R robt978 New Member Sep 2, 2008 13 0 0 Sep 24, 2008 #1 Sep 24, 2008 #1 I have a 2003 mustang gt 5spd, and to email a custom tune I need to know my stock rear-end gear ratio, I thought it was 3.27, but I want to make sure, do you guys know? (I did search for this on the forums before posting, sorry if it's a re-post)
I have a 2003 mustang gt 5spd, and to email a custom tune I need to know my stock rear-end gear ratio, I thought it was 3.27, but I want to make sure, do you guys know? (I did search for this on the forums before posting, sorry if it's a re-post)
BurningRubber 10 Year Member Dec 6, 2004 1,865 24 58 Sep 24, 2008 #2 Sep 24, 2008 #2 Yep, 3.27 is the stock ratio.