Originally Posted by Ironman
Tippy, a Dana 30 will not support anything lower than a 4.88 just an FYI
Depends on the Dana 30.
The TJ/XJ/ZJ/WJ low pinion will only go to 4.88.
The YJ/XJ high pinion will only go to 4.88.
The CJ will go to 5.38, but has no options between 4.88 and 5.38.