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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.

2015 Porsche Cayenne Turbo S gets faster, more powerful [w/video]

Porsche just isn't letting development of the Cayenne Turbo S cease. The 2014 edition was unveiled at last year's Detroit Auto Show boasting 550 horsepower from the brand's 4.8-liter twin-turbo V8, and it could hit 60 miles per hour in 4.3 seconds to a 175 mph top speed. Those seemed like very impressive specs for an SUV, but only a year later, the German brand has revealed an even more powerful take on its flagship trim in the model lineup. The 2015 Cayenne Turbo S now makes 562 horsepower and 590 pound-feet of torque from the same V8. The key to seeing such a significant boost in grunt so quickly is that the two turbos are now integral and are located directly in the exhaust manifolds. Porsche's eight-speed Tiptronic automatic gearbox still routes power to all four wheels. All of the tweaks let the SUV hit 60 miles per hour in 3.8 seconds and a 176 mph to speed. Stopping should come quite rapidly too thanks to 16.5-inch diameter ceramic brake discs up front with 10-piston calipers. Of course, the Cayenne needs to be able to put that added grunt to good use. Porsche claims that the model can lap the Nurburgring Nordschleife in 7:59.74. Comparatively, the 550-hp Land Rover Range Rover Sport SVR previously touted its SUV 'Ring lap record with a circuit in 8:14 in 2014. The Turbo S doesn't try hard to show off its added prowess, though. Up front, the bumper and undersides of the door mirrors are done in high-gloss black paint. Meanwhile, the roof spoiler and wheel arches are body color. The 21-inch wheels with black edges provide a little flash, and LED headlights are standard. The interior should be comfy too with black and creme leather and carbon fiber accents. The whole package rings up for $157,300, plus $995 destination and delivery, and US deliveries start in late April. Check it out in Porsche's video below. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. The new Cayenne Turbo S The top athlete among SUVs At the 2015 North American International Auto Show in Detroit, Porsche is also introducing the new Cayenne Turbo S – the top model of the sporty SUV model series. Its re-engineered 4.8-liter V8 biturbo engine now develops 570 hp (419 kW) and 800 Nm (590 ft lb) of torque. A chassis that is tuned for maximum driving dynamics and packs a wide range of control systems also makes the Cayenne Turbo S a genuine top athlete.

Here's how to follow this weekend's 24 Hours of Le Mans

In the pantheon of motorsports, the 24 Hours of Le Mans stands as one of the great endurance challenges to man and machine. This year's event in France already looks to be one for the ages with Porsche setting record-breaking times in practice and the competition debut of Nissan's front-engine, hybrid racer. Thankfully, there's a massive list of ways to follow this automotive attraction. Reilly Brennan, the Executive Director of the Revs Automotive Research Program at Stanford University, and a friend of Autoblog, has once again assembled a helpful couch-kit to organize many of the options. Unfortunately, the old-school way of just turning on the television might be the most frustrating way to watch Le Mans this year. Fox Sports 1 and 2 are carrying about half the race, but the coverage bounces between them seemingly at random. The broadcast begins on Fox Sports 2 at 8:30 AM Eastern ahead of the 9:00 AM start and lasts there until 12:00 PM. Things don't pick up again until 7:00 PM Eastern on Fox Sports 1 for an hour, and the channels swap back and forth more from there. The Fox Sports Go streaming app offers more, but even it stops showing the race a few times. Thankfully, streaming Le Mans is easy. If you can't dedicate 24-hours on the couch, Radio Le Mans lets you listen to audio commentary anywhere with some of the best announcers in the biz. The Automobile Club de l'Ouest, the governing body for the race, also offers an official video stream in an app for $9.99. For a really low-tech solution, the official Twitter is another choice. Brennan is keeping his list updated with coverage changes. You can also check out and download the spotter's guide (from Nissan) in the gallery above. Enjoy this year's race. If you miss anything, don't worry; expect a full report from Autoblog. In fact, editor-in-chief Mike Austin is attending Le Mans this year, so follow him on Twitter for on-the-fly impressions. Featured Gallery 2015 24 Hours of Le Mans Spotter's Guide News Source: Reilly BrennanImage Credit: Nissan Motorsports Audi Nissan Porsche Toyota Hybrid Racing Vehicles