The 13B is so revered today partly because it was different from the inline-6 or V-8 powerplants everyone is used to. It also put Mazda on the map as a major automaker, and Mazda itself even ...

When it comes to Mazda's most power-dense engine ever, one Wankel comes to mind; the 13B-REW rotary engine, a mill that saw production for just 10 years. In that time, it had quite a large impact.

A 1937 Austin Seven Roadster has been transformed into an eye-catching, high-revving street rod with a unique twist: it’s powered by a Mazda 13B 1.3-liter rotary engine.