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 ...

For the last decade or so, enthusiasts have chosen the popular LS platform over not only the original small-block, but over most other competing engine families as well. Taking over for the original ...

It’s a question as old as hot rodding itself. Is bigger always better? Can the factory equipment support similar power to the aftermarket in certain situations? Does something automatically suck ...

If you're new on the scene, you might be wondering what kind of tubing is attached to the throttle body in all our photos. Well, that's one of AFM's Naturally Aspirated Power Pipes. That's ...