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McLaren P1 squares off against Porsche 918 in Evo track battle

Evo's side-by-side comparison of the McLaren P1 against the Porsche 918 Spyder isn't the first time we've seen England and Germany's ultimate automotive weapons sized up together; last month, Autocar tested them over the standing mile, with a Ducati 1199 Superleggera playing the joker. Evo throws a few curves at its test, though, taking the supercars to Anglesey Circuit in Wales to see which will lay down the fastest lap time with scribe Jethro Bovington at the wheel. In case the numbers haven't yet been seared into your memory, while both are assisted by electric motors, the 3,069-pound, rear-wheel drive P1 gets on with 903 horsepower and 664 pound-feet from a 3.8-liter, twin-turbocharged V8. The 3,750-pound, all-wheel-drive 918 Spyder does its job with 795 hp and 575 lb-ft surging out of a naturally aspirated, 4.6-liter V8. We're not told know which circuit layout he uses for the test, but both cars comfortably eclipse the mark set by the fastest coupe Evo's driven around it so far, the Ferrari 458 Speciale. Then, in an epilogue occasioned by a tire change, one of the supercars comfortably eclipses its own time again, before Bovington declares one the master of the track and the other the ruler of the street. Enjoy finding out which is which in the video above.

Mark Webber gets early clearance for Porsche departure

If there's no rest for the wicked, there's surely even less rest for the wickedly fast. And make no mistake about it, Mark Webber is wickedly fast. He may not have proven able (or given the opportunity, depending on who you ask) to emerge from Sebastian Vettel's shadow after six seasons partnered with the multiple world champion at Red Bull Racing, but he's still won nine Formula One grands prix, to say nothing of the sports car races he won with Mercedes in the late 90s. But now he's leaving F1 to anchor Porsche's new LMP1 program, and according to the latest reports, he's departing Red Bull for Porsche sooner than expected.
Typically an F1 driver is obliged to stay with his team until the end of the calendar year - not just the end of the racing season - helping out with things like promotional events and fine-tuning next year's car. But news.com.au reports that Red Bull has given him early leave, so once the racing action in Brazil is done on Sunday, he's departing straight for Porsche's racing headquarters in Wiessach, Germany.
It won't be Webber's first visit to the facility, having already swung by to have his new seat fitted. But his early arrival will undoubtedly help him and Porsche get up and running ahead of schedule. The move may have been facilitated by a new sponsorship deal that could see Webber carry Red Bull with him to Le Mans, so don't be too surprised to see the energy drink company's logo on the side of the new Porsche once the new racing season gets under way next year, whether in concert with or instead of the anticipated revival of the Martini Racing livery.

Jay Leno puts carbon fiber wheels to the test on a Porsche 911 GT3 RS

Jay Leno's Garage usually focuses on looking at cars new and old, speaking to their owners and then Jay taking a drive to see what he thinks. However, Leno throws his usual shtick to the curb this week to do a full product test of the carbon fiber wheels from a company called Carbon Revolution. If you're not interested in hearing about wheels for 18 minutes, don't worry. They get mounted on a Porsche and are tested back-to-back with stock wheels, and Leno takes the 911 for a track test, too.
While carbon-fiber wheels aren't exactly a new idea, Carbon Revolution's goal is to create a lightweight, one-piece product that can be mass produced. The company even claims that it already has a deal with an OEM automaker to offer them on a vehicle in a few years. The key to the technology is that it doesn't need an expensive autoclave to be made.
In the meantime, the company's carbon fiber wheels are available as an aftermarket option for about $15,000 a set, according to the video. They weigh in at about 15.5 pounds each and offer OEM-levels of stiffness, so they could cut some unsprung mass off of a performance car. Watch here as Jay and his mechanic Bernard lap Willow Springs and give their feedback about what they think of this cutting-edge technology.