Tongue Weight is the additional weight the trailer adds to total weight of the tow vehicle. Read More »

Instead of the tempered metal rod being coiled, this springing member is firmly anchored at one end on the vehicle frame, and affixed to the suspension, aligned with the pivot line. Thus, as the wheel moves, the rod/bar twists, providing springing support. Read More »

The twisting back roads you can find in almost any state. The two lane roads that bring a sports car to life as you master the turns, curves and switchbacks. Read More »

The amount of weight in pounds of an external trailer that a vehicle can pull. Read More »

A gearbox that distributes power to the front and rear axles of a four-wheel-drive vehicle. Depending on how the vehicle is designed and equipped, a transfer case may allow shifting between two-wheel-drive, full-time four-wheel-drive, part-time four-wheel-drive, and four-wheel-drive low range. Read More »

Sticking to the ground or getting a grip on the road. If you don’t have traction when you are driving, your wheels are just spinning. Your tires won’t be transferring the car’s power to the road and you won’t get the full benefit of the work the engine in doing. If you completely lose traction (like on water) you won’t ... Read More »

A diesel engine fitted with a turbocharger. Read More »

A mechanism that includes the gears, linking the power produced by the engine to the drive wheels. Read More »

Equipment which secures someone who uses a wheelchair to the floor of the van or bus. There are many kinds of devices used including brackets, straps, wheel locks and belts. Read More »

$6 per $1000 of car value levied annually in Washington State (and others) to support trauma units in hospitals that care predominantly for car crash victims. Read More »