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01-15-2003, 02:04 PM

I'd check out this thread. http://forums.mustangworks.com/showt...threadid=33002

3.90s have my vote. I have 3.73s and love them...but if I could do it over...I'd go with the new 3.90s they have available for the 8.8 Mustang rearends. Not sure about the differences with the IRS rear though.

01-15-2003, 02:04 PM	#2
Simi Stang Guest Posts: n/a	GEARS I'd check out this thread. http://forums.mustangworks.com/showt...threadid=33002 3.90s have my vote. I have 3.73s and love them...but if I could do it over...I'd go with the new 3.90s they have available for the 8.8 Mustang rearends. Not sure about the differences with the IRS rear though. Last edited by Simi Stang; 01-15-2003 at 02:19 PM..