If you are gonna change the rear axle oil anyway... look at the ring gear. You should see numbers stamped into the ring gear... like 15.41 Then just Just divide big number by little number to get the axle ratio. Example 41 divided by 15 equals 2.73

Thanks to the guy who runs NastyZ28 website. See page for details http://www.nastyz28.com/camaro/zsusp.html#rearaxle

Last edited by pinebluffdude; 01/25/09 07:17 PM. Reason: too long
250 Integrated Head / 1981 C-10 Pick up.