MustangForums.com - Silly question

MustangForums.com (https://mustangforums.com/forum/index.php)

- 4.6L (1996-2004 Modular) Mustang (https://mustangforums.com/forum/4-6l-1996-2004-modular-mustang-7/)

- - Silly question (https://mustangforums.com/forum/4-6l-1996-2004-modular-mustang/166983-silly-question.html)

VIStanger

08-16-2006 12:17 AM

Silly question

What does PI and non PI heads mean? I know PI heads are stock 99+ but what does PI stand for?

THANKS! :D

Bterry97gt

08-16-2006 12:21 AM

RE: Silly question

performance improved

All times are GMT -5. The time now is 01:53 AM.