help needed

[my85buick]

what would i mesure to find if i have and 8.5 rear end?also would an 8.5 from a 91 caprice fit my 85 buick regal? any info helpful

 

[Quick6'n'-K.C.]

Look under the car, below the pumpkin is 2 triangles..... 8.5 is flat
7.5 looks like fangs

http://www.oldsmobility.com/10bolt-tech.htm

Guts will work.
BW

 

[my85buick]

do you know if a 8.5 from a 91 caprice will fit in a 85 buick regal?

 

[my85buick]

will the guts from an 8.5 fit and work in a 7.5?

 

[mybuick]

the guts won't work hince the 8.5 inch to the 7.5 inch ring gear size.

 

[1BUICKGN]

Caprice 8.5

I Have Heard That The Police Package Caprice Has A 8.5 With 30 Spline Axles With Rear Disc.