Twincharging and twin-turbo: how superchargers and turbos combine

Engine bay of a 1985 Lancia Delta S4 with its twincharged supercharger and turbo engine

Twincharging and twin-turbo: how superchargers and turbos combine America was twincharging before anyone had a name for it. Greyhound buses and semis powered by turbocharged two-stroke Detroit Diesels carried a Roots blower and a turbo on the same engine. Not as an exotic racing trick, but because the engine physically could not run without the … Read more