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Thread: 06-07 Grand prix's

  1. 06-22-2017 #1
    Wolvessoulz
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    06-07 Grand prix's

    Good evening to y'all,

    I have a client wanting to get his 06 GT (L32 / 3.8 S/C) tuned, now I usually tune 96-05 3.8's without much issues with my software and had 2005 PCM's used on a 06+ before.

    Though, I see that 06-07 theoretically should have full support out of the box now with HPT, question is, does the fuel gauge still read backward after a re-flash on these cars?
    Just to know if I have to warn my customer about that / refuse the tune on the stock PCM and pull a 05 PCM out of the wrecker for them.

    Thanks a bunch !
    2004 GTP Comp-G - 3.3"/3.2 Pulley, XP Cam, LS6 springs, LS7 lifters, #50 injectors, 4" MAF, Catless headers, 180*, AL104's, HAI, Overkilled, 06+ Dual pistons brake, STB's, Lowered on SSC's and FE3.
    3800 Tuner in Quebec, Canada.
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  2. 06-22-2017 #2
    5FDP
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    As far as I know the fuel gauge only reads backwards if you installed a 04-05 computer in a 06-07 car.

    Tuning the stock computer shouldn't do anything with the gas gauge.
    Last edited by 5FDP; 06-22-2017 at 09:20 PM.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.
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  3. 06-22-2017 #3
    Wolvessoulz
    Wolvessoulz is offline
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    Alright, good to know !
    I wasn't too sure which way or around it was.
    2004 GTP Comp-G - 3.3"/3.2 Pulley, XP Cam, LS6 springs, LS7 lifters, #50 injectors, 4" MAF, Catless headers, 180*, AL104's, HAI, Overkilled, 06+ Dual pistons brake, STB's, Lowered on SSC's and FE3.
    3800 Tuner in Quebec, Canada.
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