I just went through this on a 1969 B body Dana 60, you have to replace the spider gears and the cups they ride in Dr Diff sells a kit for that :thumb I bought that kit and axles as well as his deluxe disc brake kit
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Dr Diff sells a kit for that :thumb I bought that kit and axles as well as his deluxe disc brake kit 
