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Nissan explains why GT-R LM Nismo is front-wheel drive

History and conventional wisdom tell us that a racing car should be either rear-wheel drive or have its engine in the middle (or, preferably, both). Considering this, Nissan's decision to field a front-wheel-drive, front-engined race car at the 2015 24 Hours of Le Mans is at least a little bit strange. Why, though? Why is Nissan ignoring literally decades of evidence to the contrary with the new GT-R LM Nismo? As the company's driver, Jann Mardenborough tells it, the layout plays to the all-consuming pursuit of optimum aerodynamic efficiency. Check out Nissan's full explanation behind the front-drive GT-R and get a taste of the company's FWD racing pedigree, in the video attached up top.

Nissan previews new Sport Sedan Concept ahead of Detroit debut

When the Cobo Center opens its doors in a couple of weeks for the Detroit Auto Show, there'll be plenty of new metal on display - and this is the latest.
Nissan announced today that it will bring a new Sport Sedan Concept to the Detroit show, releasing the short statement below accompanied by the teaser image above. Expected to hint at the next Maxima, the concept "previews a new energetic design direction that amplifies Nissan's legendary approach of applying sports car principles to a sedan."
That's about all Nissan is saying for now, so we'll have to wait a while longer to find out more. But the concept will be joined on the show floor by the IDx Freeflow and IDx Nismo concepts that'll be showcased for the first time in North American after their debut at the Tokyo Motor Show over a month ago.

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.