4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

How to tell apart P.I. heads and non P.I. heads

Old 06-06-2008, 06:35 PM
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Js04sILVerBullet
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Default How to tell apart P.I. heads and non P.I. heads

Just like the title sais. There is a guy locally that is selling what he claims to be P.I. heads off of a 2001 mustang that he had bought for his 96 GT.

But I just want to make sure Im not buying non P.I. heads since my plan is to buy an extra set of P.I. heads to have ported with my cam install on my 04 GT...thanks
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Old 06-06-2008, 06:39 PM
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oxfordgt
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Default RE: How to tell apart P.I. heads and non P.I. heads

Round intake runners are nonpi square intake runners are pi
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