Time was when a valve job was done with some valve-grinding compound and a vacuum cup on a stick. But no more. Today's high performance engines require the same machining precision in the valves that ...

For Part I, covering the new combustion system, direct injection, and active fuel management: click here. For Part III, covering the block, crankshaft and lubrication systems: click here. Continuing ...

A small gap with big importance in the performance and health of an engine - here's everything you need to know.

When it comes to the many variables of combustion inside an engine, engineers measure the timing of key events in degrees of crankshaft rotation, a relative frame of reference that remains constant ...

In this month's Power Principles installment, we conclude our series on engine building basics. In the Feb. '12 issue of MM&F, we stressed the importance of developing a clear, underlying goal as far ...