Thread: Top swap pcm

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  1. #1 Top swap pcm 
    GT Level Member skidoojames151's Avatar
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    SO im going to be doing a top swap soon and i realize that i will need a different pcm programming..whats the best way about doing this? I could get a pcm out of a GTP, but would that work w/ the l36 tranny? and the gearing is different so that would need to be changed. Does anybody have a custom tune for a top swap motor?
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  2. #2 Re: Top swap pcm 
    The mod from over yonder TheOtherNick's Avatar
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    Find someone near you with a tuner and have a custom tune done.
    01 gtp-big cam e85 dd 78dodge- guzzling fuel 05 cummins- rollin coal
    SMGPFC Two Nipple General
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  3. #3 Re: Top swap pcm 
    Donating Users Liquifire's Avatar
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    custom tune is pretty much the only way to go.......no tune in a can available for top swapped motors that I know of...
    98 GTP Coupe- 180* T-stat, GMPP Front Sway Bar, Dual Aeroforce Interceptor's, TDC FWI, TDC Taylor 10.4's, ZZP SS Plog, ZZP 3" SS catted DP, ZZP MPS W/3.4, AL104's gapped @.055, 3800Perf. PCM
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  4. #4 Re: Top swap pcm 
    DUI BABY Bio248's Avatar
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    you need an l67 engine .bin combined with an l36 tranny .bin. any canned tune being used with a top swap will probably not work worth a damn.
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  5. #5 Re: Top swap pcm 
    GT Level Member skidoojames151's Avatar
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    when the top swap is done would it be possible to still drive the car w/ the supercharger on it w/o the tune just to get it to the tuning shop? or would it not even run...
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  6. #6 Re: Top swap pcm 
    DUI BABY Bio248's Avatar
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    it wouldnt run without at least tuning it for the right sized injectors. i also wouldnt think of running it with the belt on it without a nice amount of tuning work on it. that high compression can bite you in the ass really fast.
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  7. #7 Re: Top swap pcm 
    club of used to own a gp 99prixgt's Avatar
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    email intense and inquire, they do top-swap tunes. I got mine from them, just so i can drive around, I also run KR free.
    16' wrx sti- stock
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  8. #8 Re: Top swap pcm 
    Donating Users Liquifire's Avatar
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    I would just run the setup without the SC belt until you could get it to the shop. This would not hurt anything and you could slap the belt on it to tune it and you would be all set.......
    98 GTP Coupe- 180* T-stat, GMPP Front Sway Bar, Dual Aeroforce Interceptor's, TDC FWI, TDC Taylor 10.4's, ZZP SS Plog, ZZP 3" SS catted DP, ZZP MPS W/3.4, AL104's gapped @.055, 3800Perf. PCM
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  9. #9 Re: Top swap pcm 
    GT Level Member skidoojames151's Avatar
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    would ^^^^ work with the larger gtp injectors? just to get it to the tuning shop
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  10. #10 Re: Top swap pcm 
    The Blue One blueguy's Avatar
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    Not if you don't have a tune already...the larger 33lb. injectors might not even let your car start without the correct fuel trims setup in the PCM tables.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  11. #11 Re: Top swap pcm 
    GXP Level Member BwolfGT's Avatar
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    Overkill is the only box tune I know of that will work with this. I'm personally getting mine custom-tuned though.
    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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