S10 Donor Info - Brake/Diff

davew · **Posted:** Sat Jun 25, 2011 10:14 pm

Geoff
My old S-10 shop manual say

The UBS is the axle ratio code

The C is for the Buffalo plant

The 293 Is the julian Date

The 1 is 1st shift

The 3.41 is the standard ratio for the "s" truck.
Dave W

geofffinlay · **Joined:** Thu Dec 31, 2009 11:17 pm **Posts:** 175

Dave,
You're a peach. Thanks for the info. I'm assuming that 293 is Feb '93.

Geoff

davew · **Posted:** Mon Jun 27, 2011 6:59 am

293 is the 293rd day of the year.
Dave W

geofffinlay · **Joined:** Thu Dec 31, 2009 11:17 pm **Posts:** 175

Dave,
Without your incredible attention to detail, we'd all be lost out here :roll:

It's nice to know what day of the year it was made on, but what year was that?

Geoff :mrgreen:

davew · **Posted:** Tue Jun 28, 2011 6:47 am

Geoff
Can't tell by the casting numbers, Typical there is a steel tag attached to the upper RH bolt on the axle cover. That my give an indication, or it can be traced by the serieal numbers on the ring gear.
Dave W

geofffinlay · **Joined:** Thu Dec 31, 2009 11:17 pm **Posts:** 175

Dave,
I saw where the tag was. Just a little piece left under the bolt. I do have the diff out so I'll take a look at the serial number on the ring gear.

Cheers

Geoff

LocostUSA.com

S10 Donor Info - Brake/Diff

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