I have recorded these numbers & letters off the housing! Around outside perimeter: GM 18 K In middle of drivers side housing: J 29 2 Under that 26027171 N Somebody told me that it is a 3.42 ratio Posi-Traction! Anybody know for sure????????
This was the only thing worth mentioning from Google. I didn't look through all 6 pages, but the first post has a few listed.
Russ
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