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'Faster. Farther.' dives into the history of Porsche racing tech

No doubt, Porsche has produced some of the best endurance racecars around, such as the turbocharged, slant-nose 935 of the 1970s and the ground-effects-enhanced 956 and 962 of the 1980s. But the company's most famous racecar, its first overall winner at the 24 Hours of Le Mans, was the 917.
The 917 embodied many of Porsche's technological achievements up to that point, such as the company's first 12- and 16-cylinder engines (the flat-16 was never used in competition), fiberglass bodies that implemented early aerodynamic practices and the use of new, exotic materials, such as magnesium and titanium.
The racecar was commissioned by the head of Porsche Motorsports, Ferdinand Piëch, to win overall at the 24 Hours of Le Mans in 1970, after he realized a loophole in the rules that allowed cars to compete with engines up to five liters in the Sport category if they were also production models. Piëch saw opportunity: the top prototype class was restricted to three liters; the production minimum to compete in Sport was 25 cars. And so, with much effort, Porsche assembled 25 "production" 4.5-liter 917s and had them parked in a neat line for the race inspectors to verify their legitimacy. It didn't take long before people realized the new Porsches were much faster than the prototype racers, with a top speed approaching 250 miles per hour.

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:

Porsche trio seals endurance drivers' title

Fifth place. That's all it took for the Porsche team to seal the drivers' title in the 2015 FIA World Endurance Championship. And that's just what they did this weekend in the 6 Hours of Bahrain. The leading lineup of Timo Bernhard, Brendon Hartley, and Mark Webber drove the #17 Porsche 919 Hybrid to the drivers' title to cap a dominant season for the Weissach team. Porsche already won the pinnacle race at Le Mans this past summer, and drove home the manufacturers' title at the penultimate round in Shanghai. The championship-winning trio of Bernhard, Hartley, and Webber won four out of the total eight rounds this season – including the races at the Nurburgring, Circuit of the Americas, Fuji, and Shanghai. That gave them 166 points in the final standings, besting the 161 achieved by the Audi team of Andre Lotterer, Marcel Fassler, and Benoit Treluyer, who won at Silverstone and Spa. In beating Audi to the top honors in the championship and at Le Mans, Porsche has completely locked its corporate cousins (and chief rivals) out of the winner's circle for the first time in years. Last season saw Toyota win both titles in the WEC, but Audi still won at Le Mans. Audi won both titles in the first two seasons of the championship, and the French endurance race all but three times in the past 16 years. The last time Audi was completely shut out was in 2009, when Peugeot won at Le Mans and Aston Martin took both titles in the associated Le Mans Series with its Lola-based LMP1 prototype. This latest achievement only adds to Porsche's unsurpassed sports car racing trophy cabinet. The German outfit won 12 manufacturers' and teams' titles (and another six drivers' titles) in the 1970s and 80s under the previous World Sportscar Championship. It has won at Le Mans a record 17 times, and another 18 each at Sebring and Daytona. Porsche also took the checkered flag at the Targa Florio 11 times, won the Monte Carlo rally four times, the Dakar twice, and with TAG and McLaren, won three drivers' titles, two constructors' titles, and 25 grands prix in Formula One. Related Video: Porsche works drivers win the FIA World Endurance Championship drivers' title The new champions: Timo Bernhard, Brendon Hartley and Mark Webber Stuttgart.