Thread: boost??

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  1. #1 boost?? 
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    How much boost will i get with a 3.4 inch pulley?
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  2. #2 Re: boost?? 
    Donating Users ROTTMAN's Avatar
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    I have a 3.5 and Im getting 10 psi with no kr.
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  3. #3 Re: boost?? 
    DUI BABY Bio248's Avatar
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    if you have a correctly modded car you should be getting around 10-11 psi.

    but, if youre more extensively modded you may make less. you will make more if you dont have any flow mods. boost level is all relative to how much your engine flows.
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  4. #4 Re: boost?? 
    TDCRacing
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    Usually you can add one PSI for every 0.1 pulley size you drop. But like Nick said it all depends on what exhaust size you have ect. Stock PSI is about 7-8 PSI
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  5. #5 Re: boost?? 
    DUI BABY Bio248's Avatar
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    if i could run a 3.0 pulley and have about 8 pounds of boost i would LOVE IT.
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  6. #6 Re: boost?? 
    The Blue One blueguy's Avatar
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    I ran a 3.2" with about 10-11psi...but there is a kid around here with a 3.4" and it cracked 15-16psi everytime he went WOT...and he has supporting mods too...insane
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