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Petrolicious lets a 1971 Mazda RX-2 howl

Rotary engines scream to the heavens in the best way possible. To hear a wonderful example of the Wankel's battle cry, turn up your speakers and watch Petrolicious highlight an immaculately clean 1971 Mazda RX-2 in Australia. Owner Jason Humble took three years to build his RX-2 from a bare shell, and he started competing with it in vintage racing in 2005. The little coupe's class pits it on track against Mustangs and Camaros, but Humble claims that he's regularly near the top of the pack thanks to the Mazda's communicative chassis. We don't get to see the RX-2 mixing things up on track in the Petrolicious video, but Humble does treat us to a drive through the Australian countryside. He's happy to let the coupe's rotary rev, and the little engine is capable of making a wonderful noise. It's great to see Petrolicious continue to give the spotlight to these sometimes overlooked classic Japanese sports cars.

Mazda files patents for a sequential twin-turbo setup

Mazda has a history of interesting engine technologies, from yesterday's rotary engine to tomorrow's compression ignition engine, and new patents show it still may have some internal combustion tricks up its sleeve. The one on display in these patents isn't especially new in concept, though. A sequential twin-turbocharger setup is something Mazda itself used on the third-generation RX-7. But it's something we haven't seen much of lately. It looks like it could have some possible advantages over older sequential systems, and it has some potential advantages for enthusiasts. First a quick and dirty primer for what makes a sequential twin-turbo system distinct from other twin-turbo systems. In many twin-turbo engines, there are simply two turbos that work together as one bigger turbo. They're the same size, and they spool up at the same time. With a sequential setup, at low rpm, a smaller turbocharger is spooled up first at low-rpm for quicker throttle response, and as the rpm and exhaust pressure increases, a valve opens up that allows a larger turbocharger to also spool up and provide high-rpm boost. That's basically how the Mazda design shown above functions. A big flap blocks off the larger turbocharger exhaust inlet, channeling all the exhaust to the smaller turbo. When more exhaust is available at high rpm, it looks like that flap opens up to spool up the big turbo, too. What's interesting here is that the way the turbochargers are packaged takes up less space than past systems. It looks like both turbos are contained in one unit that shares the same exhaust outlet, meaning the exhaust manifold could be kept simple and compact. In fact, the piping for compressed intake air could also be shared, reducing the amount of piping, which would further decrease the amount of materials and possible failure points. There are a number advantages of making this system smaller. The potential applications of the system are much greater, since it could fit in smaller cars with smaller engine bays. Making the system smaller also means that there won't be as much weight, which is important from both fuel economy and performance standpoints. Finally, the smaller setup likely uses fewer materials, which could make the system cheaper and thus easier to offer on a wider range of vehicles, or at least more profitable for Mazda.

'Gran Turismo Sport' Super Bundle comes with a real Mazda Miata

"Gran Turismo Sport" is now on sale (stay tuned for a full review in the near future), and as with most video games now, there are basic versions and those that come with a few extras. For instance, in the United States there's a Limited Edition version that includes the full game, plus a metal box, several Group B rally cars and a couple of prototype cars unlocked, as well as 1,000,000 credits available at the start. It's a pretty meager special edition compared with the "Gran Turismo Sport" Super Bundle on offer in Taiwan, though. The Super Bundle lives up to its name primarily because it comes with a real, drivable Mazda MX-5 Miata. It comes in Soul Red and features custom Gran Turismo vinyl graphics. On top of that, the bundle comes with a Bravia 4K HDR OLED TV, a Playstation 4 Pro, Playstation VR, a year of Playstation Plus (the online multiplayer service), a Thrustmaster T-GT steering wheel controller, and an Apiga AP1 racing seat for playing the game. Oh, and of course it comes with a copy of the game. Funny enough, this isn't the first time a car has been offered as part of a video game bundle. When " Grid 2" launched a few years ago, the developer, Codemasters, partnered with BAC to sell a Mono edition. This special edition of the game came with a real life BAC Mono with "Grid 2" livery. There's no such thing as a free lunch, or a free car for that matter. At current exchange rates, the " Gran Turismo Sport" Super Bundle costs just shy of $46,300. Now that's a much more affordable proposition than the " Grid 2" BAC Mono package, which rang in at about $189,000, though the Miata is a much more affordable car with less performance. Americans shouldn't be disappointed the " Gran Turismo Sport" Super Bundle isn't available here, though. This is because the Super Bundle can be re-created here for much less money. Every item in the bundle plus a Miata Sport with a manual transmission and the Soul Red paint would come to a little under $32,000, a savings of over $14,000. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.