http://www.drivetrain.com/parts_catalog/ring_and_pinions/gm_8.5_ring_and_pinions.html

Tech Note:

When replacing 2.56 and numerically lower ratio gear sets with a 2.73 or higher gear, the case must be changed to a 2.73 and higher case.




Joe

Last edited by Joe H; 02/13/2011 12:10 AM.
1937 Chevrolet Inline-powered Streetrod