Some tips and tricks on how to box the frame and build a custom suspension at home for your vintage 4x4. Longtime readers of Jp magazine might actually remember this 1948 Willys pickup I built back in ...

Spring are mechanical devices that store and apply kinetic energy. They’ve been around a long time and continue to play essential roles in a wide range of machines, vehicles, and engineering tools.

• Stock springs are generally intended for prototyping, and their use in production can compromise designs. • Experts recommend discussing specific design requirements with a spring manufacturer. The ...