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The 2017 Porsche 911 RSR goes mid-engine, purists be damned

Porsche unveiled its World Endurance Championship and IMSA WeatherTech Championship competitor with the 2017 911 RSR. And this 911 is different from the rest, as the 4.0-liter flat-six engine powering this beast is in front of the rear axle, not behind it. That's right, this 24 Hours of Le Mans competitor ditches the iconic rear-engine layout. Porsche isn't talking specifics on how exactly things are arranged back there. The engine is new, now based on the 991 911's block instead of the previous Mezger motor that's been used for years. The transmission design is new as well – it would have to be to accommodate the new location relative to the engine. The racecar has been engineered to meet the LM-GTE class, where it will go up against other mid-engine cars like the Ford GT and Ferrari 488 GTE. Moving the engine to the middle has given Porsche the ability to fit the 911 RSR with massive bits of aero, like the humongous rear diffuser that looks like it would be more at home on a machine of war. The only thing that can compete with the diffuser for size is the top-mounted rear wing, which shares a similar design to the one found on the 919 Hybrid. Going back to the engine, the direct-injected boxer motor, depending on the size of the restrictor, generates as much as 510 horsepower and sends all of its fury to the rear wheels. The engine is paired to a six-speed sequential gearbox, which drivers can employ through paddles on the steering wheel. The new engine doesn't have a lot of weight to push around as the 911 RSR, as required by regulations, weighs 2,740 pounds. Speaking of weight, the engine layout isn't the only change for the 911 RSR. For 2017, the car ditches its steel body for one that's made out of carbon fiber. The body attaches to the chassis via quick-release fasteners, making the vehicle easier to service as exterior elements can be removed with minimal effort. The racecar also gets a radar-based collision system – aptly named the "Collision Avoid System" – which is meant to limit the 911 RSR's encounters with faster LMP prototypes. Only time will tell if the new layout and aerodynamic components help the 911 RSR beat its competition. But there will be plenty of opportunities to see the racecar in action as Porsche plans to run the 911 RSR in 19 races during the 2017 season, the first of which will take place at the IMSA opener on January 28th at Daytona, where the racecar will make its track day debut.

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.

Wandering the Chopard Heritage Tent at Rennsport Reunion V

Porsche has a ton to celebrate at its Rennsport Reunion V being held at Mazda Raceway Laguna Seca this weekend. While some other luxury carmakers are hurting, Porsche sales are up. The 919 Hybrid won Le Mans in only its second year of competition, then came to America and won the World Endurance Championship race at Lone Star Le Mans in Austin, Texas the weekend before Rennsport Reunion. It just introduced its 2017 911 Carrera with a turbocharged engine for the first time ever for the line, and our initial impressions from the passenger's seat are that it's pretty good. And humor us while we have this out for the conspiracy theorists, but one can imagine some back-room celebrations since with Porsche Chairman Matthias Muller's promotion on Friday, September 26, Porsche completed its takeover of Volkswagen. Remember when that was a thing, when 16-year Porsche CEO Wendelin Wiedeking tried to work the stock market to get control of VW but failed, so VW swallowed up Porsche instead? More concretely, around 50,000 people have come to the Reunion, and there are 1,400 Porsches parked in all the corrals. This year's event is devoted to Le Mans, with eight of the brand's 17 winners in attendance. We spent most of our time on the penultimate day in the Chopard Heritage Display, though, wandering through four rows of vintage machinery. The vehicles were even more instructive than they were beautiful - the Spyders, the RS editions, the Abarth-bodied racers, the company's first flat-eight race car, the 911 SCRS rally cars that led to the shows-topping 959, all help explain in metal what Porsche is referring to in its press releases and when it puts out special editions. They teach the history of personnel inside and outside of Porsche, too: like that Ferdinand Piech led the team that created the famous-on-sight 1968 917K at the same time as he was leading development of the Porsche 914; and that one of our own colleagues, the late Denise McCluggage, drove to victory in the 1957 Watkins Glen Grand Prix in a 1954 Porsche 550 Spyder 1500RS. There's a huge, captioned gallery above of just some of the wares parked in the Chopard Heritage Display. Have a look and a read, and the next time a Porsche rolls out a commemorative limited edition, one of these could be the car they're looking back at. Related Video: