Differential tag; am I reading it wrong? - MustangForums.com

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Old 06-10-2013, 12:33 PM   #1  
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Default Differential tag; am I reading it wrong?

Hey guys so I'm doing a gear swap on my rear end and I wanted to know what sort of differential is already on it so I looked up the tag online but it's not making sense.

The car is a 92 mustang, but I know a lot is not original. I tested the gear before I took it out and I know it is a 3.27.

Tag: 3L27 88 9K04

According to the decoder:
Traction Lock

But I read in a book that Traction Lock was first an option on the 1981 car, and that the 8.8 wasn't even put in mustangs until 1986.

Whaaat? Can anyone help?

This is what I used: http://www.foureyedpride.com/joom/in...d=24&Itemid=40
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Old 06-10-2013, 05:06 PM   #2  
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Location: IA
Posts: 258

9 also corresponds with 1989. They didn't use letters to distinguish between decades on axle codes.
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