The language of import performance can be strange. Sometimes it's a verbal stew of numbers and letters--RX-8, NSX, and MR2, for example--that seem randomly tossed together. At other times it adopts ...

Last month's "How It Works" story gave you the basics of the four-stroke cycle, describing the motion of the intake and exhaust valves in relation to the piston moving up and down in the cylinder.

The camshaft has to be one of the most complex subjects in car tuning. But what do cams actually do? We’ll be answering that and everything else you need to know about them in this guide. Well, to put ...