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McQueen's Porsche 917 from Le Mans races to the auction block

Steve McQueen may have been the headline actor of the motorsport cult classic film Le Mans, but we all know who the real star was. Or rather, what: the Porsche 917. More specifically, it was the Gulf-liveried #22 - not McQueen's #21 - that won the race, making it one of the most iconic cars ever to drive across the silver screen. And now it's going up for auction.
This 1969 Porsche 917K, chassis 917-024, has a storied history both on and off the screen, even if it didn't win any (off-screen) races of note. This example was the first 917 to be campaigned in an actual race when Porsche handed it to Jo Siffert to drive against the Ferrari 312P and Ford GT40 at the Spa-Francorchamps 1000 Km race in 1969. Siffert found the early example too unstable and ultimately drove an earlier 908 to the checkered flag, but after 917-024 set the fastest time at the following year's Le Mans test day, Siffert acquired it outright.
The Swiss racing driver loaned the car to Solar Productions for use in the film, after which it returned to Siffert's collection until he was killed in an F1 exposition race at Brands Hatch in 1971. In a testament to how much he loved the car, it was 917-024 that lead the funeral procession. The car subsequently fell off the radar until it resurfaced in 2001 as one of the greatest barn finds of the new millennium. Now fully restored and resplendent in its original baby blue and orange, 917-024 is headed to the auction block at Pebble Beach where you can be sure that Gooding & Company will bring in a suitably high price for arguably the most iconic example of one of the most iconic Porsches of all time.

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.

Porsche Cayman GT4 spotted at the N?rburgring

It was just the other day that we first caught wind of Porsche's plans to build a GT4 version of the Cayman, and now we're already looking at spy shots of the vehicle in question undergoing testing at - where else? - the Nürburgring.
With more aggressive front-end aero, a GT3-style air vent ahead of the front hood, a large wing at the back, and spindly alloys packed with over-sized brakes at each corner, this Cayman is clearly more extreme than even the range-topping GTS. The rear diffuser and central exhaust tips look about the same as those you'd find at the back of the Cayman GTS, though.
What we can't see, of course, is what Porsche has slotted in under the rear glass, how it's upgraded the interior and how much weight it's stripped out of the thing to get it down to fighting weight, but you can bet it'll come with a substantial power bump and a stripped-out interior with racing buckets and little else to open the gap between it and the GTS... and close the gap to the 911 GT3 which it will join as the baby brother in Porsche's performance-focused lineup. Click above to view the double-batch of spy shots.