Spring-over conversions aren't exactly new to four-wheelers, but this type of suspension has never achieved anywhere near the cult status of the ubiquitous 4-inch lift kit. For many people, it seems ...

Longtime readers of Jp magazine might actually remember this 1948 Willys pickup I built back in the mid/late 2000s. I called it "Murderous Overkill," but not a lot of those stories transferred over ...

Fifty years is a long time, especially for a vehicle's suspension components. Although the shocks get replaced regularly, leaf springs are rarely given much thought—unless you want to lower the ...

It is said that the leaf-spring suspension is the oldest suspension used for automobiles. The leaf-spring system was used more recently in '70s production cars, some of which are still in service ...

For the most part, every new, super-exclusive, track-friendly supercar comes with some sort of carbon fiber, pushrod rear suspension. It’s lightweight, it’s complex, and it’s on display under the rear ...

Every vocational truck suspension option comes with its own unique performance trade-offs. The best choice requires an understanding of how the trade-offs match up to your application requirements.

Self-help gurus have made an industry out of reminding humans they can’t be everything to everyone, but the message is lost on the manufacturers of SUVs and crossovers. As the market continues to tilt ...

Every vocational truck suspension option comes with its own unique performance trade-offs. The best choice requires an understanding of how the trade-offs match up to your application requirements.

What Is An Air Suspension? How Do Air Suspension Systems Work? How does ride height affect spring rate? From a mechanical standpoint, you would want higher spring rates as the vehicle is lowered to ...