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Mazda Skyactiv-D racer first diesel to run at Indy in 60 years

While it may not be touting the old "Win on Sunday, sell on Monday" axiom we all know and love, Mazda recognizes that racing can only improve its cars. And so it's no surprise that the Japanese automaker is testing and refining its Skyactiv-D diesel engine by sending it out on various race tracks around the country - notably being the first diesel ever to compete at Daytona and the first to notch a Grand Am win at Road Atlanta.
Next up? Indy. It has been over 60 years since a diesel-powered machine ran at the Indianapolis Motor Speedway, and the Cummins-powered racer that competed in the 1952 Indy 500 with a 6.6-liter inline-six-cylinder oil-burner was a fast and brutal machine that set a new lap record in qualifying leading up to the race. Though that car was withdrawn with turbocharger failure 71 laps in, its diesel powerplant left an indelible impression on the racing community, and that's something Mazda hopes to accomplish once again.
Mazda says that the diesel engine in its race car is pretty darn close to stock - 51 percent stock by parts count, and 63 percent stock by weight - which means the way it performs in competition is at least a somewhat meaningful way to the stock engine's durability in the real world. Check out the image of the Mazda6 Skyactiv-D racer posing alongside the 1952 Cummins above (click to enlarge) and feel free to peruse the press release below for the rest of the details.

Mazda hopes to return to Le Mans

Mazda has been away from the winner's circle at Le Mans for some time now. But it could be preparing a return to the forefront at the famous French endurance race in the near future. That is, at least, if the racing enthusiasts within its ranks get their way. "I know that the expectation for us to return to Le Mans is high. I can imagine a day when Mazda returns," Nobuhiro Yamamoto told Top Gear at the Goodwood Festival of Speed this past weekend. "I hope - as with many other Mazda fans - that we go back to Le Mans." His words hardly serve as confirmation of the Zoom-Zoom brand's intentions, but they certainly speak rather loudly to a desire within its ranks. They hardly come out of left field, either. Yamamoto-san is arguably the man best positioned to spearhead such a campaign – or would at least be best informed if such a campaign were underway. He's currently the program manager for the MX-5, and decades ago was the racing engineer behind the 787B. That Group C prototype racer represented Mazda's last major effort at taking top honors at Le Mans, and take them it did when it won the race outright in 1991. The Japanese automaker was out in force this past weekend at Goodwood, the event's central sculpture honoring Mazda's racing history, and its presence only fueling rumors that it could be preparing a renewed assault on endurance racing – potentially once again under rotary power. The 787B, motorsport history buffs will tell you, represented the first and last time to date that a Japanese manufacturer won the 24 Hours of Le Mans. Although Toyota has been competing with Audi and Porsche at the front of the field with the TS040 Hybrid, it has yet to win the key race, despite having taken the FIA World Endurance Championship last year. "Everyone at Mazda would love to see the only Japanese company to ever win the 24 Hours of Le Mans return to the famed twice-around-the-clock classic," a spokesman for Mazda's North American motorsports department told Autoblog by correspondence. "Whether that'll actually happen isn't something we can discuss at this time, but, given our historical and current involvement in motorsports, our interest in the event should be no surprise to anyone. We agree with Yamamoto-san when he says he hopes it happens." So while Mazda may not be ready to confirm the prospect of its return to Le Mans, it certainly isn't ruling it out, either.

Mazda Recalling Cars Due To Spider Webs In Engines

It seems that Yellow Sac spiders really, really love Mazda. Three years after Mazda recalled 52,000 Mazda6 sedans over spider webs obstructing the evaporative canister vent lines of 2009 and 2010 Mazda6 models, another recall has been issued for 42,000 more of the models built between 2010 and 2012 and equipped with the 2.5-liter four-cylinder engine. According to the automaker, there have been nine confirmed sightings of spiders in vent lines since the original recall. It seems that covers were applied at the factory to keep the arachnids from entering, but it hasn't quite exterminated the problem. A reflash of the ECU is required that "[changes] the logic behind how the car purges the charcoal canister during normal operation," says Jeremy Barnes, Director, Public Relations & Brand Experience at Mazda North American Operations. So far, Mazda has not recorded any fires, accidents or injuries due to this tangled mess of webs. Recall notices will be mailed out to owners later this month. This story original appeared on Autoblog. Related Gallery Utter Driving Delight: The 2014 Mazda MX-5 Miata Recalls Mazda Mazda6