If you are any kind of gearhead or have worked with engines for even a little while, then you are likely familiar with the rules of thumb when it comes to intake manifolds and horsepower. The main ...

The intake manifold distributes air or air/fuel mixtures to the individual cylinders under varying engine speeds, loads, and environmental conditions. Whether the working flow is pure air, air/fuel, ...

The question of which is better, carburetion or fuel injection, really comes down to cost versus performance. Overall, more torque can usually be produced by a longer ...

The length of an intake runner has a pretty significant effect on the way an engine delivers power. In simple terms, longer runners help generate better low-end torque, short runners provide high-rpm ...

Engine science isn’t quite a lost art, but it’s something that is much more understood than it used to be. Now, engines are incredibly talented at everything thanks to innovations in combustion ...

Horse Sense:Though we tested all these intakes on a purpose-built NMRA Real Street car, the intakes legal for the class are limited. They are as follows: Stock 5.0 and Two-Valve 4.6 EFI intake, Ford ...