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Honda bringing LMP2 racer to Pikes Peak

Pikes Peak always brings out an array of interesting entries. Honda has fielded quite a few of its own, but will take the unusual step this year of entering a Le Mans prototype. The new ARX-04b is the latest in a line of prototypes which Honda Performance Development and Wirth Research developed to compete in the LMP2 class in series like the FIA World Endurance Championship, the United SportsCar Series and at the 24 Hours of Le Mans. Though it's designed to race on closed circuits, Honda has announced that it'll be taking on the 156 turns and 12.42 miles of the Pikes Peak International Hill Climb this year. Driving duties will be handled by Justin Wilson, an accomplished British circuit racer who's competed in Formula One and won races in the IndyCar Series and in Champ Cars before it. He's also tried his hand at Formula E and competed in Le Mans prototypes before as well. Though it will be entered in the Unlimited class, it won't be gunning directly for the record set by Sebastien Loeb two years ago in the Peugeot 208 T16. At least not just yet. "This is an exploratory effort," said HPD chief Art St. Cyr, "to learn as much as we can in advance of a possible future assault on the outright record." We're looking forward to seeing what she'll do when the event takes place later this month. Honda-Powered HPD ARX-04b to tackle Pikes Peak Jun 17, 2015 - TORRANCE, Calif. - Indy car veteran, race winner Justin Wilson to pilot LMP2 machine - New coupe design debuted at 24 Hours of Daytona - Utilizes production-based 3.5 liter Honda V6 engine A number of different types of Honda and Acura vehicles have taken part in the Pikes Peak International Hill Climb in recent years, ranging from the Acura NSX to the Honda Fit, and even a high-speed Honda Odyssey, but Honda Performance Development has upped the ante this year by entering one its newest sports cars in the race up the 14,110-foot mountain. The new Honda-powered HPD ARX-04b LMP2 coupe that competed in this year's Rolex 24 Hours of Daytona has been entered in the 2015 Pikes Peak event, and will be driven by Verizon IndyCar Series race winner and former Formula 1 driver Justin Wilson. The ARX-04b will be the first full-carbon monocoque vehicle ever sanctioned for PPIHC entry and will be fitted with a 3.5-liter V6 twin-turbocharged engine. The ARX-04b will compete in the Unlimited class, which features highly-modified cars that can navigate the 156 turns of the 12.42-mile course in under 10 minutes.

Honda patents engine with different cylinder displacements

A basic rule of engine design states that the displacement of a cylinder is equal to the engine's total displacement divided by its cylinder count. Honda, according to a recently surfaced Japanese patent, is looking to break that rule with an engine containing cylinders of different sizes. We've done our best to translate it from patent-ese. The idea is that different-sized combustion chambers give more flexibility when any combination of cylinders are deactivated, or rested. Because the different numbers can be combined in various ways, it provides more and smaller increments than would an engine with equal-displacement cylinders. Take a 2.0-liter four-cylinder, for example. Following the golden displacement rule, each of the four cylinders has a volume of 500 cc, giving displacement increments of 500 cc when any cylinder is deactivated. But suppose instead that the four cylinders displace 300, 425, 600, and 675 cc, respectively. This would give the engine 15 available displacements instead of just four, and the spacing between each option would be far less than 500cc. As a result, those different virtual displacements would provide more adjustment between power and efficiency than a cylinder-deactivation system can on a conventional engine. Honda's patent describes cylinders with equal bore size, with the displacement from cylinder to cylinder varying based on the crank throw radius – the longer the throw, the longer the stroke and the larger the displacement of that particular combustion chamber. The patent describes how the cylinder sizes would need to be arranged to spread the load on the crankshaft and presumably limit vibration that would be introduced by the different pulse magnitudes. If we're interpreting things correctly, the largest cylinder (the one with the longest crank throw radius) sits in the middle of the bank with the smaller ones alternating on either side as they decrease in displacement. This concept is described for multi-cylinder inline and V-type engines of various sizes. The patent was filed in March of 2014 and published in January of this year. Whether or not this arrangement will reach production is of course unknown, but the advantages in terms of both efficiency and power seem promising. Related Video: News Source: Japan Patent Office via Auto Guide Green Honda Fuel Efficiency Technology patent

Car and Driver lists 10Best for 2013, same as it ever was

Forgive us for having the distinct feeling of déjà vu, but it certainly feels like we've been here before. By that we are referring Car and Driver and the announcement of its annual 10Best vehicles for 2013. To be sure, it's an impressive selection of cars that combine heart-pounding performance and frugal sensibilities, but it also represents something of a broken record on the part of C/D. We're not so sure that's a flaw, though, as the resulting list is tough to argue with.
Vehicles like the Ford Mustang, Porsche Boxster, and BMW 3 Series have maintained their high-horsepower spots on this list for several years now. Even on the more practical and nimble end, the Honda Accord, Honda Fit and Mazda Miata have not budged. These continued spots are even in light of redesigns for some vehicles such as the Accord, Boxster and 3 Series.
In fact, the only newcomer to the 10Best list this year are the Scion FR-S/Subaru BRZ twins, which knocked out the Cadillac CTS-V. We think it would have been a huge misstep to have excluded the FR-S/BRZ, even in light of the supercharged Caddy's lamentable departure from 10Best.