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Watch this 1,500-hp Mazda MX-5 smoke a race track

In December 2014 we watched New Zealand drifter "Mad Mike" Whiddett assemble his RADBUL, an NC-series Mazda MX-5 Miata with a four-rotor engine aided by twin Garrett turbochargers. The Dr. Frankensteins at engine builders Pulse Performance expected their creation to be good for 1,500 horsepower. This year we get to watch Whiddett run the monster around Highlands Motorsports Park in New Zealand, brewing up enough tire smoke to set of fire alarms in the International Space Station. When the car was finished in February Pulse Performance put it on the dyno, toning down the boost because "the tires easily smoked the rollers." The result on the day was 1,032 horsepower from the 2.6-liter engine. When Whiddett campaigned it at the Forth Worth, TX round of this year's Formula Drift Pro Championship, he said tiny adjustments have a huge effect on the way the car behaves so they were still trying to find the right balance a few months into the season because of the testing limit outside of competition. Unsurprisingly, he also said the car "is so damn fast that I'm actually having trouble slowing down." RADBUL is the third in Whiddett's line of Mazda drift specials, after the RX-8 BADBUL and the RX-7 MADBUL. Check out the video above for the ballet, and for more, check out the behind-the-scenes and the 360-degree POV videos.

Mazda patents show rotary engine for range-extended EV

Two years ago, Mazda introduced a fascinating range-extended electric car called the Mazda2 RE Range-Extender. It took an electric Mazda2, and dropped in an itty-bitty 330cc rotary engine. It wasn't the rotary-powered sports car we had hoped for, but it seemed like a unique way to keep the quirky engine alive and kicking. But not long after the car's reveal, it seemed to disappear. Now the basic idea has resurfaced with a few modern updates in a couple of US patents. The first patent is pretty straightforward and describes a range-extended EV similar to the BMW i3. At the front is an electric motor driving the front wheels. At the back is an internal combustion engine that powers an electric generator. In the middle is a lithium-ion battery for storing and delivering electricity. It's the same set-up as that Mazda2. The second patent is for an engine start-and-stop system, but specifically for rotary engines. The system is designed to shut off a rotary engine when not needed, much as modern piston engines do. It also stops the rotor in a position that closes the intake port to ensure no fuel or exhaust emissions slip out through the intake tract. This is necessary since there are no valves in a rotary, and air and exhaust come through ports that are "opened" and "closed" by the rotor itself. The patent also describes the possibility of firing a spark plug after the fuel has been cut to eliminate any leftover fuel emissions. This system would theoretically improve a rotary engine's fuel economy and emissions significantly, which would be a boon as those are two of the rotary's major weaknesses. The rotary-engine patent also includes the same range-extended powertrain drawing as the first patent. It's there as a description of a possible application. And in such an application, where the rotary wouldn't have to run all the time, the system could take advantage of the rotary's inherent strengths. Weight can be kept low thanks to the engine's small dimensions, which should help in keeping the car sprightly and efficient. Rotaries are renowned for smoothness, too, so it shouldn't need too much refining and sound deadening, the latter of which adds more weight. The small size would also help with packaging, leaving more space for people, cargo, or possibly batteries. And since it has been patented, the company may be looking to bring the system to market.

The Miata is always the answer, but which one is the answer for you?

If you follow along with our long-term vehicles, you know that we had a 2016 Miata Club in the fleet. It's a Miata that had every sporty bit available installed, but there are other ways to spec out an MX-5. Just recently, we had the chance to sample the other end of the MX-5 spectrum, the Miata RF Grand Touring. While they're cut from the same sheetmetal, they're surprisingly different cars. So we thought we'd put together a little guide to help you figure out what bodystyle and trim level of Miata is right for you. How do you like the wind in your hair? If you're someone who loves soaking up the sun and having the wind blow through your hair, or lack thereof, there's no replacement for the soft-top Miata. The manual folding mechanism will get you out into the fresh air faster than virtually any other convertible, and it will go back up just as easily when the rain comes. Raising and lowering it is quick and easy, and can be done with one hand from the driver's seat. And with the top down, you'll be greeted by breeze from virtually every direction, and an airy, unencumbered feeling that only comes with a full convertible. However, if you prefer to keep your hair in place and just get some sun, the RF is the better choice. The retractable targa top still descends and reemerges quickly, taking just 13 seconds either way. Keeping the windows up with the targa stowed will allow in plenty of sun, but will keep wind to a minimum. But when the windows drop, you'll still get a healthy dose of airflow. It still doesn't feel as open as the soft top, though, since you'll be able to catch the fastback pillar out of the corner of your eye. But if you value protection over airflow, that won't be an issue. View 11 Photos Does your Miata need to be a daily driver and occasional road tripper? While many Miatas will be weekend toys, one of the appealing things about them is that they're reliable enough and have just enough cargo space that they can serve as an everyday vehicle. For people who want to use a Miata as a daily commuter, and even take it on road trips, we would recommend an RF with the Grand Touring trim, as seen above. Although it still isn't a quiet car in the grand scheme of things, the RF's solid top makes it more livable for highway stints both short and long. The Grand Touring trim comes recommended for these purposes for a couple of reasons. Foremost is the more forgiving suspension shared between it and the base-level Sport.