Rear End Tag Defined

massillon preacher · Post by **massillon preacher** » Tue May 30, 2017 1:05 pm

My tag on my dif says the following, can someone help me with defining. I searched site an see some charts but nothing that defines mine to any certainty, it says this.

WDM-S 8JC
3.25 9 313B

TNIceWolf · Post by **TNIceWolf** » Tue May 30, 2017 4:11 pm

most of that is just numbers and letters to me but the 3.25 I am pretty certain is the gear ratio.

Ohiotinkerer · Post by **Ohiotinkerer** » Tue May 30, 2017 4:15 pm

All I'm seeing also is it being identified as a 63-72 F100 9 inch rear end with 3.25 gears - non locking with 28 spline axles......

colnago · Post by **colnago** » Tue May 30, 2017 11:20 pm

Here's a link to Fordification's tech section that might help:

http://www.fordification.com/tech/rearends_ford01.htm

Joseph

Post by **DuckRyder** » Wed May 31, 2017 7:19 am

http://www.fordification.com/tech/rearends_ford04.htm

Here is the page with WDM-S on it.

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Rear End Tag Defined

Rear End Tag Defined

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