67/66 turbos, 6L90 trans swap, CTS-V/Vaporworx fuel system, slowly making progress.

    Dads 2011 CTS-V- Stock bottom end, stock heads, LS9 cam, pullies, ported blower, ported TB, D3 goodies, and lots of nitrous.
    618/618 motor
    906/862 spray

    Caterpillar 50 Forklift- Duramax swap

  3. #3
    Advanced Tuner
    Join Date
    Jul 2009
    Location
    Noble, OK
    Posts
    317
    2005 LQ9 isn't GEN IV....search the GENIII section.