Many car crafters roll their eyes and tune out when bench racing turns to electronic fuel injection (EFI). We're not here to hijack you into believing that EFI is cheap or even simple. Carburetors ...

A unique electronically controlled fuel injection system, named ECI, has been developed for 2.0- and 2.6-liter passenger car gasoline engines. The system incorporates a vortex shedding airflow sensor, ...

Port fuel injection and direct injection are similar but distinct systems, so why do some engine designs include both?

Gregg Petersen's Hilborn-injected Chevette. The first thing you should understand is that direct-port, constant-flow fuel-injection—Hilborns, En-derles, Crowers, whatever—were never designed, nor ...

The carburetor was invented well over a century ago and served the internal combustion engine well. Later, electronic control was married to carburetors with so-so results. Okay, the results were ...

The automotive aftermarket has come a long way in helping car guys bring 50-plus-year-old cars into the modern era. Of course, you can engineer the “old car” feeling out of your old Chevy by swapping ...

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 ...