The Omni-Power Pro-4 sport injection "was designed for the serious enthusiast and professional racer to maximize their engine's horsepower, torque, and throttle response," says Steve Rothenbuehler, ...

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 ...

An upgrade to a premium air intake manifold delivers significant performance breakthroughs to enthusiasts who care about vehicle enhancement. All car owners who drive 6.7 Cummins diesel engines and ...