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Acura NSX GT3 swings through New York en route to the track

Supercars are developed for the road, but sometimes the prospect of putting them on the track proves just too tempting to pass up. McLaren found out just that with the legendary F1, and now its racing partner Honda is doing the same with the new Acura NSX GT3 you see here. Unveiled here at the 2016 New York Auto Show, the NSX GT3 is based closely on the road-going version, but with several key differences. For starters, it ditches the trick hybrid all-wheel-drive system, not unlike the Type R we're expecting to follow. It keeps the 3.5-liter V6, but purely in twin-turbo guise (with no electrical boost in sight), driving the rear wheels through a six-speed sequential gearbox instead of the nine-speed dual-clutch transmission. The aluminum space frame carries over, but comes draped in extensively modified bodywork with more extreme aero to keep it cool and glued to the track. Since it's been designed to FIA GT3 regulations (and not the more advanced GTE), we shouldn't expect to see it competing at Le Mans against the new Ford GT (among others). But it will be in prime position to take on championships like the Pirelli World Challenge, Blancpain Endurance Series, and even the lower GT300 class of Japan's own Super GT series. Wherever it competes, though, it positively looks the business even sitting still, and we're looking forward to seeing it run. Acura Unveils NSX GT3 Racecar in New York Mar 23, 2016 - NEW YORK, NY - Twin turbocharged NSX supercar to campaign in North American competition starting 2017 - NSX slated to undergo homologation this fall as an FIA GT3 class racecar - Racecar body to be built by the Performance Manufacturing Center in Marysville, Ohio, the exclusive manufacturing home to the all-new Acura NSX supercar; engine to be produced in Anna, Ohio Acura took the wraps off a NSX GT3 racecar today at the 2016 New York International Auto Show, announcing its intention to campaign the twin-turbocharged NSX supercar in North America starting in 2017. The NSX is currently undergoing testing and slated for homologation as an FIA GT3 class racecar this fall. The unveiled Acura NSX GT3 racecar featured custom bodywork and aero components including a large deck wing spoiler, underbody diffuser and enlarged hood vents for efficient engine cooling.

Honda getting in on the Daytona Prototype racing action

Racing fans at Sebring are plenty used to seeing Honda powering into the winner's circle, the Japanese motor company having claimed class victories at the endurance race in Florida in 2007, 2009, 2011, 2012 and 2013. Those were all in the LMP2 category, but with the Twelve Hours of Sebring now part of the combined United SportsCar Championship, Honda is branching out into another class: Daytona Prototypes.
The purpose-built racing machinery that were once part of the Grand-Am series are now racing alongside the LMP2 prototypes from the American Le Mans Series under the united championship. So far Ford and Chevy have signed on to power the Daytona Prototypes, and now Honda's joining their ranks as the only manufacturer to field entries in both categories of the championship's Prototype class.
The competition-spec 3.5-liter twin-turbo V6 revealed last month is based on the same J35 engine that powers everything from the Honda Accord to the Acura RLX and MDX. Now it will power the Riley chassis fielded by Starworks Motorsports, competing alongside the pair of Honda Performance Development (HPD) ARX-03b chassis which Extreme Speed Motorsports will campaign under LMP2 regulations, giving Honda a two-pronged, three-car assault on the top class of the new American sports car racing series.

Honda revamps F1 engine for McLaren

Things haven't been going smoothly for Honda since returning to Formula One, and the Japanese automaker says the challenge has been greater than it anticipated. But after a stronger showing at the recent Hungarian Grand Prix, Honda says its reliability issues are behind it and is working on introducing a revamped engine for the second half of the season. "I am confident our reliability problems are now behind us, which means we can turn our attention to increasing power," Honda racing chief Yasuhisa Arai told Autosport. "After the summer shutdown our plan is to apply a new-spec engine using some of our remaining seven tokens." The "tokens" to which Arai refers are a way for the FIA to limit engine development. The power units are broken down into 66 such tokens in the regulations, and each engine supplier can change up to 32 of them throughout the season. The allowance was at first afforded only to returning suppliers Mercedes, Ferrari, and Renault, but Honda succeeded in convincing the FIA to allow it the same leeway. Honda has been spending its development tokens on fixing reliability issues, but will shift its focus to improving performance. The McLaren team that Honda powers has only gotten both of its cars to the finish line at two out of 10 races this season. Most of those problems came down to the new engine package. That's compared to only two retirements the team suffered last season, when it was still under Mercedes power, and none the year before. In Hungary, however, the team not only got both cars to the finish line, but placed both in the points for the first time this season. "The sport has changed immensely since the McLaren-Honda 'glory days'," said Arai. "The current technology is much more sophisticated, and it is tough to make a good racing car. We knew it wouldn't be easy, but perhaps we didn't imagine it would be this hard." The Japanese manufacturer is now spending the summer break developing its power unit. Many of those changes are expected to be rolled out in time for the Belgian Grand Prix later this month, with the rest to follow in the ensuing races. Beyond reliability, engine performance is particularly important for the high-speed races at Spa and Monza, where the subsequent Italian Grand Prix will be held early next month. Related Video: