BrightDrop electric delivery vans (above) as well as Chevrolet Silverado/GMC Sierra pickups from General Motors Co. feature North America’s first composite tension leaf springs (TLS) with progressive ...

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.

No matter how much planning is done project vehicles seem to establish their own direction. Take our Hot Rod Hauler as an example, we had accomplished many of the original goals—lowering the truck on ...

Triangle Suspension Systems Inc. produced the first multi-leaf spring earlier this month at its new short-run plant in Punxsutawney, Pa. Since 1919, the Triangle name has been synonymous with steel ...

If drum brakes and flat-tappet camshafts are old-school technology, then springs are quite literally ancient. In some respects the wooden bows and catapults used by medieval knights to bludgeon their ...

We've often touted the benefits of leaf spring suspensions. Sure, they are simple. Sure, its technology that could be almost 300 years old, and sure, leaf springs aren't terribly fancy. But hey, they ...

Composite leaf springs are not new to the automotive industry. In fact, the leaf spring itself dates back to the horse-drawn carriage. By design, leaf springs absorb vertical vibrations caused by ...