New Heads

phil_the_thrill

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what are the technical differences between PI heads and non PI heads? is it just the size of the flanges? could i get better performance out of ported stock heads on my 98?
 

96sohc

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It all depends..
What are your plans for the car?
 

phil_the_thrill

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i'm not really looking to make a drag car out of it but just be able to run with 99+. i just wanted to know what is more feasible, to do the PI swap or to get my stock heads ported. just wondered what everyones opinions are on it
 

97vertstang

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if u just want to take 99+, just do the pi swap. with the added compression ull be 10rwhp on top of them.
 

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