The controversy between carburetors and EFI has always been about complexity and price. Carburetors are simple—EFI is not. Carburetors are cheap—or at least cheaper than EFI. Those points have not ...

This is the twin TBI setup attached to the top of the new cross-ram manifold. Note that fuel enters the left TBI unit first and then on to the right unit before being returned to the tank. Although ...

Holley is no stranger to delivering fuel to an internal combustion engine. Holley has been designing and building fuel delivery hardware since 1903 when Henry Ford himself asked the Holley brothers to ...

When things are operating properly, most drivers don't give a second thought to what happens when pressing the accelerator pedal on a modern internal combustion engine (ICE) vehicle. Whether ...

From limp mode scares to rough idles, throttle system issues can turn your Mercedes from a dream ride into a daily frustration. Understanding common failures like actuator wiring faults, sensor ...

The inside of your engine is a dirty place. These products can help. While modern cars and trucks run better than ever before, and with less maintenance than ever before, thanks to computers, sensors, ...