An internal combustion engine is like a big air pump, and the more air you can get it to pump, the more torque and horsepower it will make. Things like bigger camshafts, aftermarket intakes and ...

Our mechanic takes us through the cylinder head and valve train and continues his explanation of how engines really work. The Mechanic is the kind of chap who eat, sleeps and breathes engineering.

"After many years of involvement with the early automobile manufacturers, Harry Weslake founded Weslake and Company in 1934 to act as consultants to the makers of internal combustion engines. Over the ...

Four-valve-cylinder-head technology is the current darling of the O.E.M. auto industry, primarily because it allows manufacturers to increase power without using a turbocharger or experiencing the ...

When the first modular motor-powered Mustang rolled off the assembly line and on to dealership lots in 1996, it had the same great looks, but the standard V-8 was a Two-Valve mod motor displacing 4.6L ...