When it comes to upgrading the rear suspension on a classic truck, there are number of options to be had, ranging from the mild (new springs and shocks) to the wild (independent rear suspension).

Classic Mopars were considered ahead of their time in many ways, thanks to superb engineering and a dedication by the Chrysler Corporation to building the best performance cars of the muscle car era.

Suspension handling is always a compromise between a good ride and good performance. Today's systems can provide both, but a little understanding of what factors affect spring rate can help you ...