My father bought a brand-new Chevrolet HHR SS in 2009. He liked (and still likes, since it remains his daily driver 11 years later) the 2.0L turbocharged direct-injected four-cylinder with 250 horses ...

A sea-change in hot-rod suspensions is sweeping across the scene: replacing conventional metal suspension springs with air springs, often controlled by sophisticated air compressors and self-leveling ...

Every vehicle has its own suspension system, a collection of springs, shocks, and bars that keep the vehicle level and keep the tires on the pavement at all times. Remove a vehicle's suspension, and ...

Air suspension systems have come a long way in recent years, infiltrating the mainstream automotive market after being a niche option on ultra-luxury vehicles. As the name suggests, air suspension ...