Would anyone know if there could be a Dana 80 in an '01 2500. I'm trying to buy a Detroit locker from a guy, and I'm sure I have a 70. He claims his is an 80? Any help would be appreciated.
Thanks.

 

I believe the 01 sticks had a Dana 80 and the autos had a 70

 

FYI I believe that the only difference between the two differentials is that the bolt pattern on the 80 is slightly larger in diameter. If it's a good enough deal and you have the talent it could probably be used. The important thing would be to make sure that the diameter of the shoulder on the locker is the same as the interior diameter of your ring gear. That shoulder is what would keep the ring gear concentric for a good installation.

 

My 2000 2500 5 spd. has an 80 as I found out this week with the probs concerning the pinion nut. (see Diff. probs, help) ---O. G. Randle

 

I have a dana 80 in my 01 6 speed and I couldnt' find a detroit locker for a 80 so ended up using one for a 70

 

Rollinsmoke. How did you go about doing this, I would like to try it. Any machining need done?
CJ

 

Did he check the stamped coupon or is it missing?

Jim