mustang35thann Founding Member Jun 2, 2002 354 0 0 Rochester, NY Jan 25, 2004 #1 Jan 25, 2004 #1 I saw that Sean Hyland Motorsports has new PI heads which are ported and polished. Has anyone installed these heads on a 99+ GT? If so, what power results have you seen? Thanks; Mike
I saw that Sean Hyland Motorsports has new PI heads which are ported and polished. Has anyone installed these heads on a 99+ GT? If so, what power results have you seen? Thanks; Mike
