1992 Mazda Rx-7 Touring Edition, Excellent Condition on 2040-cars

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RingBanana Miata breaks 9-min Nurburgring barrier

The RingBanana is a cheap Mazda MX-5 Miata on a screaming mission: to lap the Nurburgring in under nine minutes. And let us emphasize the word "cheap." The team wanted the least expensive Miata they could find that still ran, and then wanted to spend the least amount of money possible in order to hit their target mark. We don't know how much they spent on the Ringbanana, but they were so indiscriminate about the purchase that they don't know what year the car is. They only know that it's got 90 horsepower, green springs, Fulda tires, and "it's completely crap." After setting a base lap of 9:21.8 the guys behind the project figured they'd have a fair bit of work. Turns out a new set of Kumho V70A semi-slick, road-legal race tires paired with Gabriel Pirana's driving is all they needed. With just that mod Pirana set a lap time of 8:59.9, and that was while having to deal with one spot of slow traffic that was getting around a stricken car. According to Wikipedia, this puts them between a 2010 Range Rover Sport Supercharged and a 2007 Chevrolet Cobalt SS. Even though the team achieved its goal on its first attempt, the Ringbanana game isn't over – there's probably a suspension mod in the near future while the guys figure out just how quickly they can go. The video above does a good job of showing just how fun it can be driving a slow car fast.

Mazda reports strong Skyactiv sales, plans to boost output 25%

Mazda is set to expand production of its Skyactiv engines after critical and commercial acclaim for the fuel-sipping powerplants. The Japanese manufacturer has a number of plans in the works to bump up production, with the first being a 25-percent increase in output from its Hiroshima, Japan engine facility.
Besides adding a new line, Mazda will modify the line that built MZR engines, a family of mills that includes the 2.3-liter, turbocharged four-cylinder found in the Mazdaspeed3 and the 2.0-liter found in the MX-5 Miata. The bump in production is just part of Mazda's goal of selling 1.7 million vehicles globally by 2016, with 80 percent of those vehicles expected to wear a Skyactiv badge.
Mazda also builds Skyactiv engines at a joint-venture facility with Ford, in Changan, China, while a Mexican facility will go online by March of 2014. Skyactiv engines currently power the Mazda3, Mazda6 and CX-5.

Mazda Skyactiv-X Review | The revolution begins with a squeeze-bang

The matte black Skyactiv-X prototype looks like a rough Mazda3, perhaps reconstructed after a bad wreck by an over-enthusiastic owner of a spot welder and lots of gaffers' tape. Ribbed ducts poke out of the dash sending two breaths of conditioned air to no one in particular. Even its revolutionary engine, the thing we're here to experience, is entombed in a massive, nondescript cover to mask its unseemly noises. It's a wild, strange way to meet a very unconventional vehicle that promises diesel-like fuel economy, a wide torque band, and an exotic method for burning less gas than ever before. It takes a few hours for Mazda's engineers to explain the fundamental principles of operation. For more detail, read our Skyactiv-X Spark Controlled Compression Ignition explainer, but here's a very brief overview. Skyactiv-X marries some traditional gasoline engine characteristics with a novel form of compression ignition called SPCCI. The key for Skyactiv-X is to use very high compression in the cylinder and an extremely lean fuel-air mixture. Squeezed right to the cusp of getting hot enough to blow up all on its own (which is very hard to predict), a squirt of extra gas and a spark interject to cross that compression-ignition threshold in a controlled and predictable manner. See the animation below: That takes a few essential components to get just right. One is a massive amount of computer processing power and some pressure sensors in the individual cylinders, because the ambient conditions change how and when these things happen. Skyactiv-X uses a clutched supercharger to pump in additional air when needed to nail the mixture precisely, and high-pressure injectors to get the low ratios of fuel to disperse properly in the chamber. And since it operates like a conventional gasoline engine sometimes, it uses valve timing to lower the very high compression ratio so it doesn't reach combustion ignition in that mode. In practice, the Skyactiv-X runs in compression ignition mode most of the time. In practical terms, that means it drives like a torquey gasoline Skyactiv engine. The torque curve is broad and flat — diesel-like in that respect. That also means it can get away with using a six-speed transmission and a lower final drive for better response. There's enough grunt and economy together that Mazda can let the engine spin faster — at 60 mph, it's running at roughly 1,000 more RPM than a similar gas engine, with greater efficiency.