In most tests on engines up to 6,500 rpm, a modern high-rise dual-plane intake like this Chevrolet Performance example on a Chevy 350 generates the best overall average torque and power numbers ...

While many car-crazed enthusiasts enjoy spending time researching the options necessary to create the ultimate engine combination, some of us don't have the time-or we don't know how. Fortunately for ...

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 ...