Engine main bearings In a piston engine, the main bearings are the bearings on which the crankshaft rotates, usually plain or journal bearings. The bearings hold the crankshaft ...

Big End Crankpin Journals In a reciprocating engine, the crankpins, also known as crank journals are the journals of the big end bearings, at the ends of the connecting rods ...

Engine Cam follower In automotive terms a cam follower may also refer to a tappet (or lifter) or rocker arm. A cam follower, also known as a track follower, is a specialized type ...

Camshaft A camshaft is a shaft to which a cam is fastened or of which a cam forms an integral part. History An early cam was built into Hellenistic water-driven automata from the ...

Car Engine Runs Rough or Misfires Car engine running poorly at idle only and under power? Or does the engine run fine and it's just the engine idle condition that is the problem. ...

Engine Compression ratio The compression ratio of an internal-combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion ...