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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.

2013 Porsche 911 Carrera 4S

I don't care who you are; when a new Porsche 911 rolls up in your driveway, that's a pretty good day. This was my very first experience with Porsche's 991 911, and after having spent time with just about every tune and trim of the last car, I was hotly anticipating comparing and contrasting.
Somehow (I don't remember sending out any cash-filled, unmarked envelopes) I'd scored a week in the 911 Carrera 4S over a long holiday weekend, too. That meant that I'd get to A) log a ton of miles in one of the best cars in the world, B) get to show-off the Porsche to family and friends and C) tempt cops in three states to pull me over. Good thing I've got the Autoblog traffic lawyer on speed dial...
Driving Notes

Porsche Macan to get four-cylinder engines

Porsche hasn't offered a four-cylinder engine since the 968 went out of production in 1995 - the better part of two decades ago. There'd been talk of a four-pot Boxster or an even smaller model to slot in below it, but while the latest intel indicates that Porsche is moving ahead with its four-cylinder plans, it's a different kind of vehicle that will get it first.
That, of course, would be the new Macan. Just revealed a few weeks ago at the LA Auto Show, the Macan crossover is being launched with a pair of twin-turbocharged V6 engines (a 3.0 with 340 horsepower and a 3.6 with 400 hp) and a six-cylinder turbodiesel with 258 hp. But smaller engines, according to emerging reports from Autocar and Auto Express, are on their way.
Word has it that Porsche is preparing a 2.0-liter turbo four with 280 horsepower and a diesel with the same displacement and cylinder count, engines that will power new entry-level Macan models that will slot in beneath the existing Macan S, Macan S Diesel and Macan Turbo. While the diesel is tipped to be ported over from the Volkswagen parts bin, the four-cylinder gasoline engine is said to be under development by Porsche itself, which could mean it will have a boxer layout.