Video: ‘Faster. Farther.’ dives into the history of Porsche racing tech

Filed under: Motorsports, Videos, Porsche, Racing

Porsche video highlights technological achievements in preparation for a US museum display of the 917.

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.

Porsche is putting two 917s on display in the North Carolina Museum of Art starting on Oct. 12, and the company produced a video, which you can watch below, to hype up the exhibit. Enjoy!

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‘Faster. Farther.’ dives into the history of Porsche racing tech originally appeared on Autoblog on Wed, 07 Aug 2013 17:02:00 EST. Please see our terms for use of feeds.

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New York 2011: Jeep says point of 2012 Grand Cherokee SRT8 was better, not faster

Filed under: New York Auto Show, Performance, SUV, Jeep, Luxury, Off-Road

2012 Jeep Grand Cherokee SRT8 – Click above for high-res image gallery

At the 2011 New York Auto Show, we asked Joseph Grace, vehicle line executive for the SRT line, about the specs on the new 2012 Jeep Grand Cherokee SRT8 – specifically, why didn’t they make it… more. The previous Grand Cherokee SRT8 was said to reach 60 miles per hour “in under five seconds” while the new one is pegged at 4.8 seconds. While that’s an improvement of, at most, one-nineteenth of a second, it puts it right about square with the Mercedes ML63 AMG and at least three-tenths of a second adrift of the BMW X5 M.

But Grace said that wasn’t really the point. “The major issues customers had that we wanted to address,” he said, “were the ride, the exhaust, and fuel economy and range.” This wasn’t about making a faster SUV, it was about filling in the gaps of the previous model.

The center-mounted exhaust was swapped for dual pipes at the corners. The engine technologies – “it’s the first time we’ve coupled all-out performance with cylinder deactivation and active exhaust,” Grace said – have yielded better gas mileage and longer range.

The adaptive ride suspension developed in conjunction with Bilstein addresses the handling issues with five settings. On the matter of having a Track setting in such serious tonnage, Grace said “It was an application we had available with the adaptive damping.” It shunts a little more torque to the rear wheels, going to a 60/40 front-to-rear split instead of 65/35, but Grace says “The track setting will keep the tires on the ground and makes [the ride] stiff but it can still be used on the road.”

As for those German rivals, Grace said “We haven’t announced pricing, but in comparison to the others it will be a benchmark in performance-for-value in a super-equipped vehicle.”

Gallery: 2012 Jeep Grand Cherokee SRT8: New York 2011

2012 Jeep Grand Cherokee SRT8 at the 2011 New York Auto Show2012 Jeep Grand Cherokee SRT8 at the 2011 New York Auto Show2012 Jeep Grand Cherokee SRT8 at the 2011 New York Auto Show2012 Jeep Grand Cherokee SRT8 at the 2011 New York Auto Show2012 Jeep Grand Cherokee SRT8 at the 2011 New York Auto Show

Live photos copyright (C)2011 Drew Phillips / AOL

New York 2011: Jeep says point of 2012 Grand Cherokee SRT8 was better, not faster originally appeared on Autoblog on Thu, 21 Apr 2011 18:59:00 EST. Please see our terms for use of feeds.

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Spy Shots: Roding Roadster hopes to be faster than the speed of ugly

Filed under: Spy Photos, Convertible, Performance

Roding Roadster spy shots

Roding Roadster spy shots – Click above for high-res image gallery

Yikes. It doesn’t matter if you’ve never heard of Roding, the company responsible for this lightweight ‘Ring-runner, there’s no getting around the fact it’s quite unattractive. Our trusty spy photographers recently spotted a prototype for Roding’s next track-ready creation, and while its performance specs make us raise an eyebrow of intrigue, its appearance makes us want to wash our eyes with heavy-duty soap.

You don’t have to look at it while you drive, though, and what the roadster lacks in beauty it certainly makes up for in performance. Underneath the 2,100-pound carbon fiber shell lies a turbocharged six-cylinder engine good for around 300 horsepower and 295 pound-feet of torque running through a six-speed manual transmission. Not only will this little hellion be ultra quick off the line, it’s said to be able to reach 1.4 gs in the corners.

The production version of this car will reportedly be unveiled sometime in early 2011, with a limited-production run of 23 cars going on sale in June. Scroll through our high-res gallery of spy shots below, if you dare.

Gallery: Spy Shots: Roding Roadster

Roding Roadster spy shotsRoding Roadster spy shotsRoding Roadster spy shotsRoding Roadster spy shotsRoding Roadster spy shots

[Source: CarPix]

Spy Shots: Roding Roadster hopes to be faster than the speed of ugly originally appeared on Autoblog on Thu, 21 Oct 2010 18:27:00 EST. Please see our terms for use of feeds.

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