alnukem

I have a 81 4 speed car, it has the 2.72 gears. I have a Doug Nash 5 speed in it & have found a few 3.07 differentials from automatics. So a few questions;

1) Are the auto & the manual housings the same?

2) Are both auto & manual differentials "Dana 44"?

3) Are all 82 stub axles the same as 80-82 manual stub axles?

4) Are there differences in the Front Yoke between autos & manuals?

5) Any other differences that would sacrifice strength by using a rear from a auto?

This information seems to be tough to find. Any help would be greatly appreciated!

tracdogg2

1. Yes
2. Yes
3. Yes
4. No
5. No. As long as it comes from an 82 automatic. The only difference is the stub axles. Be sure to check for a worn cross shaft and stripped clutches on the right side.
Mike

redvetracr

If you or anyone else is interested I have a rear end out of an 80 available, you will find it here...

http://forums.corvetteforum.com/c3-p...tte-stuff.html

alnukem

Thank you sir! I thought I was barking up the right tree! Are you the fellow that sells the steel caps?

alnukem

I PM'd my contact info. Thanks, Tim

alnukem

Thanks to everyone! I guess to make this thread more inclusive, here are what I can find on the gear ratios

1980 Auto & Manual 3.07

1981 Auto 2.87(OJ) Manual 2.72(OK)

1982 Auto Only 2.72 Standard Wheels(OA)
2.87 Aluminum Wheels(OF)

tracdogg2

Yep, you found me.
Mike

qwank

I think if you ordered the high performance gears with a manual in '81 you got a 2.87 also. it was a very rare option though.

alnukem

Thanks everyone for your help with this thread. I did find a 80 manual with the 3.07's.