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-   -   Differential Decoding Help? (http://www.hotrodders.com/forum/differential-decoding-help-224639.html)

Tattooed_Pinup_Girl 10-03-2012 08:48 PM

Differential Decoding Help?
 
Hello! I was hoping someone could help me decode the stamping marks on my differential. It's been painted over, and the original metal tag (if there was one) is gone, so this is all I have:

I THINK this is what they say, feel free to correct!

DIF 41
4868A
C5??
3417

Here are the links to some pics if they help too:

http://i1255.photobucket.com/albums/...ps6460eb57.jpg

http://i1255.photobucket.com/albums/...ps4ccee0bd.jpg

http://i1255.photobucket.com/albums/...pse0946760.jpg

Thanks for any help you can offer me! Just bought the car and trying to figure out what everything is :sweat:

SSedan64 10-04-2012 05:26 AM

Those are Casting Numbers & Dates. They wont tell you the gear ratio.
It looks like a 9" inch Ford to me.
For ratio Info, you'll have to count the Pinion & Ring gear teeth & divide Ring by Pinion teeth #.
Can also rotate the tires 1 revolution & count the Driveshaft revolutions if Posi Diff. If Open Diff rotate 1 tire 2 revolutions & count DS revs.
Tag codes >> Ford Rear Axle Assembly Identification - Page 01 - FORDification.com
Other IDs >> http://www.maliburacing.com/ford_9_i..._nine_inch.htm

AutoGear 10-04-2012 08:42 AM

For my own curiosity, whats this in anyway?

cobalt327 10-05-2012 08:28 AM

Quote:

Originally Posted by Tattooed_Pinup_Girl (Post 1595959)
Hello! I was hoping someone could help me decode the stamping marks on my differential.

Links to info on ID'ing the rearend can be found here. Good luck.


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