Input Shaft Identification

Fig 1: Input Shaft

Courtesy of GENERAL MOTORS COMPANY

The first design input shaft can be identified as a 56 tooth design with an outside diameter (a) of 91.4 mm (3.60 in) and two oil drain holes 180 degrees apart.

The second design input shaft can be identified as a 53 tooth design with an outside diameter (a) of 87.50 mm (3.44 in) and three oil drain holes 120 degrees apart.