Switching from 8-1/4" to 8-3/4" rear ?

RPMagoo said
-- Already have 5 X 4.5 BBP, installed, and running. -- Thanks for the info.

So ya have an abody 8 3/4 with large bolt all ready to go?

Rear will bolt right in. I'd use new ubolts. Need to shorten the drive shaft I believe and make sure the rubber brake line will work.

What's wrong with the 8 1/4?