The ’91 GMC Suburban 2500 that’s the basis for Doomsday Diesel was never offered with a Dana 60 front axle. General Motors used the smaller Dana 44 and GM 10-bolt front axles in its fullsize SUVs.

The Dodge Dana 60 and Chevy Dana 60 ring-and-pinion can be swapped, and here’s what to check and replace.

Building a performance Dana 60 Rearend on a budget in your backyard - Mopar Muscle Magazine ...