Typically, when one pictures a passenger car engine with two heads, the first thought that comes to mind is a V6. These ubiquitous engines are almost universally found within just about every major ...

Subaru says its 35-hp EH90 and 40-hp EH99 (pictured) engines meet a growing demand for larger, air-cooled gasoline engines that deliver increased power for a wider range of applications. The engines ...

At the HOT ROD How-To section, you’ll learn how to make improvements to your own special hot rod, drawing from the DIY knowledge of the HOT ROD team to learn more about how-to make more power from ...

Hall sensors are easy to wire, as they have no polarity. Simply connect the sensor's signal wire to any digital input on your ECU. Connect the ground pin to a sensor ground on the ECU, and the power ...