Unsurprisingly, a more track focused Viper ACR has been confirmed for production (Viper GTS-R shown). SRT CEO Ralph Gilles has previously hinted at a Viper ACR but a high-level at Chrysler has confirmed to Motor Trend that a faster snake is already under development. Apparently, the reason for the delay is not budget or technical difficulties facing the SRT team. Rather, it's a problem with the tires. The SRT team would like some of the sticky goodness wrapping the Corvette ZR1's wheels - the Michelin Pilot Sport Cup tires. However, Michelin wouldn't sell the tires to SRT. The Corvette team may have had something to do with it but that would be difficult to confirm. Either way, they are now pressing their supplier, Pirelli, to develop something comparable to the Pilot Sport Cup tires to be used on the Viper ACR. The development for the car and tires are expected to be done for the 2014 calendar year. Along with upgraded tires, the ACR should receive a bunch o
Mitsubishi Evo X GSR at Atlantic Motorsport Park - Kevin Doubleday © If you live in Canada or the US, you'll find that plenty of people hold sacred the terms '4x4' and '4WD' to describe a 'true 4x4', where you have a butch transfer case with a low speed, perhaps a body on frame chassis, and ideally a solid axle or two. I'm not sure how that translates to the rest of the world. My extensive research into the motoring industry in Europe (which exclusively consists of watching Top Gear and The Grand Tour...) concluded that most people across the pond simply refer to any vehicle that is capable of sending any power to all four wheels as a 4WD vehicle, further muddying the waters. Where I grew up, 4x4 was more or less synonymous with 'Jeep' so that's not much help either. However, despite all various systems attempting to do the same sort of thing - distribute power between all four wheels instead of two - not all systems are created equal,