Thread: Debating which way to go

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  1. #1 Debating which way to go 
    Dropped GP GT is offline
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    Default 09-18-2009
    I have a 1997 GT, i'm debating on doing a top swap and rebuilt the bottom end, or just get a complete L67 and rebuilt that one top to bottom? any suggestions
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  2. #2 Re: Debating which way to go 
    Sabrewings is offline
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    Default 09-18-2009
    Top swap. Higher compression. If you don't get it you'll kick yourself later.
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  3. #3 Re: Debating which way to go 
    Dropped GP GT is offline
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    Default 09-18-2009
    hey thanks sabrewing. Either way i'm gonna rebuild everything just want some input. I appreciate it
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  4. #4 Re: Debating which way to go 
    99prixgt is offline
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    Default 09-18-2009
    your vacuum controlled tranny won't like it...
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  5. #5 Re: Debating which way to go 
    blueguy is offline
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    Default 09-18-2009
    Get a '97 GTP Engine AND Transmission...top swapping a '97 GT is uber fail...it'll kill the transmission in a week or two.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  6. #6 Re: Debating which way to go 
    BillBoost37 is offline
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    Default 09-18-2009
    Can't quite agree with Bluey on this one.

    The 4T60 isn't really weaker than the 4T65. It's a huge heat generator though. (no, I'm not a 60 fan)

    If you top swap, tuning is the key to it holding up. Lots and lots of tuning. An L67 swap will be more lenient tune wise. The added power from the top swap is nice, but the tuning responsibility needs to be taken into account.
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  7. #7 Re: Debating which way to go 
    BwolfGT is offline
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    Default 09-18-2009
    Usually I'd say topswap because of the higher compression, but if it's a 97 I would say 1998+ GTP engine and tranny.
    1998 GP GT - Topswap - Ported M90 - N* - 4" FWI - Poly Mounts - 3" DP - 180 Tstat - Alt. Rewire - 3.29 gearing - Full Exhaust - Custom Tune
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  8. #8 Re: Debating which way to go 
    TheOtherNick is offline
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    Default 09-18-2009
    left
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  9. #9 Re: Debating which way to go 
    Iron Indian is offline
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    Default 09-20-2009
    Keep in mind, IIRC early 97 GTs had the 4T60-E, later 97s had the 4T65-E which is what was used the rest of the years. Need to figure out what tranny you have...
    Shawn W. Larsen

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