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Old 07-06-2009, 08:17 AM   #1
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PI heads

Just wondering if anyone know how much hp i would gain installing a set of 99 PI heads on my 96 gt? is it worth the $ can get a set for $300.
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Old 07-06-2009, 08:09 PM   #2
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Re: PI heads

just the heads alone, 45-50 hp with the intake. if u did the swap with a tune expect 60+. these are rwhp figures.
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Old 07-07-2009, 08:55 AM   #3
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Re: PI heads

Generally they go from 215hp to 285hp (the boost over the 99-04's 260 is due to the higher compression 96-98 gts get with the 99+ heads)

That should put you in the 230-240rwhp range~ there about (17.5% off of 285~). You could do a better upper and such while you are at it or have the heads worked on a bit to push up to 300 at the engine~
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Old 07-07-2009, 08:04 PM   #4
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Re: PI heads

^+1, get some bumpsticks while you are in it.
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