For many Chevy enthusiasts, the original small-block will always be carbureted and the modern LS version fuel injected. Never mind the fact that the Gen I powerplant came equipped with mechanical fuel ...

Aftermarket giant Holley is shutting down the iconic Hilborn brand, the legendary performance parts company that pioneered mechanical fuel injection almost 80 years ago. The news was first reported by ...

Long before electronic fuel injection or even performance Holley carburetors, high-end racers operating primarily at wide-open throttle used a purely mechanical, constant-flow fuel-injection system ...

Electronic fuel injection is older than you think, the earliest example being the failed Bendix Electrojector system from 1957. Bosch bought the rights to the Eletrojector system and developed it into ...

Let's talk exotic. Todd Jupiter's Mike Adams-built '65 Corvette has a '60s-style big-block with an individual-runner mechanical-fuel-injection manifold converted to EFI by Kinsler. The radical Rat in ...

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 ...

Mechanical injection systems rely entirely on engine driven components to meter, pressurize, and time fuel delivery. In these engines, a mechanical injection pump is driven by the engine's gear train ...

Picture an old windup desk clock. Now cross it with a gasoline engine, adding a tiny crankshaft and pistons. Tack on a few Buck Rogers bits, so it looks like Rube Goldberg's toaster. Flow gasoline ...