Internal combustion engines are fairly simply machines. When you break it down, they are nothing more than air pumps. When it comes to making horsepower and torque, the simple fact is the more air you ...

Baseline tests on the stock manifold were done with a 650 Holley carburetor mounted on an adapter plate. Here, writer David Vizard sets the idle mixture being delivered by the electronic Holley. For ...

Form and Function - A Look at Intake Manifold Design: Intake manifolds play a huge part of power production, here’s some of the hows and whys Internal combustion engines are fairly simply machines.