Sometimes theory is neat, but sometimes it fails to describe what actually takes place. The theory of internal combustion engines falls into this category, especially with respect to the function of ...

At Circle Track we have the luxury of spending lots of time with the very best chassis fabricators and engine builders in the racing business. And it doesn't take long to realize that the common bond ...

Last month we showed what gains were available from three aftermarket Three-Valve intake manifolds in naturally aspirated trim. This month we're going to try the same three intakes, only now we'll see ...

For most gearheads, there's nothing quite thrilling like the roar of a tuned engine and the instant kick of improved acceleration. Of course, buying a muscle car to enjoy lots of raw power and torque ...

There is no question that the DOHC 5.0L Coyote engine has taken Mustang performance to new levels, and the spotlight, but if you have a Three-Valve 4.6L, there are still a lot of performance options ...

I think it's safe to say most of us, even those of us uncomfortably car-obsessed, don't spend a lot of time thinking about intake manifolds. I feel like we tend to treat them as just those tubes that ...