Most modern vehicles come with two transmission speed sensors, which are responsible for monitoring the input and output shaft speeds of the transmission. These sensors send information to your car's ...

A typical Ford 5.0L V8 SFI engine in a 1988 Mustang with the stock Speed Density-based air/fuel metering system. Mass Air metering came in on 1988 California 5.0L HO cars and went nationwide in 1989.

Imagine a turbocharger trying to pressurize a carburetor with its small venturis and finicky floats and you can get some idea why electronic fuel injection opened the door to big boost, big power, big ...