Thread: Nitrous Guys Step In!!

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  1. #1 Re: Nitrous Guys Step In!! 
    TDCRacing
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    Quote Originally Posted by BADAZGTP View Post
    but said it was because GM shaved the tops of the GT pistons to lower compression for the GTP. .

    Thats the problem...the stock gt pistons are hypertunic (sp?) the gtp's are already forged....running any kind of power adder on non-forged pistons can couse this...especially nos
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  2. #2 Re: Nitrous Guys Step In!! 
    Donating Users BADAZGTP's Avatar
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    Quote Originally Posted by TDCRacing View Post
    Thats the problem...the stock gt pistons are hypertunic (sp?) the gtp's are already forged....running any kind of power adder on non-forged pistons can couse this...especially nos
    So let me see if i got this right. Our GTP's already come with forged pistons? So is it a waste of money to buy aftermarket forged pistons? Or is there a difference? I haven't gotten into doing any piston research yet, so I don't know anything of the factory or aftermarket pistons.
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  3. #3 Re: Nitrous Guys Step In!! 
    TDCRacing
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    Correct. The GTP's already have forged pistons because they come from the factory with a supercharger. im sure the aftermarket ones may be a little bit stronger but the main reason some one would get aftermarket pistons would be to change the compresion ratio.
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  4. #4 Re: Nitrous Guys Step In!! 
    TDCRacing
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    Would stock timing tables be all i could use with nitrous? and then if the shot was big enough i would have to retard the stock timing to lower than stock?
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  5. #5 Re: Nitrous Guys Step In!! 
    Donating Users BADAZGTP's Avatar
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    Quote Originally Posted by TDCRacing View Post
    Correct. The GTP's already have forged pistons because they come from the factory with a supercharger. im sure the aftermarket ones may be a little bit stronger but the main reason some one would get aftermarket pistons would be to change the compresion ratio.
    Thanks for the info. Ilearned something new today. I was always told that the GTP had the same piston as the GT, just shaved down. Glad I know what is accually going on inside my motor. Thanks again.
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  6. #6 Re: Nitrous Guys Step In!! 
    TDCRacing
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    Yup no problem, People are running around 13-18 psi on the stock s/c setup (wich is probably around a 2.8) on stock pistons and stock head gaskets easy...That would not happen on non- forged pistons. They would proabably just shatter lol


    matter of fact i dont know of any cars that were s/c that didnt come with forged pistons. I know for a fact the 87-93 mustangs came with forged pistons (even the 86 svo 4cyl turbo charged) and i know the newer svt cobra's with the roots style s/c like we have also came with forged pistons...
    Last edited by TDCRacing; 05-25-2008 at 11:43 PM.
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  7. #7 Re: Nitrous Guys Step In!! 
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    Quote Originally Posted by TDCRacing View Post
    Thats the problem...the stock gt pistons are hypertunic (sp?) the gtp's are already forged....
    Where did you get this information exactly?
    Cheap, Fast, Reliable... you can only pick two
    http://www.cnfcgp.com/
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