Rob Dahm, notorious rotary-powered car builder, has firmly jumped into the deep end of the pool with his latest project: The ...

What does 1,350 pounds feel like flying down a steep, winding road with 400 horsepower from a turbo RX7 Mazda rotary engine? Curious how a rotary engine works or do you just love a rotary engine sound ...

It might be even less subtle with an unusual engine in its belly, though — and it seems at least one owner has done just that. The resulting creation is a beastly rotary-powered R5 Turbo ...