Porting 01 4.6 Heads

**gbic1** · 11-11-2007, 10:43 AM

Anyone have pictures and how well they worked. This is going to be my first try at porting. Up grading a 1996 gt with non pi heads.

**torkum** · 07-27-2008, 06:24 PM

Did you ever get the heads ported and if so what was the results?

**gbic1** · 07-27-2008, 08:17 PM

I dont have a dyno or even a base lnie because we swaped the PI heads from stock and added headers at the same time but it sure runs good now.

**torkum** · 07-28-2008, 04:10 AM

Specs show additional 35hp for the PIs and with headers probably another 15hp with long tubes and 7-8hp with shortys.



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