The first on-track test of fuel injection in NASCAR’s Sprint Cup Series could come as early as July 7 at Kentucky Speedway, provided NASCAR finalizes specifications for system hardware and software in ...

It’s a contentious affair that has been ongoing now in hot rodding for roughly 30 years … carburetors versus electronic fuel injection (EFI). There are ardent supporters and vociferous cynics on both ...

Carburetor vs Fuel Injection: Which are better, carbs or computers? Obviously, the Big Three have long since made the switch to electronic fuel injection to improve fuel economy, driveability, and ...

Eleven Sprint Cup Series teams on Monday at Charlotte Motor Speedway participated in the third of five NASCAR-controlled electronic-fuel-injection tests. Several teams tested EFI at Kentucky Speedway ...

The Big-Block EFI Test: Prestige Motorsports tests two different Holley EFI setups on a new 632ci big-block build Prestige Motorsports has established itself in the last few years as a major player ...

Fiddle around with cars long enough and you’ll realize two things: first, anything beyond the simplest repairs will probably require some kind of specialized tool, and second, those tools can be ...

Back when Shelby was looking to make its little Cobras go faster, it turned to multiple carburetion in the form of a quartet of downdraft Weber carburetors. Not only did having eight individual ...

Most new petrol cars you see today are equipped with fuel injection systems or injector motors. These have almost wholly supplanted older carburetor motors. They are more reliable, effective, and ...

It would seem like every single Shelby-handled car out there has a story to tell, a uniqueness that helps keep them at the top of the list of the most cherished and desirable automobiles ever made.

We earn commissions from purchases you make using links in our articles. Learn more. Fuel injector cleaners can help increase your car's performance and fuel economy. It's the easiest way to clean ...