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New info on how VW, Porsche, Audi V6 TDI engine cheat works

The German newspaper Bild am Sonntag is reporting that US investigators have found three pieces of software that work in concert to turn off the emissions control equipment in certain diesel models after a set period of time. The engine in question, the 3.0-liter TDI turbodiesel, was found in certain Volkswagen Touareg, Audi Q7, and Porsche Cayenne models – the sale of which was suspended in the US late last year. Since most emissions compliance testing takes around 20 minutes, the software in the three VW Group models shuts off the emissions control equipment after 22 minutes, a straightforward end run around the testing. Remember that the 3.0-liter TDI engines aren't included in the big buyback and recall program announced for the smaller 2.0-liter, four-cylinder TDI engines. The 3.0-liter engines will likely get their own program, but we don't know when to expect it or exactly what it will look like. Last month, California rejected a proposed fix for the larger TDI engines, and VW went back to the drawing board. Since the company is unlikely to create two fixes, one for California and one for the rest of the nation, the company can't really proceed until they figure out a solution California will accept. The EPA hasn't officially commented on the report, and we don't know how Bild am Sonntag came across the information, but we'll be closely watching what emerges after this report. Related Video:

Aston Martin Valkyrie could beat that new Nurburgring record, Red Bull F1 boss says

During last weekend's Austrian Formula 1 Grand Prix, Race Fans asked Red Bull F1 team principal Christian Horner about the Aston Martin Valkyrie. The question was whether the coming hypercar, a collaboration between Red Bull and title sponsor Aston Martin, could beat the stunning lap record around the Nurburgring just set by the Porsche 919 Hybrid Evo. Horner's answer: "I'm not sure a Formula 1 car could actually do it, but I think that the Valkyrie — certainly the track version of the Valkyrie — could be a contender." That's a qualified endorsement, but it still counts as support merely putting the Valkyrie AMR Pro in the conversation. Let's compare, shall we? The 919 Hybrid Evo is based on the 2017 World Endurance Championship-winning 919 Hybrid. Freed from motorsport regulations, Porsche Motorsport upgraded numerous performance bits. The 2.0-liter, turbocharged V-four-cylinder went from 500 hp to 720 hp. The two KERS units went from 400 hp to 440 hp. We don't have a figure for downforce, but items like active aero, a larger front diffuser, optimized turning vanes, and larger rear wing increased downforce by 53 percent over the WEC car, at the same time being 66 percent more aero efficient. It weighs 849 kg dry, or 1,868 pounds because Porsche threw out everything that didn't contribute to speed. The Valkyrie specs we know of so far state a weight of 1,000 kilograms, or 2,200 pounds. Powering that is a custom, naturally aspirated, 6.5-liter AMR Cosworth V12 with more than 900 horsepower, augmented by a kinetic energy recovery system contributing around 230 hp. According to Autocar's sources, the Valkyrie could generate up to 4,000 pounds of downforce at an aerodynamically-limited 225 miles per hour. That boggling number comes courtesy of Adrian Newey's prowess at making changes such as openings between the front wheel arches and the cockpit that work the front wing harder. The two-seater coupe's unrestricted top speed is 254 mph. Note, though, that the Valkyrie AMR Pro will be more powerful, lighter, and could have even more downforce. And since Aston Martin and Newey continue to work on the hypercar, specs could get even better before deliveries begin. Right now, Horner's suggestion doesn't seem all that outrageous. We'll also wait to see if the Mercedes-AMG Project One pokes its nose in the ring, too. Not long ago, AMG chief Tobias Moers said it's "reasonable to speculate" the F1-inspired hypercar could claim an absolute lap record around the 'Ring.

1985 Porsche 911 rally-style classic to be auctioned for good cause

Porsches are supposed to inhabit race tracks, winding roads, and wide, flashy boulevards, right? Not all of them. Take this 1985 911 Carrera, which was has been converted into a rally-style toy that we'd love to sample on a dusty, tree-lined section of dirt. Nicknamed #Luftauto, this lovely 911 is being auctioned off by RM Sothebys during Luftgekuhlt, an event dedicated to air-cooled Porsches and put together in part by Porsche racer Patrick Long. The car has been extensively modified, both aesthetically and in terms of outright performance. We're digging the 15-inch Braid wheels, custom rally lights, and an Auto Foreign Services roof rack on the exterior. The cabin gets a custom rollbar, but it's the driver interfaces we're really drooling over – there's an OMP steering wheel and a CNC-milled shift knob made of walnut and maple, while driver and passenger will be kept in their fancy Recaro seats by Schroth Rallye harnesses. The limited tweaks to the numbers-matching, 3.2-liter flat-six – the headers and exhaust have been swapped with SSi units – do wonders for the Porsche's already impressive soundtrack. The engine isn't a new unit, of course, but it's fresh off a major round of service. There are ample suspension mods, too, with a custom-designed KW setup and long-travel dampers. A cool car being put up for auction is exciting enough, but the profits from #Luftauto are going to something even cooler – cancer research. In particular, the money made will be donated to the Autumn Leaves Project, a charity that's dedicated to battling pancreatic cancer. For those not familiar, pancreatic cancer is one of the most despised, merciless forms of cancer around, infamous for its ability to remain undetected until it's far too late to combat. It's a truly hateful disease. You can check out #Luftauto in action in the video up top. It crosses the block on April 10 in Los Angeles. Additional details can be found at the Luftgekuhlt website. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.