Passenger space is limited to two people. Concentrating the weight in the center of the car improves handling. The conventional sports coupe's engine is in the front of the car, driving either the front or rear wheels. This layout reduces production costs, but luggage space and rear seat room are sacrificed for the sporty styling. Vans have engines located in either the front or the rear.
Contemporary sedans have the engine in the front driving the front or rear axle.
Cylinder A cylinder is a round hole through the block, bored to receive a piston. These multiple cylinders are arranged in-line, opposed, or in a V. Engines for other purposes, such as aviation, are arranged in other assorted forms. The first four cylinder engine with a sliding transmission was in the 1907 Buick. Oil Seals Oil seals are rubber and metal composite items. They are generally mounted at the end of shafts.