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Twin-turbo is a layout in which two turbochargers are used to compress the intake fuel/air mixture (or intake air, in the case of a direct-injection engine). The most common layout features two identical or mirrored turbochargers in parallel, each processing half of a V engine 's produced exhaust through independent piping.
The forced induction system uses two parallel twin-scroll water-cooled turbochargers supplied by IHI [1] and two air-to-air intercoolers. The valvetrain consists of 4 valves per cylinder actuated through roller finger followers by two overhead camshafts per bank; the timing chain is located on the flywheel side.
Front-mounted air-to-air intercooler Top-mounted air-to-liquid intercooler (the silver cuboid-shaped part) on a BMW S55 turbocharged engine. An intercooler is a heat exchanger used to cool a gas after compression. [1] Often found in turbocharged engines, intercoolers are also used in air compressors, air conditioners, refrigeration and gas ...
Using a turbocharger spool valve to increase exhaust gas flow speed to the (twin-scroll) turbine; Using a butterfly valve to force exhaust gas through a smaller passage in the turbo inlet; Electric turbochargers [51] and hybrid turbochargers. A similar phenomenon that is often mistaken for turbo lag is the boost threshold. This is where the ...
MHI Twin-turbo with intercooler: Fuel system: Fuel injection: Fuel type: Unleaded petrol + Ethanol (both blends may vary) by Esso/ExxonMobil Synergy (2011-2016) later BP Ultimate (2017-2020) later Gulf Pro/Endurance Fuels (2021) Cooling system: Water-cooled: Output; Power output: 500–800 PS (493–789 bhp; 368–588 kW) Torque output
The VG30DETT is an iron block/aluminum head twin-turbo, twin intercooler 2,960 cc (3.0 L; 180.6 cu in) version first seen in the 1987 MID4-II concept. Producing 330 PS (325 bhp; 243 kW) in the MID-4 and coming in at a weight of 237 kg (523 lb), it was the last of Nissan's DOHC belt driven 4 valve per cylinder turbocharged engines put into ...
Five displacement variants were produced from 1986 to 2021, with both SOHC and DOHC, naturally aspirated and turbo charged layouts. While MIVEC variable valve timing has also been implemented in some versions the 2.5, 3.0, and 3.5 L versions were also available with gasoline direct injection. This engine has been the flagship powerplant of the ...
Twin-turbochargers with air-to-air intercooler, electronically actuated variable geometry with transient over-boost capability, port deactivation system Fuel system & engine management Bosch Common rail (CR) direct diesel injection, utilising a Bosch EDC17CP11 engine management control unit and maximum injection pressure of 2,000 bars (29,000 ...