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Leno steals Porsche 918 from The Quail for latest Garage episode

Just because he's a famous celebrity doesn't mean Jay Leno got to take it easy at the Pebble Beach Concours d'Elegance earlier this month. Having already spent some time with the gorgeous Cadillac Elmiraj Concept and Ed Welburn for a recent episode of Jay Leno's Garage, the late night talk show host also got to put a few miles on a prototype version of the Porsche 918 Spyder.
Like a usual episode of JLG, Leno first goes over the details of the car with Frank Walliser, head of the 918 Spyder's development, before taking it out for spin. Check out the full episode, which is posted below, to hear what Walliser has to say about the car. More importantly, though, crank up your computer's volume and let the car's high-revving engine and amazing exhaust note do plenty of talking for itself.

Porsche offering new tire option for Carrera GT

Let's face it: finding new tires for older cars can be challenging if tire manufacturers have stopped carrying the right sizes (this writer went through Hell to find a set of 205/60-13s). But what about tires for low-volume supercars, which use sizes that often won't fit on high-volume production vehicles? The Porsche Carrera GT isn't that old and tires are still available in the correct sizes, but the German automaker has shown its support of keeping them on the road by working with Michelin to give owners yet another tire option. Enter the Carrera GT-specific Pilot Super Sport.
It's common knowledge that tires are one of the most important pieces of the performance puzzle, and Porsche claims that the PSS tires, sized 265/35ZR-19 front and 335/30ZR-20 with Porsche's "N0" rating, will improve the Carrera GT's handling and stability all the way up to its claimed top speed of 205 miles per hour. That's important for a car with razor-sharp handling characteristics. They'll also net drivers a 10-percent increase in fuel economy on regular roads and up to 20 percent on racetracks, Porsche says.
The PSSs use cutting-edge tire technology to harness the Carrera GT's 610-horsepower. They have a dual-compound tread that's different from the inside of the tire to the outside, which, Porsche says, helps steering precision and increases maximum grip. Aramid fibers, which are lightweight but just as strong as steel, are used in the tire's belt to reduce unsprung weight.

1986 Porsche 959 Prototype at Barrett-Jackson sees gavel fall at $440,000 [UPDATE: w/video]

Fans of Porsche in America have longed for the chance to buy a 959 ever since the German automaker produced and sold it (well, sold it everywhere but the United States...) in the 1980s. Well, they just had their chance. The car you see above is a Porsche 959 prototype built in 1986, and only one other running prototype still exists.
The 959 prototype can't be driven on public roads, as it carries no such certification. Somehow, we doubt that matters all that much to the new buyer - this one is probably going to be sitting in a collection. When the gavel finally fell, bidding had reached $400,000, plus a 10-percent buyer's fee.
Check out our high-res image gallery above to see this prototype up close, and scroll down below to watch a video of it crossing the auction block and for its official auction description.