Picked up the rear end, and opened up the cover and counted ring gear teeth. 41 teeth. Couldn't get to the pinion to count, so I removed the 3rd member (gonna have to anyway) and still can't get to the pinion to count teeth. The 4 bolts that hold the pinion in place, if they are removed, and the yoke and pinion come out, do I have to set the gears back up?

Looked for stampings on the ring gear - found the following:
10:41 GM and 3 71. It is from a 71 chevy, so perhaps the 3 71 is a date stamping. Can anyone derive anything from the other stamping? Here's to hoping that it can be derived from that and that 10:41 translates into 4.10:1. Thanks


Last edited by aggie jon; 07/01/2011 8:46 PM. Reason: to correct # teeth in ring gear.