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This is what a 1,200-hp twin-turbo 4-rotor looks like in a Miata

We've seen the diminutive Mazda MX-5 Miata swallow plenty of big engines, but New Zealand drifting ace "Mad Mike" Whiddett is roaring into where-no-man-has-gone-before territory. Wanting to replace his 515-horsepower "MADBUL" RX-7 and its twin-turbocharged, three-rotor 20B engine, his new ride is an NC-series Miata with four rotors and twin Garrett turbochargers courtesy of Pulse Performance Race Engineering. It is called "RADBUL," and expected power at standard boost is 1,200 hp, but the builders at Pulse Performance think it will get up to 1,500 hp at full boost. And yes, that exhaust exits through the hood. Four-rotor engines are actually popular - builds are detailed on forums like this one from 2007 and this one from 2008, this UK company or this Canadian company will sell you one complete - but they're usually being prepped for an RX-7. Mad Mike's choice of a Miata for this enterprise makes this about as extreme as you can get, short of throwing it into a Mazda R360. You can watch Mad Mike tell the story of the build in the video, and check out the first and second installments about the build on the Red Bull site.

MotorWeek finds nice things to say about the 1993 Ford Probe

This latest in MotorWeek's series of Retro Reviews continues its recent trend of remembering the massive glut of sports coupes that hit the market in the '90s. While vehicles like the Mitsubishi 3000GT, Mazda RX-7, and Ford Mustang all enjoy solid reputations down to this day, the 1993 Ford Probe, well... doesn't. As you'll soon see, though, the show's opinion suggests the coupe's second generation isn't really all that bad. Turns out they just weren't particularly sporty. Ford and Mazda developed the Probe together, and the Japanese company supplied both the base 115-horsepower 2.0-liter four-cylinder and the 164-hp 2.5-liter V6 in the GT trim. The original's pseudo-angular look gave way to a much smoother shape for the second generation. Of course, pop-up headlights remained, which were a design hallmark for many of this era's sports coupes. After driving it, MotorWeek proclaims the Probe is "a winner" and considers the handling a "delight." That's not a big surprise, considering that in those days, a car had to be really bad not to get a decent review from Television's Original Automotive Magazine. However, the show hints at some of the reasons the coupe isn't so well remembered today. Even the GT reportedly suffers from soft springs and lots of understeer, which sounds like exactly the opposite anyone hoping to drive the coupe enthusiastically would want. To sum it all up, we're sure you're just as happy as we are that Ford went back on its initial plan to shelve the Mustang in favor of the front-drive Probe. Related Video:

Mazda previews 2016 Miata Global MX-5 Cup racer

At this point, we all know that the Mazda MX-5 Miata is a highly capable racing platform. Mazda even claims that the car is the most road-raced model in the world. Fittingly, then, the Japanese brand is making a huge announcement about the future of motorsport for its next-generation convertible. The MX-5 Cup is going worldwide in 2016 as the MX-5 Global Cup, and all of the racers are getting behind the wheel of the upcoming fourth-gen Miata, similar to the gorgeous redhead pictured above.
"It has long been our goal to see Mazda fans around the world competing in identical MX-5s, and the launch of the 2016 MX-5 Miata is the perfect time to make this goal a reality," said Masahiro Moro, Managing Executive Officer in charge of Global Sales, Marketing and Customer Service for Mazda in the company's announcement.
The racing version makes its grand debut at this year's SEMA show, although at the moment it's really more of a concept. Mazda confirms that the racer uses the 2.0-liter SkyActiv four-cylinder, but the other important parts like tires, suspension and safety equipment are not yet determined. The cars "will be sold ready to race from a single supplier," according to automaker's announcement for the series.