An engine configuration where the camshafts are located lower in the engine. Connecting rods and other components are used to operate the valves at the top of the cylinder heads. Read More »
Pillar
All vehicles have A, B and C pillars. They are structural supports that hold the windows in place, support the roof and form the roll cage. The A-pillar holds the front windshield in place. It is in front of the driver and front-passenger doors. The B-pillar is in the center of the car. In a sedan, it is between the ... Read More »
Pulse Vacuum Hublock
This is a new scheme of switching the hubs in a four-wheel-drive vehicle using a pulse of vacuum rather than electrical solenoids, which are heavier and more prone to failure. Read More »
Nelson Piquet
Is a three-time, World Driving Champion from Brazil and is considered one of the all-time great Formula One drivers. Read More »
Power To Weight Ratio
This is the relationship between horsepower and the weight of the car. The greater the horsepower is in relation to the weight of the car, the faster the car will go and the faster it will accelerate. Read More »
Pit Road
Also Pit Lane, the paved roadway that leads into the pit area from the racetrack. Read More »
Power Oversteer
In a rear-wheel-drive vehicle, a skid caused by applying too much power and causing the rear wheels to spin. Read More »