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Honda Accord sets the pace as Indy safety car with HPD upgrades

Honda has rolled out a new pace car to lead the pack in the IndyCar Series. But it didn't just slap some graphics and auxiliary lighting on a production model and call it a day. Honda Performance Development (HPD) was tasked with giving the Accord coupe a thorough overhaul to prepare it for the task at hand. To the 3.5-liter V6, HPD bolted a Borg-Warner turbocharger and fitted high-flow fuel injectors and custom intake, exhaust, pistons, connecting rods and intercooler as well as the crankshaft from the Acura RLX to drive output up to 400 horsepower. The transmission was beefed up as well, with a limited slip differential to help get the power down to the track surface. To keep it all in check, HPD fitted new brakes, a stiffened suspension and rolling stock. It's all been topped off with a factory aero kit, special graphics and lighting, with Sparco seats and four-point racing harnesses fitted inside. The latest in a series supplied by Honda since 2006, the Accord safety car made its debut this weekend at the Honda Indy Grand Prix of Alabama at Barber Motorsports Park. Honda Unveils 2015 Accord Safety Car Apr 24, 2015 - TORRANCE, Calif. - Will pace IndyCar Series races starting Sunday at Barber Motorsports Park - Latest in series of Honda safety cars for Indy car competition - Production 2015 Honda Accord modified by Honda R&D Americas Honda today unveiled the 2015 Honda Accord Safety Car, which will lead the Verizon IndyCar Series field to the green flag for Sunday's Honda Indy Grand Prix of Alabama at Barber Motorsports Park. The latest in a series of Honda Safety Cars utilized since 2006 for Indy car competition, the 2015 Honda Accord Safety Car is a production model featuring performance enhancements created by Honda R&D Americas, Inc., for its new role. "The 2015 Honda Accord Coupe is an ideal match for IndyCar Safety Car duties," said Jim Lee, manager of Experiential Marketing for American Honda. "Taking its already large and powerful 3.5-liter V6 engine, we asked the team at Honda R&D Americas to enhance and develop a car that is perfectly suited to lead the Verizon IndyCar Series field. I think they accomplished all that we asked, and more." The Honda R&D team started with a production Honda Accord Coupe, then added a mix of engine and chassis modifications to create a fun, fast vehicle fully capable of pacing Indy cars at both road courses and oval tracks across North America.

Acura organizes new business division to confront falling sedan sales

Honda and Acura North America have announced a major restructuring of operations in hopes of turning around Acura's flagging business. For 2013, sales for Acura's sedans dropped 10.4 percent, while its CUV sales grew by 21 percent. The newly formed Acura Business Planning Office will attempt to right the ship.
As part of the restructuring, Acura is promoting Erik Berkman from President of Honda R&D Americas to lead a new division called the Acura Business Planning Office. Berkman has been with Honda since 1982 and led development of the 2006 Accord. He was also the first US engineer to head North American research and development and has been head of Honda Performance Development since 2008. "Erik's appointment to the new Acura Business Planning Office is a clear indication of the high priority we place on Acura," said Honda spokesperson Jeffrey Smith to Automotive News.
American Honda Motor President and CEO Tetsuo Iwamura is also going to be working to improve the business. He has been elected chairman of American Honda's board, and has simultaneously taken the new position of Corporate Brand Officer to improve the management of the company's brands.

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