The debate over long-arm versus short-arm suspension is a seemingly never-ending bench race that centers on the pros and cons of suspension control arm lengths.

The more vertical wheel travel you expect your Jeep to have, the longer your radius arms should be. As a radius arm suspension cycles, the steering caster and pinion angle change.

The use of torsion bars was not widely accepted. At the time, only Chrysler's cars used torsion bars with IFS. By 1963, GM light trucks adopted double A-arm front suspension with coil springs.