Thread: 98 grand prix gtp

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  1. #1 98 grand prix gtp 
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    I thgink I need a new tranny but I want top make sure I buy the right one. What tranny comes stock in a 98 grand prix gtp
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  2. #2 Re: 98 grand prix gtp 
    Moderator dsmuts's Avatar
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    4t65e hd 2.93 gears
    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: 98 grand prix gtp 
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    Thank you, much appreciated
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  4. #4 Re: 98 grand prix gtp 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Basically any trans from 97-02 will work for you.

    I think in either 99 or 00, the cooler lines got changed just a tad, but its nothing 10 minutes of you time cant fix swapping them around.

    SMGPFC Member #1
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  5. #5 Re: 98 grand prix gtp 
    Moderator dsmuts's Avatar
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    But only out of a supercharged car. Na cars have a different gear ratio and differential.
    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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