2012 Mazdaspeed 3 on 2040-cars

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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 proves '90s were awesome with Supra, Stealth, RX-7, Corvette, 968, 300ZX comparo

Oh, the heady days of 1993, back when the Clinton Presidency was just getting underway, and it seemed like every hot new rock band was coming out of Seattle. Sports cars in the US had finally shaken off the shackles that slowed them during the '70s and '80s, and you could buy any number of legitimately quick vehicles again. MotorWeek recently went digging into its archives to find this six-model test from 1993 showing off some of the best semi-affordable performance coupes that money could buy at the time, and it's priceless.
Featuring the 1994 model year Toyota Supra in twin-turbo guise and MY 1993 versions of the Porsche 968, Nissan 300ZX TT, Mazda RX-7, Dodge Stealth R/T Turbo and Chevrolet Corvette LT-1, MotorWeek definitely covered all of the bases. One thing that might surprise younger readers is these cars' performance. The video only provides 0-60 acceleration times, but several of these vehicles would still be considered pretty potent today - over 20 years since going on sale. The Supra is especially impressive, hitting 60 miles per hour in just 5 seconds. Even today, that's nothing to sneeze at.
Given their performance potential and still-attractive looks, it's amazing that some of these coupes are old enough to drink now. The progress of interior design and safety equipment in the intervening years is pretty shocking, though. In most of these models, having two airbags is touted as a big deal. Scroll down to watch a Throwback Thursday blast from the past about some of the '90s best sports cars.

Mazda considering a 'hyper' Mazda3 with the 250-hp 2.5-liter turbo four

Mazda boss Akira Marumoto said last year there'd be no Mazdaspeed version of the new Mazda3 because the hot hatch segment wasn't a priority for the carmaker. Then Mazda engineer Dave Coleman told Road & Track that without "an engine on the shelf that would fit properly," an MPS variant made no sense. The first reader comment on our Coleman post read, "Engine — you have it; cue up the 2.5T." Mazda might have been listening. Program manager Kota Beppu told Autocar he'd like a "hyper" Mazda3, the outlet figuring the 2.5-liter four-cylinder turbo would make the most sense for power. Autocar wrote "the project had not been officially signed off, [but] insiders suggest that is a formality." When Car and Driver queried Mazda and its sources about the report, the magazine realized "the company is seriously considering a high-performance hot hatch." What's more, "Drew Cary, senior manager for brand communications, said, 'We encourage people to ask for it, though. Our planners and executives are watching and listening to fans.'" The turbocharged 2.5-liter SkyActiv-G four-cylinder — which doesn't sell in Europe — makes 250 hp on premium gasoline and 310 pound-feet of torque in the Mazda6, CX-5 and CX-9. A next-generation SkyActiv-G is predicted on the way next year, bringing more boost and power. Even as is, we're talking a chunky lump of power to send to the front wheels, and Beppu mentioned torque steer. The new Mazda3's all-wheel drive would alleviate that bugbear. Unlike the raw, fast-twitch reflexes of the last Mazdaspeed3 from 2013, Beppu says a new model "needs to be responsible and friendly ... more friendly than a Golf GTI." And, "It should be fast." The polished looks and interior address the necessary perceptions. CD's done the math on the current 2.5-liter and predicts a five-second sprint to 60 miles per hour, which is Volkswagen Golf R and Honda Civic Type R territory, so GTI comparisons could be a case of aiming low. Imagine a 300-hp engine with a touch more torque and a six-speed manual ... If Mazda follows through with such a product, it could take two years to get the green light. However, we're told that Mazda's Los Angeles research and development center has already built a proof-of-concept to encourage and anticipate that green light.