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-   -   How to find readend gear ratio on housing of GM S-10 10 bolt. (http://www.hotrodders.com/forum/how-find-readend-gear-ratio-housing-gm-s-10-10-a-132373.html)

Cal Combs 01-26-2008 03:09 PM

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

Vortech 4.3 01-27-2008 09:11 AM

the numbers should be on the gears, not the housing. afaik anyway.

to get a real close #. i mark the pinion and axle/tire. then turn the pinion and count how many times it goes around, to make 1 turn on the axle/tire.

speedydeedy 01-27-2008 09:51 AM

I have 2 S10s and both have 3.42 gears. If you call the dealership with your VIN# they will tell you what the truck came with.

S10xGN 01-27-2008 10:09 AM

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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