Sodium is soft and highly explosive. But sodium-filled exhaust valves are used in one of the hottest parts of a car's motor to cool things off.

Collector cars like the Dodge Viper, VW GTI, and Cadillac XLR are all starting to come down in price and they're special enough to catch our attention.

Five-year-old Volkswagen Golf GTIs can be picked up for less than $20,000 today, making them value options for hot-hatch buyers.

Although forged wheels are lighter than cast alloy wheels and can improve performance, they are more expensive to buy and repair.

The way she sees it, they conducted a "police sting" that basically amounts to entrapment.

The USS Iowa, Wisconsin, Alabama, and Massachusetts are among the eight battleships converted into museums open to the public.

Strokers make their power and torque down low because they increase displacement, and the benefits are available as soon as the engine starts.

Five cool cars that use motorcycle engines are the Morgan 3-Wheeler, the Ariel Atom V8, the Radical SR1 XXR/SR3 XXR, the Caterham Seven, and the Honda N600.

Frank Sinatra supposedly once said, ""You buy a Ferrari when you want to be someone. You buy a Lamborghini when you ARE someone."

While variable valve timing controls when valves open and close, variable valve lift controls how much the valves open and how long they stay open.