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Thread: Need help

  1. #1
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    Need help

    Have a 408 with big cam 3000k stall. When you put it in gear the timing goes to -5 to 15 and it won't run. Idle somewhat ok.

    Anyone have a file I can look at that would be a good starting point for a GTO?

    What should 408 in cylinder size read? 0.83575?

    .373 gear, 3000k stall, fast intake, 60lb injectors, headers,103mm tb heads are cnc'd and flow 340.

    I looked in the tune repository, but there only appears to be stock tunes in there anymore.
    Last edited by PurplePiss; 08-26-2021 at 09:42 PM.
    www.outlawpontiacdragseries.com
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    2005 GTO A4 - Spintech X-pipe with Powerstick mufflers, IAT relocate, Volant, !scoops, !cowlgasket, !skid plate, LM-1, HPT2.0/MPVI Pro USB, 275x40x17 Nitto DR, rolled fenders, Pedders 2985 springs, Britax baby seat with 5 point harness.
    Stock:13.36@104
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  2. #2
    Senior Tuner Ben Charles's Avatar
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    What size cam and what’s the KPA at idle

    Email Tunes, [email protected]
    96 TA Blown/Stroked, 4L80E/Fab 9
    15 C7 A8 H/C 2.3 Blower/PI
    14 Gen 5 Viper
    Custom Mid Engine chassis, AKA GalBen C

  3. #3
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    I sent you cam info in email.

  4. #4
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    Kpa at idle is 65 to 70. Do you have a tune that is close? Thanks

  5. #5
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    Anyone know what table would pull -5 timing when you shift from park to drive? Doesn't do it in reverse or neutral.
    www.outlawpontiacdragseries.com
    Come race with us in MA, PA, and VA!

    2005 GTO A4 - Spintech X-pipe with Powerstick mufflers, IAT relocate, Volant, !scoops, !cowlgasket, !skid plate, LM-1, HPT2.0/MPVI Pro USB, 275x40x17 Nitto DR, rolled fenders, Pedders 2985 springs, Britax baby seat with 5 point harness.
    Stock:13.36@104
    Mods in sig:[email protected]

  6. #6
    Senior Tuner Ben Charles's Avatar
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    Tune is mostly stock!!!

    Email Tunes, [email protected]
    96 TA Blown/Stroked, 4L80E/Fab 9
    15 C7 A8 H/C 2.3 Blower/PI
    14 Gen 5 Viper
    Custom Mid Engine chassis, AKA GalBen C