A heads up to anybody aboard their Katoom of choice: It sounds like Kraftfahrzeug Trunkenpolz Mattighofen will soon be playing around with composite leaf spring suspension on her motocross offerings.

Getting rid of the coil lets Porsche lower the strut tower. That allows different styling, and Porsche says it can even help ...

Peterbilt Motors Co. on Wednesday, Oct. 29, began full-production of its new front air leaf suspension. The company says its proprietary front air leaf suspension — now available for customer order on ...

Peterbilt began fullproduction of its new Front Air Leaf Suspension and made it available for customer order on Peterbilt Models 384, 386, 388 and 389. The Front Air Leaf Suspension has a lower spring ...

Automotive design has come a long way since Karl Benz designed the Patent Motorwagen in the late 1800s, and Henry Ford brought the T-4 powered Model T to the masses in 1908. Those early cars were ...

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 ...

at the 2008 Mid-America Trucking Show in Louisville, Ky. Peterbilt's proprietary Front Air Leaf Suspension is a front suspension with an innovative design and high-performance components that delivers ...

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.

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.

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 ...