Flow. For an engine, it's the key to getting maximum possible output from your internal combustion horsepower-maker. Without it, your engine, whether it be a small- or big-block, is nothing more than ...

This VW Golf MK2 features an all-wheel-drive setup and a turbocharged engine revving beyond 9000rpm with a Hayabusa cylinder head swap. The result is a sharp, high-pitched mechanical sound. Engine ...