New Rear End

I got a new rear end from a '96 Mustang GT. I was wondering if anyone knew how much wider it is than a '93 2.3L Hatchback???? I just tryin to find out what size rims i need to get for the new rear end. Im thinkin of the Mustang GT wheels, heres a pic........
mycar%20driverside%20jul2002.JPG

those are 17x8 Imsure those will fit!
-AJ Newman