Nissan GT-R

From Nissan press: The fifth-generation Nissan GT-R supercar, which made its North American debut in July 2008, returns less than a year later with an enhanced 2010 model featuring a number of small yet important updates – including five additional horsepower, a revised suspension, revised wheel finishes and standard front seat-mounted and roof-mounted curtain side-impact supplemental air bags. The 2010 GT-R will be available through nearly 700 official “GT-R certified” Nissan dealers across the United States beginning in March 2009.

For 2010, the horsepower rating of the GT-R’s 3.8-liter twin turbo V6 engine has been increased to 485 hp (from 480 hp) and the car’s high-performance 6-speed dual-clutch transmission receives new Transmission Control Module (TCM) programming designed to optimize clutch engagement for improved drivability and improve vehicle acceleration with the Vehicle Dynamic Control (VDC) on (activated).

Under the hood, the Nissan GT-R features an advanced VR38DETT 3.8-liter twin turbo V6 producing 485 horsepower at 6,400 rpm and 434 lb-ft of torque at 3,200, while meeting ultra-low emission vehicle (ULEV) standards. The engine features innovative plasma-sprayed bores replacing cast iron liners for reduced friction, lighter weight, enhanced cooling, power output and fuel efficiency; a symmetrical independent intake and exhaust manifold system featuring twin high-performance IHI turbochargers; a secondary air management system for improved cold-start emissions performance; a thermostatically controlled oil- cooling system; an oil scavenger pump to maintain oil flowing to the turbochargers; and a lateral wet and dry sump oiling system. All GT-R engines are hand-assembled in a clean room environment at the Nissan Yokohama engine plant.

The VR38DETT is backed by an advanced paddle-shifted sequential 6-speed dual clutch transmission, which can be driver selected to shift at race car-like speeds. The sequential-shifting transaxle features separate wet clutches for the odd (1,3,5) and even (2,4,6) gears and pre-selects the next highest and next lowest gear for immediate shifts. It also features Hill Start Assist for easy starts on uphill inclines.

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