MustangWorks.com : Ford Forums - View Single Post - What porting for GT-40 heads?

R302stang · 04-04-2002, 07:48 PM

Red82GT:
How much power gain can you expect with ported GT40 Irons? I have a ported Cobra intake, but am looking on a set of ported gt40's. If not to much of a power gain from ported gt40's I will probably look into the AFR 165's.

04-04-2002, 07:48 PM	#7
R302stang Registered Member Join Date: Apr 2002 Location: Michigan Posts: 6	Red82GT: How much power gain can you expect with ported GT40 Irons? I have a ported Cobra intake, but am looking on a set of ported gt40's. If not to much of a power gain from ported gt40's I will probably look into the AFR 165's.