Variable valve timing and variable valve lift may sound similar, but they're entirely different. Here are the differences between them and how they work.

Variable Valve Timing isn’t a new concept in motorcycle engines. The likes of BMW and Yamaha have been using this setup in their motorcycles for a while now. Even Suzuki itself implemented it on the ...

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 ...

Nissan has recently patented a new variable valve timing (VVT) mechanism for use in series hybrids. The unit looks like it could eventually be attached to the brand’s “e-Power” vehicles with an ...

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 ...