These sprockets are equipped with slots where they bolt to the cam allowing adjustment clockwise or counter clockwise (retard or advance timing). The term “dial in a cam” refers to the procedure for ...

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 tough guy in you says to stab that cam in retarded a few degrees for maximum top-end horsepower, while your more practical alter ego suggests advancing it a hair for improved low-end torque and ...

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 ...

Optimized valve timing improves fuel economy and power output Advanced technology meets Tier 4 North American emission standards Strengthens long-term relationship between BorgWarner and major East ...