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Is the skill of rev matching being lost to computers?

If the ability to drive a vehicle equipped with a manual gearbox is becoming a lost art, then the skill of being able to match revs on downshifts is the stuff they would teach at the automotive equivalent of the Shaolin Temple. The usefulness of rev matching in street driving is limited most of the time – aside from sounding cool and impressing your friends. But out on a race track or the occasional fast, windy road, its benefits are abundantly clear. While in motion, the engine speed and wheel speed of a vehicle with a manual transmission are kept in sync when the clutch is engaged (i.e. when the clutch pedal is not being pressed down). However, when changing gear, that mechanical link is severed briefly, and the synchronization between the motor and wheels is broken. When upshifting during acceleration, this isn't much of an issue, as there's typically not a huge disparity between engine speed and wheel speed as a car accelerates. Rev-matching downshifts is the stuff they would teach at the automotive equivalent of the Shaolin Temple. But when slowing down and downshifting – as you might do when approaching a corner at a high rate of speed – that gap of time caused by the disengagement of the clutch from the engine causes the revs to drop. Without bringing up the revs somehow to help the engine speed match the wheel speed in the gear you're about to use, you'll typically get a sudden jolt when re-engaging the clutch as physics brings everything back into sync. That jolt can be a big problem when you're moving along swiftly, causing instability or even a loss of traction, particularly in rear-wheel-drive cars. So the point of rev matching is to blip the throttle simultaneously as you downshift gears in order to bring the engine speed to a closer match with the wheel speed before you re-engage the clutch in that lower gear, in turn providing a much smoother downshift. When braking is thrown in, you get heel-toe downshifting, which involves some dexterity to use all three pedals at the same time with just two feet – clutch in, slow the car while revving, clutch out. However, even if you're aware of heel-toe technique and the basic elements of how to perform a rev match, perfecting it to the point of making it useful can be difficult.

The hottest modern sports cars rendered as rally racers

The modern-day World Rally Championship a monumental amount of fun to watch – I should know, as I recently was lucky enough to head to the UK to watch WRC Wales Rally GB – but even the most monstrous of the current WRC cars are based on fairly pedestrian European hatchbacks. Back in the heyday of rally, the Group B era in the 1980s, much hotter cars were the basis of even more incredible competition machines, for the most part. Take the exotic Ford RS200, or the Lancia Delta S4 with its twin-charged engine. And the hatchback-based Group B cars were bonkers, too. So what would some of our favorite modern cars look like if Group B had never ended? A British site named CarWow hired an artist to reimagine everything from the Rolls-Royce Wraith to the Porsche 911 as a retro-inspired rally car, and they were kind enough to let us share the results in the gallery above. The gallery features an Alfa Romeo Giulia in Martini livery, an Audi TT in classic Ur-Quattro colors, a Fiat 500 Abarth sporting massive flares and a hood blister full of auxiliary lights, a new Ford Mustang in RS200 livery, a Lancia Delta in Alitalia colors, a Porsche 911 in Rothmans livery, a Renault-Alpine in classic blue, a Rolls-Royce Wraith tribute to the Jules cologne Corniche Coupe, and a relatively modern-looking VW Touran. So far, the favorite around the office is the incredible Mercedes-Benz S-Class that is an homage to the wonderful 300 SEL 6.8 AMG "Red Pig" that essentially put AMG on the map. Check out the gallery above and see which one you like the best. Related Video:

Porsche names new chief for North America

Porsche has named a new president and CEO for its North American division. The role will now fall to Klaus Zellmer, named by the executive board back in Stuttgart, and slated to take effect at the beginning of November. Zellmer's appointment is just the latest round in an ongoing game of musical chairs (or Reise nach Jerusalem as the Germans call it for some reason) underway in the Volkswagen Group at large and in the Porsche division specifically. In the wake of the diesel emissions scandal, Porsche CEO Matthias Muller was promoted to replace Martin Winterkorn as head of the entire group. Porsche's own production chief Oliver Blume was named as Muller's replacement. Sales and marketing chief Bernhard Maier moved to the Czech Republic to run Skoda, and Detlev von Platen – who served until now as the president and CEO of Porsche Cars North America – was recalled to Stuttgart to take Maier's place. Now Zellmer has been named as von Platen's successor in Atlanta. Schooled in Germany, the UK, and the US, Zellmer has until now been responsible for overseas and emerging markets for the company. In that capacity he's overseen regional operations in Asia-Pacific, South America, the Middle East, and Africa, as well as Australia, Japan, and Korea. He previously ran operations in Porsche's home market, where he nearly double the company's sales in less than five years. Of course his appointment means that Porsche will in turn need to name a new executive to oversee those oversees markets, but this is about as far as we'll be chasing the ripple effect. Related Video: Klaus Zellmer to lead Porsche Cars North America Detlev von Platen to join Porsche AG Executive Board as new member responsible for global Sales and Marketing ATLANTA, Oct. 13, 2015 /PRNewswire/ -- Porsche AG's Executive Board appointed Klaus Zellmer as new President and Chief Executive Officer of Porsche Cars North America, Inc. (PCNA), effective November 1, 2015. PCNA's current President and Chief Executive Officer, Detlev von Platen, will relocate from Atlanta to Porsche headquarters in Stuttgart, Germany to assume his new role as Executive Board member responsible for global Sales and Marketing, also effective November 1, 2015. He succeeds Bernhard Maier, who was appointed Chairman of the Board of Management for SKODA in the Czech Republic. Mr. von Platen has led PCNA since 2008. Under his leadership North America remained the most important market for Porsche worldwide.