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 ...

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 ...

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 ...

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 ...

This weekend’s NASCAR Sprint Cup Race at the Kentucky Speedway is significant for two reasons: first, it marks the debut Sprint Cup Series race at the Kentucky track, but it also marks the first test ...

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 ...

NASCAR told Sprint Cup teams Saturday that they can use fuel injection at NASCAR-sanctioned tests this season. The Cup series will switch from carburetors, used since the series’ inception in 1949, to ...

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 ...

NASCAR told Sprint Cup teams Saturday that they can use fuel injection at NASCAR-sanctioned tests this season. The Cup series will switch from carburetors, used since the series’ inception in 1949, to ...

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 ...

Fuel injector cleaner serves an important function in vehicle maintenance. Most vehicles sold today have fuel injectors. Those injectors work by delivering precise amounts of gasoline or diesel fuel ...