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Porsche unlocks secrets of its mid-engine 911

Porsche is beginning to realize that it's sitting on a goldmine of automotive history with its secret vault full of rare cars. Autoblog toured it a few months ago, and we were amazed at all of the curiosities hidden inside. Now, it's starting to let more folks in thanks to a new series of YouTube videos. The first covered the 965 prototype that shoved a water-cooled, Audi V8 into one of its cars. Next up, a mid-engine 911 that acted as the powertrain test mule for the Boxster.
The Porsche 911 is inextricably linked to its rear-engine layout. They go together like peanut butter and jelly. However, at the time Porsche was developing the Boxster, the company didn't want to lay all of its cards out of the table during testing. As opposed to using camouflage, it put a whole different car on top. The prototype looked just like any other 911 Targa of the day, but the biggest giveaway that something was amiss was the heavily tinted rear window. By obscuring it, inquisitive journalists couldn't peak at the new engine that replaced the backseat.
It might not look like anything too important on the outside, but this is a major piece of Porsche Boxster history underneath. Scroll down to watch the video about this fascinating prototype.

Porsche 911 GT spied streaking at the Nurburgring

At any given moment, you can bet that Porsche is testing some new version of the 911. When we see those prototypes undergoing testing, they're typically camouflaged, at least in part, to keep us from seeing what Zuffenhausen (or Weissach) is up to. But this particular example is completely undisguised. So what are we looking at, exactly? Well, for starters, it's likely the upcoming facelifted version of the current 911. The current 991 generation has been on the market now for four years, so the 991.2 (or 991.5, perhaps?) will likely be tasked with keeping Porsche's iconic sports car current for several more years to come. This version can be seen with front air intakes similar to those on the Cayman GT4, along with updated headlights, LED strips, new door handles, ventilated rear engine cover, reprofiled rear bumper, fresh taillights, and a new exhaust. The far bigger development is that the updated 911 is expected to ditch natural aspiration in favor of downsized turbocharged engines across almost the entire range – not just in the 911 Turbo. This particular version we see here, however, could be one of the few hold-outs for atmospheric pressure. That's because what we're looking at could be the upcoming back-to-basics version being prepared by the GT division – the same outfit responsible for the 911 GT3, GT3 RS, and Cayman GT4. Possibly adopting the name GT5, this new version of the 911 is anticipated to be the purist's choice: naturally aspirated flat-six, three-pedal manual transmission, skinny tires, no frills. This undisguised prototype appears to be packing a production roll cage and thin, leather-clad bucket seats – splitting the difference between racing buckets and the usual, thicker thrones. We'll have to wait a bit longer until Porsche is ready to release all the details of the refreshed 911, hopefully to include that GT version. But for an unadulterated taste of what's to come, look no further than the spy shots in the image gallery above. Related Video:

Porsche 911 going all-turbo this year save for GT3 and GT3 RS

The coming Porsche 911 GT3 RS will represent another high-water mark for the brand, and another milestone. Its 500-or-so horsepower and extreme aero are predicted to lop more than five seconds off the 7:20 Nurburgring lap time of the current GT3, making it "comfortably less" than 7:20. Beyond that, its naturally-aspirated 3.8-liter will form the basis of the turbocharged engines going into the standard range of 911s later this year as 2016 models. That's right – if you're looking for a sub-GT3 911 that gulps its air without compressed assistance, then you've only got a few months to get a new one into your garage. Emissions regulations are the reason, of course, with Porsche's R&D chief Wolfgang Hatz saying that, "Every new model will have lower CO2 than before," and "if you look at euro per g/km, then it's turbo." We don't know what the engine lineup will look like, however; a few months ago Car reported that the base 911 would get a smaller-displacement version of the engine, while the S would stick with 3.8-liter displacement and jump to 520 horsepower, which is the same as the current Turbo. After that, Hatz said, "at the end of the decade electrification has to be the next huge step." That means a hybrid 911 is being cooked up somewhere. Yet even as the brand leaps into the new, there's a chance it could dip a toe back into the old: the 911 GT3 RS will launch with a PDK, but Hatz's team is considering adding the option of a seven-speed manual. Elsewhere in the range, the Cayman GT4 is being engineered by Porsche Motorsport as an entry-level racer, with more power than the current Cayman GTS to go with some serious weight loss. They are also developing a track-only model for privateers. The standard Boxster and Cayman will get turbocharged flat-four engines, but there'll be a sporty Boxster that also loses weight and gets more power than the 325-hp Boxster GTS. And that mid-level supercar that's been floating in the ether for years and supposedly sent to purgatory again just last November? It's on the way by 2020 "at the latest," and will use a version of the new V8 that will eventually go into the Cayenne and Panamera. Featured Gallery 2015 Porsche 911 GT3 RS: Winter Testing Spy Shots View 13 Photos News Source: Top Gear, AutocarImage Credit: CarPix Green Porsche Emissions Convertible Coupe Hybrid Luxury Performance Supercars porsche 911 gt3 wolfgang hatz porsche supercar