Today a lot of street-legal vehicles and off-road rigs run modern coil spring suspensions. Coil springs in their various formats have a number of advantages over traditional leaf springs and torsion ...

For mild street engines, stock valve springs are more than adequate. But if you've screwed in a big bumpstick for strip-banging or banzai runnin', then pay attention. Our plan was simple: Install a ...

When designing helical or compression springs, you’ll confront several challenges and trade-offs, especially when it comes to getting the best possible performance from the wire. You will want to use ...