Horse Sense:Just a reminder, but when modding the Two-Valve 4.6 for 15 pounds of boost or more, besides the forged bottom end bits, you must also fit upgraded oil pump gears. Stock 4.6 oil pump gears ...

Never before has a major sampling of superchargers been gathered and tested, side by side, on the same engine, under the same set of conditions. HOT ROD instigated this blower dyno test to find out ...

When It comes to positive-displacement superchargers, bigger is definitely better. The reason for this oversimplification is that the flow rate of any positive-displacement supercharger (Roots-style ...

Screw blowers use internal compression, lobed blowers use external compression. Screw blowers are more efficient, potentially cutting energy use in half. Resources: Atlas Copco, www.atlascopco.com ...