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McLaren P1 Hybrid Drivetrain cutaway image

McLaren P1 - running with camouflage - front three-quarter viewMcLaren has dropped official power figures for the company's upcoming P1. The new hypercar will come packing 903 horsepower and 663 pound-feet of torque from the combination of a 3.8-liter, twin-turbocharged V8 engine and an electric motor. That's right: this sucker is a hybrid. The internal combustion engine features a few tweaks to improve cooling, and McLaren says the block uses a special casting to incorporate the motor. As a result, the P1 features a boost system that can serve up an instantaneous 176.5 horsepower dumped straight to the seven-speed dual clutch transmission. The driver can summon up that grunt on command by pressing the steering-wheel-mounted Instant Power Assist System button.

What's more, McLaren has figured out a way to use the electric motor to improve shift times. The P1 applies instant negative torque with each shift, dropping engine speed quickly and precisely for the upshift. Engineers have also incorporated additional technology from the company's Formula One efforts, including a Drag Reduction System. Push a button on the steering wheel and the rear wing shifts to reduce drag by 23 percent, providing the sensation of a boost in power. Check out the full press release below for more information on what is shaping up to be an incredible piece of technology.

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McLaren P1 to get 903 HP from "Twin Power" hybrid originally appeared on Autoblog on Wed, 20 Feb 2013 10:44:00 EST. Please see our terms for use of feeds.

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