MustangWorks.com : Ford Forums - View Single Post

Rick 91GT · 09-11-2001, 12:27 AM

I beleive the cast iron GT40's will flow close to if not more thenwhat the Power Heads do but, they (Gt40) can be ported, where as the Power Heads are maxed out, fully ported.

09-11-2001, 12:27 AM	#8
Rick 91GT Procharged! Join Date: May 1999 Location: Hanover, PA Posts: 1,539	I beleive the cast iron GT40's will flow close to if not more thenwhat the Power Heads do but, they (Gt40) can be ported, where as the Power Heads are maxed out, fully ported.