New 7.5 Rear Posi 2.73

[RITTER]

Post a picture of the rear-center section of the rear end housing, we'll tell you if it's an 8.5" or 7.5" rear

 

[njRegal86]

the file size is to big but the numbers are 6 or 8DN and the other numbers are K2 or KZ89.

 

[RITTER]

http://images.chevyhiperformance.com/te ... _large.jpg

Identify the casting design at the bottom of your rear end housing. The 8.5" rear will have the squared off corners ...





...the 7.5" rear will have little "fangs"

http://www.maliburacing.com/rearend/GM10-Bolt-75.jpg

 

[njRegal86]

I doesnt have squared off corners and it doesnt even have fangs either.

 

[RITTER]

:|

Now we definitely need pictures

 

[455'ed80Regal]

I doesnt have squared off corners and it doesnt even have fangs either.

From your description is sounds like you got an 8.2 chevy rear.