The cam is a rotating piece in the engine of a vehicle that transforms linear motion into rotary motion and vice versa. The shaft around which the cam rotates is called the cam shaft. The operation of the cam shaft is extremely crucial in the performance of the engine.

The cams or lobes in the shaft push against the valves that allow the passage of air and fuel mixture in and out of the engine. The cam shafts rotate to open and close these valves in rhythm with the motion of the piston. The shape of the cam lobes influences the performance of the engine at different speed levels.

Different engine layouts have different cams. These affect the performance of the engine differently at different speeds. There are generally three different kinds of cams on engines – single overhead cam (SOHC) and double overhead cam (DOHC) and pushrods. A particular camshaft will be perfectly suitable at only a particular engine speed.

So, different cam profiles are needed for different engine speeds. The faster the engine moves, the faster the air and fuel mixture moves. So, preferably, the valves need to be open wider and for a longer period of time at higher speeds in order to improve the performance of the engine. The different shapes of the lobes help in this.

If you would like to know more about the cam shaft in your engine, do visit the New Jersey State Auto Auction or have a look at their website today.

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New Jersey State Auto Auction

406 Sip Avenue

Jersey City, New Jersey 07306

Phone: 201.355.4138

Website: www.NJStateAuto.com