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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.

Autoblog editors choose their favorite racecars of all time

If you like cars, there is a good chance that you like racecars. There's something about the science and the art of going faster, of competition, of achievement, that accelerates the hearts of enthusiasts. It doesn't matter the series, the team or the manufacturer – there's something about racing that stirs emotions and lifts spirits. It's that way with many of you, and it's that way with our editors. With that in mind, we offer a list of our favorite racecars of all time. Of course, we'd like to hear some of yours in the comment section below. 1970 Porsche 917 Compared to some of the obscure choices by my colleagues, I feel like the Porsche 917 is almost so obvious a pick as to not be worth mentioning. Still, when coming up with my answer, my mind invariably went back to this classic racer – specifically in its blue-and-orange Gulf livery – while watching Le Mans on DVD and later Blu Ray with my dad. Long, low and curvaceous, few vehicles have ever looked sexier lapping a track than the 917. More than just a pretty face, this beauty had speed, too, thanks to several tunes of flat-12 engines over the course of its racing life. In the early '70s, Porsche was a dominant force throughout sports-car competition, and the 917 (shown above at the 1970 24 Hours of Daytona) was the tip of that spear, including back-to-back victories in the 24 Hours of Le Mans. Largely without dialogue or really much of a traditional plot, Le Mans is like a tone poem of racing goodness. While the 917's importance to motorsports history is undoubtedly fascinating, it's still this cinematic depiction of the Porsche racer that draws me in most, especially with the volume cranked. – Chris Bruce Associate Editor 1964 Mini Cooper S How could everyone not be selecting the 1964 Mini Cooper S piloted by Paddy Hopkirk and Henry Liddon? That car, 33 EJB, took the first of British Motor Corporation's four Monte Carlo Rally wins (it should have been five, but French judges got the British Minis [and Fords] disqualified on a technicality regarding headlights... which its own car, the winning DS, was also in violation of). The tiny red car and its white roof beat out Ford Falcons, Mercedes-Benz 300SEs and scores of Volvos, Volkswagens and Saabs. This, along with the several years of dominance that followed, cemented the idea that not only could the tiny, two-tone Mini be a real performance vehicle, but that family-friendly city cars in general could be fun.

2016 Mazda MX-5 Miata to make video-game debut next week in Forza Horizon 2 [w/video]

We've driven the all-new, fourth-generation Mazda MX5 Miata. Have you? Well, probably not. With the new roadster not set to hit dealerships until later this year (at the earliest), you might be stuck waiting a bit to climb behind the wheel of the highly regarded two-seater. Of course, if you happen to own Forza Horizon 2, your wait will be significantly shorter. And it'll be absolutely free to boot. The new convertible will make its video-game debut as part of a four-vehicle car pack for the open-world racing title. Downloads will start on March 17. Alongside the new MX-5, the Mazda car pack will also add representatives from each of the roadster's first three generations. Repping the NA will be the 1990 MX-5. The second-generation NB will be represented by the turbocharged 2005 Mazdaspeed MX-5, while the NC will arrive in the form of the Super 20 Concept, shown back at the 2010 SEMA Show. On top of the new vehicles, gamers will also have a chance to win a 2016 MX-5 as part of the new Mazda MX-5 Challenge. Running from March 17 to April 30, those interested in a free Mazda will need to lap its virtual counterpart around the Sisteron Perimeter Sprint Circuit, with the two fastest drivers slated to take part in a head-to-head race in June. The winner will walk away with their very own 2016 MX-5. Oh, and as a final juicy tidbit, the press release clearly states that the Miata weighs in at just 2,332 pounds – just a smidge more than the original NA. (That's with the manual transmission, of course – automatic cars are said to weigh 2,381 pounds.) You can get more specific details on the contest, as well as read more about the car pack, in the attached press release. Check out the release, as well as a preview vid of the MX-5 Car Pack. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. MICROSOFT AND MAZDA LET YOU DRIVE IT FIRST: ALL-NEW MAZDA MX-5 DEBUTS AS FREE DOWNLOAD FOR FORZA HORIZON 2 ON XBOX ONE IRVINE, Calif., March 12, 2015 -- Beginning March 17, Mazda North American Operations (MNAO) is giving Forza Horizon 2 players the exclusive opportunity to drive the all-new 2016 Mazda MX-5 Miata on Xbox One months before the physical car goes on sale to the public. Additionally, by taking advantage of the free download of the car, and driving it in the game, users will have the chance to win one by competing in the new Time Trial Rivals Contest.