Aftermarket EFI is nothing new. In fact, the first high-performance electronic fuel injection systems were introduced before some of our readers were even born. Those units were expensive, hard to ...

Barring electric vehicles, each and every vehicle needs some sort of combustible fuel. Until about four decades ago, almost every passenger car used a carburetor to handle its air and fuel needs. It ...

While port injection is still the most common form of electronic fuel injection, gasoline direct injection is quickly starting to replace it since it provides better fuel atomization, decreased ...