Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...

How does fuel injection work? Everything you need to know about fuel injection! Throttle body injection, multipoint port injection, and direct injection. Injection techniques for both gasoline and ...

Because the fuel injected into the cylinders must be "timed" to squirt at the optimum instant, which roughly corresponds to the opening of the intake valve, the high-pressure pump also incorporates a ...

Anyone who appreciates simplicity of design and efficiency of operation has to like small two-stroke-cycle engines that power construction tools such as cut-off saws, rammers and breakers. Producing ...