Idler pulleys simply guide an accessory belt around its intended path, while tensioner pulleys ensure the belt remains taut.

The two convertible Toyota 2000GTs were built specifically for the James Bond film You Only Live Twice, and never went on sale.

If you want to spend less on gas, Consumer Reports says vehicles like the Ford Maverick Hybrid, the Kia Niro EX, and the Toyota Prius XLE AWD are your best bet.

Most common is the chassis dynamometer. It measures a car's output via sensors connected to two or four large rollers spun by the car's wheels.

What happens to all those IndyCar tires after a race isn't too different from what happens in NASCAR or F1. They get shredded and recycled.

The differences between Honda's B-Series and K-Series engines are vast. The B-Series is easier to swap while the K-Series is more powerful.

In the '60s, American Motorcyclist Association rules put British bike makers at a racing disadvantage. Changing those regs led to a great racing bike.

Volvo's redblock engine is basically Sweden's Chevy small-block thanks to its durability, capability, and versatility in modding.

Unlike the Vintage Gold Automatic, the Western Mechanical Chrono uses a cheap Seagull automatic movement, which means it will be far less accurate, while also being less reliable. The Western ...

There's a roadmap laid out to revive the brand that'll be revealed during an upcoming investor presentation in May.

The difference between platinum and double platinum spark plugs comes from their electrodes. Double platinum uses the metal in the center and ground electrodes.

Few things are more frustrating than losing a tool. You need this Harbor Freight setup to keep your gear organized and within reach.