[1969 GMC]

Originally Posted by 68CST327

I don't know if these fit in the HO72 units, but this page lists Eaton diffs in 6.14, 6.50... 7.17 and... 7.60 sizes!! HOLY CRAP!!

http://stores.partseek.com/aatruckpa...ID=161&Level=2

thanks for the help but that is for larger Eaton axles used under bigger trucks.

I do know that you can get as low as 7.17 gears for Dana 60 and 70 axles. pretty crazy stuff.