This should settle the "coil spring" question
I stumbled across a thread on one of the Cummins forums where several members posted pictures of their coil sprung Ram 2500s loaded with various weights. HERE IT IS
Forum Discussion
APT wrote:
The problem with the half tons is the spring rate, not the type of spring. Ram just proves that with the 2500 gasser IRS with clearly higher rates and capacity.
Agreed, but some under educated folks don't understand the nuances of spring design. Oh, and my truck doesn't have IRS. It's still a solid axle :)
