The compact nature of a turbocharger means it is often a more space-efficient solution for increasing power output than increasing engine displacement. The turbo, located at top right, feeds pressurized air into the engine through the chrome T-pipe spanning the engine. 3,200 rpm and was turbocharged diesel engine pdf until 1967.
BMW’s 2002 Turbo, introduced at the 1973 Frankfurt motor show and featuring a 2. 1974 oil crisis, the 2002 Turbo was discontinued in 1974. At the height of the oil crisis, Porsche introduced the 911 Turbo, which was the fastest mass-produced car at the time. The Porsche 911 has been available with a turbocharged engine for the majority of the years since 1974. Turbocharging returned to American-produced engines, in the form of the Buick Regal V6. Since 1978, many manufacturers have produced turbocharged cars. Having two smaller turbos produce the same aggregate amount of boost as a larger single turbo allows them to reach their optimal rpm, more quickly, thus improving boost delivery.
Another twin-turbo arrangement is “sequential”, where one turbo is active across the entire rev range of the engine and the other activates at higher rpm. Below this rpm, both exhaust and air inlet of the secondary turbo are closed. Mazda RX-7, Toyota Supra and Subaru Legacy. Sequential twin-turbos are usually much more complicated than a single or parallel twin-turbo systems because they require three sets of intake and waste gate pipes and valves to control the direction of the exhaust gases. 1991 uses a quad-turbo V12. 1976 and 1988, and then from 2000 to 2007.