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 ...

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 ...

Anyone who has gone to school to learn how to repair engines of all types, such as myself, will have learned the fundamentals of how they work. It's crucial for troubleshooting and diagnosing engine ...

Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...

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 ...

Automakers have long touted the benefits of fuel injection, claiming increased efficiency and power. But as more cars have the system installed (around 73% in 2023), more and more consumers are ...