Yes, you have a 8.8" if it's a 5.0
Gear ratio is (check door tag under AX.)
m=2.73
z=3.08
e=3.27
Not sure of change year but '87+ stangs are 8.8
------------------
4.10's,long tubes & 75 shot...Goes 12.50's
Check it out at
http://www.burnouts.webprovider.com