Thread: 3800 transmission

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  1. #1 3800 transmission 
    SE Level Member john cola's Avatar
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    I have a 2000 gtp and just blew my tranny. can i swap out any tranny for a 3800 or does it have to be from an L67?
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  2. #2 Re: 3800 transmission 
    SE Level Member Yamahakid88's Avatar
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    I believe they l67 trans are built stronger to handle the increased power.
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  3. #3 Re: 3800 transmission 
    I live here. 02NavyBlue's Avatar
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    They're a different gear ratio though, so you'll still want the 4t65e-hd. 98-02.
    2006 Grand Prix GT S/C 109k - Modded Transgo Shift Kit, Gutted Airbox, Dash Cam, and Inlays. Retros soon to come.
    2002 Grand Prix GT N/A 127k - Same as 06 Plus: Trans Cooler, DIY Aux Input, LED lighting, Suspension Upgrades, Tint, Retrofits.
    Sold.
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  4. #4 Re: 3800 transmission 
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    l67 trans are just as weak as the n/a's the only thing that is different is the differential
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  5. #5 Re: 3800 transmission 
    Moderator dsmuts's Avatar
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    You'll want a 96-02 l67 trans for plug and play
    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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  6. #6 Re: 3800 transmission 
    The Boss Iceman6669's Avatar
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    Quote Originally Posted by dsmuts View Post
    You'll want a 96-02 l67 trans for plug and play
    97-02 4t65e is what he is saying.

    Pretty sure all 96 cars had the 4t60e. And in 97 the non-supercharged cars still got the 4t60e.
    97 GTP Sold-prolly rusted away by now
    2011 F-150 Yote powered
    Too Hot to Handle, Too Cold to Hold
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  7. #7 Re: 3800 transmission 
    Moderator dsmuts's Avatar
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    I'm thinking the 96 had the 65 too but not sure
    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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