Fuel injection

Simply put, electronic fuel injection (EFI) is a system that delivers or injects fuel into an engine’s induction system or directly to the engine combustion chambers. An improvement over a […]

Starting in the early 1980s, the mass adoption of modern electronic fuel injection systems was a watershed moment in the history of automotive engineering. While fuel injection had certainly been […]

Proper fuel pressure is really, really important to an engine. And that’s especially true on today’s computer-controlled, fuel injected cars and trucks, where even a slight hiccup in your air/fuel […]

Most common types of electronic fuel injection (EFI) conversion kits rely on a single throttle body to deliver fuel into the intake manifold—very much like a traditional carburetor. But a […]

It’s no secret that aftermarket electronic fuel injection (EFI) systems are becoming more and more commonplace. It should come as no surprise however, that some of the early systems were […]

If you’re researching electronic fuel injection (EFI) systems, you’ve probably come across the terms speed density and mass air flow (MAF). These are the two most prevalent types of fuel […]

In the past few years, the automotive aftermarket has really stepped-up to provide engine builders and hot rodders with modern fuel injection conversion kits that are both easy to install […]

Converting from a carburetor to electronic fuel injection can be both easier and less expensive than some believe, and the Holley EFI unit we’re exploring today is a shining example […]

Summit Racing’s new MAX-efi 500 Fuel Injection System handles up to 500 horsepower and is easy to install. How easy? See for yourself. Today’s video features Summit Racing tech adviser Carl […]

Tuning is rewarding when you want to do it, but aggravating when you have to do it. Today’s self-learning fuel injection systems give us the best of both worlds. The injection units […]