Thread: 450whp Goal for my 1999 Grand Prix GTP SC....Please Help

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  1. #21 Re: 450whp Goal for my 1999 Grand Prix GTP SC....Please Help 
    GXP Level Member darkhorizon's Avatar
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    Quote Originally Posted by kuntzie View Post
    the numbers are inflated over an automatic but would still be very much well over 525hp on an automatic
    I know where you are coming from... but unfortunately its alot lower than that through an auto.... Sorry to burst your bubble on that, but an auto just works differently at power application to a dyno.

    Other than that you are still putting alot of power down.
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  2. #22 Re: 450whp Goal for my 1999 Grand Prix GTP SC....Please Help 
    GT Level Member kuntzie's Avatar
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    i upgraded the hot side of the turbo right afar the dyno to a .96 ar from a .68, even with an auto my car would have put down some serious numbers for sure,

    regardless it would be over his 450whp goal without question
    02 Grand Prix GT Intercooled turbo 5-speed 718whp 618wtq @ 21psi 7575 billet, spool valve, custom manifolds, 4" downpipe, 16way adjustable coilovers, 18x9.5 with 275's all around, gxp interior, gxp brakes
    tilton triple disc, custom aluminum flywheel, tilton slave and master, an awful lot more
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