Here's the process of making this rotary valve engine with a different intake and an exhaust system. It wasn't easy to start ...

Rotary engines differ from conventional ones in many respects — and one of them is the fact that they use two different spark ...

Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...