Today's low-octane unleaded gas mandates a compression ratio reduction for '60s supercars. The easiest way to lower compression is usually to swap on late-model heads; not only do their larger ...

The Volkswagen Beetle dates back to World War II, when Adolf Hitler wanted a "people's car" and enlisted Ferdinand Porsche to design the Type I that was first imported to the United States in 1949. VW ...

Heavy-duty pickups and long-haul trucks rely on torquey diesel engines that are more economical, reliable, durable, and have a more straightforward construction than a comparable unleaded gas engine.