Thread: 2000 Grand Prix Transmission Swap

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  1. #1 2000 Grand Prix Transmission Swap 
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    I have a 2000 grand prix GT with a N/A 3.8, the trans is bad and I am going to swap it out, my question is I already have a transmission that i know works good out of a 98 buick regal ls, would this work in the grand prix and function properly, if not what would need to be done. Also I have a grand prix GTP, whats the interchange on the transmission for GTP cars.
    Thanks for you time.
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  2. #2 Re: 2000 Grand Prix Transmission Swap 
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    The regal trans will work but you might have different connections on the trans lines. The gtp trans has a different gear ratio so that won't work without a tune.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  3. #3 Re: 2000 Grand Prix Transmission Swap 
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    Thanks for the quick responce,
    And on the GTP trans swap i didnt make myself very clear, i was wondering if my GTP trans goes out and i would want to swap it out, would all year GTP transmissions work or not?
    Thanks
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  4. #4 Re: 2000 Grand Prix Transmission Swap 
    Moderator dsmuts's Avatar
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    97-02 trans are the same except for the lines.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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