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I have a 8.5 rearend out of a 86 442, so I was told. I measured it and all the measurements are the same as my stock 7.5 but would like to know what I have for sure. It is a peg leg unit w/3:73 gears and the code on the axle tube is: 6TF GO 13 does this match anything that you have cuz I couldn't find a match anywhere.

Well all I could come up with was a SS monte carlo code for that. Open 3.73 NON Posi.

If you send a picture of the cover I can certainly ID the size of the rear for it. Jim