Thread: what tranny will fit in a 98 gtp ?

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  1. #1 what tranny will fit in a 98 gtp ? 
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    I have a 98 gtp and it needs a tranny what cars carry the tranny that will fit in my car.
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  2. #2 Re: what tranny will fit in a 98 gtp ? 
    TDCRacing
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    97-03 GTP's carry the same transmission that is in you're car. But all from 97-03 will bolt right in. The one's from the GT's have a higher gear ratio and will need to get the PCM reprogrammed for it to work right. They also had a weaker differential.


    Is that what you were asking?
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  3. #3 Re: what tranny will fit in a 98 gtp ? 
    GrandPrix Junkie Sabrewings's Avatar
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    Somewhere in the 03 model year some of the internals to the transmission were slightly changed. If you try to stick that transmission in an earlier car without modifying the PCM, it won't act right.
    2004 Impala LS - got some mods sold!!!
    2009 Subaru Impreza WRX STI

    NAIOA moderator Still Imp'n, just in a different Imp.
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  4. #4 Re: what tranny will fit in a 98 gtp ? 
    GTP Level Member Scimmia's Avatar
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    97-99 GTPs and Regal GSs would be a direct swap. 00-02 GTPs and GSs would require messing around with the cooler line fittings, but otherwise would be a direct swap. 03+ would complicate things quite a bit, best to avoid them.
    2001 Buick Regal LS - Almost Stock
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  5. #5 Re: what tranny will fit in a 98 gtp ? 
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    thanks guys
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