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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.

'We're not a hedge fund': Porsche plans to curtail speculators and flippers

A sizable number of speculators view cars as an investment. Rare or unusual models are quickly snapped up and either parked for years or flipped for a profit. Cars from automakers like Porsche and Ferrari are more prone than others, and at least some people behind these models are getting a bit tired of it. While it's difficult to police what goes on after you sell a car, Porsche has some plans that might curtail the problem before it starts. Andreas Preuninger, the head of GT road-car development and the man behind the new 911 GT3, spoke to Car and Driver at a recent event. "I personally like to see my cars being used," he said. "That's what we build them for. They are just too good to be left to stand and collect dust." One recent example of this rampant speculation is the 911 R. While the special manual-only model sold for $185,950 when new, used versions were selling for nearly $1.3 million just months after it went on sale. While the car is a masterpiece and an instant classic, a good number will be parked and simply used as art and not the rolling testaments to the man/machine interface they were intended to be. The concern over valuations has become so fierce that some owners are upset that Porsche is offering the new 911 GT3 with a manual transmission, fearing that it may hurt the value of the 911 R. "When I said we're not a hedge fund, I'm talking to those people who are yelling at us for offering the manual transmission similar to the R," Preuninger said. "But if there are people wanting to buy cars like that, then as a company we should try to fulfill that, to meet that demand." It seems Porsche is keeping a close eye on who is flipping cars. Since there is often far more demand than supply with certain models, the German automaker has a name for every car before it's built. Buyers with bad reputations might not even make the wait list. Related Video:

Mark Webber hospitalized as Porsche takes first WEC victory, Toyota wins championship [UPDATE]

It was a mixed bag for the Porsche team at the 6 Hours of Sao Paulo this weekend – the last race of its first season in the FIA World Endurance Championship. On the one hand, the German team took its first win since launching its LMP1 effort at the start of this season. On the other, its star driver suffered a massive crash that left him in the hospital. The crash occurred with less than half an hour to go when Mark Webber, who was running sixth in the #20 Porsche 919 Hybrid, lost control at Turn 14 at the Interlagos circuit – the same spot where he crashed his Jaguar F1 car during the 2003 Brazilian Grand Prix – and crashed tail-first into the barrier. Both Webber and Matteo Cressoni (driver of the #90 Ferrari 458 Italia with which Webber collided) were evacuated to the trackside medical center and were then taken to the nearby Hospital Bandeirantes. Both were reportedly conscious throughout but are undergoing further testing, described as being in "satisfactory" condition by the FIA medical official on the scene. The occurrence of the crash so close to the end of the race, and the time it took to clear the wreckage, meant there was not enough time for a restart, so the race was completed under the safety car. But when the field did cross the finish line, it was the #14 Porsche 919 Hybrid driven by Romain Dumas, Neel Jani and Mark Lieb that took the checkered flag – marking the first time that Porsche has won an endurance prototype race since 1989. Of course, that solitary victory was not enough for Porsche to take the title, which went to the Toyota TS 040 driven by former F1 drivers Sebastien Buemi and Anthony Davidson, who finished the race in second place ahead of the Audi R18 E-Tron Quattro driven by the retiring Tom Kristensen and his co-pilots Lucas di Grassi and Loic Duval. Top honors for the season in LMP2 went to Sergey Zlobin for SMP Racing in the Oreca-Nissan, while Ferrari took the GT title. UPDATE: Mark Webber released the following statement on his condition: "I'm quite sore this morning, am pretty bruised and have got a stinking headache. I've got no recollection of the accident or how it happened. The team is looking into the details to find out more.