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The ILMOR-Chevrolet Indy V6 engine is a 2.2-liter, twin-turbocharged, V-6 racing engine, developed and produced by Ilmor Engineering for the IndyCar Series.Chevrolet has been a highly successful IndyCar Series engine supplier since 2012, scoring 100 IndyCar wins, 35 pole positions, 7 IndyCar Series driver's titles and 7 IndyCar Series manufacturer's titles.
V-6 engine, 90° cylinder angle: Displacement: 2.2 L (2,199 cc) Cylinder bore: 95 mm (3.7 in) Piston stroke: 51.7 mm (2 in) Cylinder block material: Aluminum alloy: Cylinder head material: Aluminum alloy: Valvetrain: 24-valve, DOHC, four-valves per cylinder: Combustion; Turbocharger: Twin-turbocharged: Fuel system: Direct-indirect fuel ...
A twin-scroll turbocharger uses two separate exhaust gas inlets, to make use of the pulses in the flow of the exhaust gasses from each cylinder. [34] In a standard (single-scroll) turbocharger, the exhaust gas from all cylinders is combined and enters the turbocharger via a single intake, which causes the gas pulses from each cylinder to ...
They were mated to a custom exhaust manifold and downpipe. Major reworking of the engine bay was required in order for the twin-turbo setup to fit in correctly, as the new setup would not be able to fit properly on an unmodified engine bay. This twin-turbo setup achieved its peak power at 2.2 bar between 5,500–6,000 RPM, and costs ¥300,000. [3]
Most turbocharged petrol engines use a single turbocharger; however, twin-turbo configurations are also often used. In motor racing, turbochargers were used in various forms of motorsport in the 1970s and 1980s. Since the mid-2010s, turbocharging has returned to several motor racing categories, such as Formula One and the World Rally Championship.
A mechanically driven supercharger offers exceptional response and low-rpm performance, as it does not rely on pressurization of the exhaust manifold (assuming that it is a positive-displacement design, such as a Roots-type or twin-screw, as opposed to a centrifugal supercharger, which does not provide substantial boost in the lower rpm range), but is less efficient than a turbocharger due to ...
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The VR is a series of twin-turbo DOHC V6 automobile engines from Nissan with displacements of 3.0, 3.5, and 3.8 L. An evolution of the widely successful VQ series , it also draws on developments from the VRH , JGTC , and Nissan R390 GT1 Le Mans racing engines.