Thread: 3.1 L v6 to a GTP SUper charger, etc engine

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  1. #1 3.1 L v6 to a GTP SUper charger, etc engine 
    SE Level Member 00grandprixgirl's Avatar
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    i got my 2000 prix in February... 1 week later the engine blew..replaced it beginning of march..now i have oil in my anti freeze, and the "low coolant" light keeps flashing at me.. it could be a head gasket, main cylider head, etc. it is less expensive around here to get a whole engine than just the heads,seals,gaskets,etc.. so i want to do an engine swap and turn my SE to a GTP. i need to know what all i need to swap? tranny, computer,?? thanks for any help you can give me
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  2. #2 Re: 3.1 L v6 to a GTP SUper charger, etc engine 
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    You will need a whole new engine. The GTP engine is a 3800 (3.8 L) while yours is a 3100. You will also need the new PCM, most likely need a new tranny and probably new wiring harness. Plus, the SE axles will not be as strong as the GTP ones so they could easily break.
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  3. #3 Re: 3.1 L v6 to a GTP SUper charger, etc engine 
    GTP Level Member SuperSport's Avatar
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    You might hae better luck just trying to find a decent shaped GTP. They can be had for about 3k nowadays.
    2001 Grand Prix GT Coupe
    Comp G Wheels - SS Corners - Infinity Sound - Tint - Digital DIC Swap - 893 Fogs

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  4. #4 Re: 3.1 L v6 to a GTP SUper charger, etc engine 
    SE Level Member 00grandprixgirl's Avatar
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    thats kind of what i figured...i guess i just will get another 3.1 and hope for the best.. should've known better when i found this car on vehix.com and it said it was a GTP and then travelled 75 miles there and saw it wasn't. but i liked the car and how smooth it was...100 miles later, it was dead
    HI!
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  5. #5 Re: 3.1 L v6 to a GTP SUper charger, etc engine 
    The Blue One blueguy's Avatar
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    Yup...that's how they get ya...thick azz oil and you can't hear any sort of sounds...

    3100's are pretty easy to come by...if need be...

    Morad Parts Company - 3800 Motors, Transaxles, & Stock Parts
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  6. #6 Re: 3.1 L v6 to a GTP SUper charger, etc engine 
    SE Level Member ASCStinger's Avatar
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    you could always grab a 3100 block and cobble together an assortment of 3400/3500 heads/lim/uim/tb for some power gains

    The BEST Source For All Your GM 60ºV6 Needs would be an excellent resource if you were going to go that route
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