> metal rotating so quickly *reciprocating It's also why racing engines (when not limited by regulations, or when only limited on total capacity) tended to ha

> metal rotating so quickly *reciprocating It's also why racing engines (when not limited by regulations, or when only limited on total capacity) tended to have 8, 10, 12 or more cylinders. Despite the increase in the physical size of the engine, each cylinder would be smaller (for the same displacement) allowing higher revs and more power.