Horsepower and torque are all about cylinder pressure. Compression ratio, cam timing, cylinder head flow, and all the rest of the goodies that go into an engine aren't worth much if what enters the ...

Fuel economy is a top concern these days as automakers, suppliers and consumers alike strive to stretch every drop of petroleum as far as possible. Cylinder deactivation is a key way of bolstering the ...

The art of creating great cylinder heads includes many different things, but a large portion of it comes from lots of time spent with a grinder in hand and in front of a flow bench, determining just ...