By Ryan Hutter

In 2012 NASCAR will introduce Electronic Fuel Injection (EFI) to the Sprint Cup Series, which will replace the Holley 4 barrel carburetors used for the past 40 years. Although EFI is new to NASCAR, it has been around since 1957 when it first became commercially available. It has been in use for sometime in other high profile motor sports such as IndyCar and Formula 1. In fact, some may have never owned a car with a carburetor. That’s because since 1990, every passenger car sold in the US came with electronic fuel injection. Continue reading →