what rear end?

[buckethead]

since i dont know much about rear ends, i need to know which one is in my 1991 4.3l with the 700r4. or at least tell me how to get the number i.e. 7.625, 7.5 etc. I know it is a 10 bolt.

[wild85]

It is the 7.625 rear with 28 spline axles.

[buckethead]

aight thanks man