Thread: Topswap question

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  1. #1 Topswap question 
    GT Level Member TheDarkAngel's Avatar
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    So I was wondering, after I topswap my 2000 GT, can I run a stock GTP PCM until I get mine tuned? I know I would have to do a security and case relearn, but that's no problem.
    First car- 1999 Buick Regal LS (Sold)
    Current ride- 2000 Grand Prix GT (The Dark Angel) DIY Intake, flipped bushings, visual stuffs, lowered on Eibachs, Topswap loading...........
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  2. #2 Re: Topswap question 
    Schooner Tuner ADrugDealer's Avatar
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    Code:
    A stock GTP pcm wont work unless you change the VIN and what not I dont think. You'll need at least a basic tune to start it.
    EDIT: The more I think about it, I dont see why it wouldnt... except the VINs being different...
    2008 G8 GT - IOM - LSA Blower, Intercooled, Ported Heads, Cam, Flex Fuel Conversion, Tuned - 550whp - 11.5 @ 124 -
    2000 Regal - Winter Beater
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  3. #3 Re: Topswap question 
    GrandPrix Junkie
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    Trans gear ratio will be an issue...
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  4. #4 Re: Topswap question 
    GT Level Member TheDarkAngel's Avatar
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    Good point....hmmmm...there's no one around me to tune on a dyno or anything, so I have to get a canned tune from ZZP or somewhere.
    First car- 1999 Buick Regal LS (Sold)
    Current ride- 2000 Grand Prix GT (The Dark Angel) DIY Intake, flipped bushings, visual stuffs, lowered on Eibachs, Topswap loading...........
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  5. #5 Re: Topswap question 
    GTX Level Member nos4blood70's Avatar
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    Yeah, I wouldn't beat on it either. The motor would quickly pop with the stock timing.
    -Carl
    "Penelope" - 145k Miles 2003 Bonneville SLE


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  6. #6 Re: Topswap question 
    GT Level Member TheDarkAngel's Avatar
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    I can adjust timing and everything at home, just no one around me tunes.
    First car- 1999 Buick Regal LS (Sold)
    Current ride- 2000 Grand Prix GT (The Dark Angel) DIY Intake, flipped bushings, visual stuffs, lowered on Eibachs, Topswap loading...........
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  7. #7 Re: Topswap question 
    GTP Level Member 99GT2dr's Avatar
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    When I did my '97 GT, I used that pcm and just adjusted the timing and fueling. Started with a stock timing table from an '02 GTP, and ran it rich to start off then slowly leaned it out. I also had an xp and ssic on there, and only a 3.5" pulley so I wasn't worried about kr. Without a powrtuner I wouldn't even have considered doing all that work, without a tuner, why not just go L67/hd swap and use the gtp pcm? Or is it already too late for that?
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  8. #8 Re: Topswap question 
    GT Level Member TheDarkAngel's Avatar
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    I've been looking around for canned tunes, and ZZP has theirs offered with either a topswap option (another $75), or their L36 Supercharger Kit option which is free...I know the kit comes with fuel logs, but would that change anything? I figured I can select the swap kit option and save $75 because it'll be the same?
    First car- 1999 Buick Regal LS (Sold)
    Current ride- 2000 Grand Prix GT (The Dark Angel) DIY Intake, flipped bushings, visual stuffs, lowered on Eibachs, Topswap loading...........
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  9. #9 Re: Topswap question 
    GT Level Member TheDarkAngel's Avatar
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    I'll have the same plugs, and injectors, so I think it's the same?
    First car- 1999 Buick Regal LS (Sold)
    Current ride- 2000 Grand Prix GT (The Dark Angel) DIY Intake, flipped bushings, visual stuffs, lowered on Eibachs, Topswap loading...........
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