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 ...

Power-adder Coyote fans are a happy bunch. The free-breathing V-8 eagerly responds to power inducements, and enjoys well-engineered cooling and fuel systems. Up to the octane limits of pump ...

Fuel injectors don't just deliver fuel. They meter it, shaping the spray so the air-fuel mixture burns in the way the engine wants it to. When deposits build up, injector fuel flow can decrease and ...

Car problems are a regular occurrence for drivers. Something can go wrong with the plugs, tire alignment could be off, or you haven’t changed your engine coolant in a while, and now performance is ...

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 ...