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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.

Feds investigating 2010-11 Mazda CX-9 CUVs over braking issues

The National Highway Traffic Safety Administration is investigating 62,000, 2010-2011 Mazda CX-9 models over brake problems. The government safety watchdog says it has received seven complaints of an observed loss of power braking power to stop the crossover, according to the The Detroit News.
The NHTSA complaints say that the problem causes a hard pedal, increased braking effort and reduced braking effectiveness. Some complaints allege that they hear a hissing noise during braking similar to the sound of air leaving the tires. No injuries or crashes have been reported.
"As always, we are fully cooperating with NHTSA on their investigation. We cannot comment further at this time," said Mazda spokesperson Tamara Mlynarczyk to The Detroit News.

Mazda refurbishing this NFL running back's 22-year-old daily driver

I don't actually care for the Washington Redskins (which is a good thing, considering the start to their season this year), but I love their running back, Alfred Morris. Why? Well, to start with, Morris helped deliver a dominating 10-3 season for my fantasy football team last year after a flash of prescience saw me pick him up off the waiver wire in Week 1 (hit me up on Twitter if you need fantasy sports insight, guys, I'm sort of like the Ruxin of Autoblog).
Morris is also pretty endearing because of his loyalty to his car, Bentley. Hold up - that's not to say the running back has splashed out on a Continental GT or a Flying Spur. No, Morris gave his much-loved 1991 Mazda 626 the tongue-in-cheek name "Bentley" while he was still a student at Florida Atlantic. One 1,613-rushing-yard rookie season and a $2.2-million contract later, and Morris is still using his Mazda as his daily driver. It might be easy to assume that the young player is simply being really prudent with all of his newfound wealth, but the guy really just has a thing for his five-speed-manual 626.
And Mazda, of course, loves the story of Morris' affection. In an effort to keep his 626 running strong and looking good, the company's Washington D.C.-area dealers have agreed to refurbish Bentley back to its original showroom freshness. Rather than spoil the classic (?) lines of the 626, the Mazda folks are essentially restoring the car for Morris. The cracked dash will be swapped out for a factory replacement, the engine and transmission given a thorough going-over and the whole vehicle generally made as fresh as Will Smith circa 1991. Bentley is expected to be completed and rolling through the capitol city by October 15, and in the meantime, Morris has been driving around in a new 2014 Mazda6 loaner car.