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How to find readend gear ratio on housing of GM S-10 10 bolt.

9K views 3 replies 4 participants last post by  S10xGN 
#1 ·
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????????
 
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