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 ...

Fuel injectors rarely get the same attention as turbochargers, superchargers, or cylinder heads, but they play a far more critical role than most enthusiasts realize. Every fuel-injected engine, ...

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 ...

The key ingredient to maximizing the peak performance of a diesel engine is increasing the amount of diesel being burned. On old mechanical-injection engines, the only way to do this was to modify the ...