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Cosworth briefly crows that Aston Valkyrie's 6.5L V12 has record horsepower

It's only natural that Cosworth would want the world to know that it's building the world's most powerful naturally-aspirated engine for the Aston Martin Valkyrie and Valkyrie AMR Pro. The timing of when the world should know about it, that's at issue. Yesterday the English engine maker's official Twitter account posted a picture of the barely-there coupe and the line, "We're famous for breaking records and our latest engine, the Aston Martin Valkyrie 6.5-litre V12, will be the world's most powerful naturally aspirated road engine with 1,130bhp." Two tags accompanied the post, #Cosworth and #AstonMartinValkyrie. About 90 minutes later, the tweet disappeared. The likely issue is that Cosworth got ahead of Aston Martin's official confirmation of Valkyrie outputs, something we're more used to from patent offices and Chinese model makers. The question is what output is Cosworth really talking about, and which car. All of last year, however, various reports had the street-legal Valkyrie making 1,130 hp. A Road & Track report attributed "nearly 1,000 hp" coming from the NA V12, the remaining 130 from a kinetic energy recovery system working the front axle. Hence, we're not sure if Cosworth's talking about its own engine alone at 1,130 hp, or its engine with the KERS. But then there's this: At the launch of the Valkyrie AMR Pro during the Geneva Motor Show this year, Aston Martin said the track-only Valkyrie AMR Pro would enjoy "a combined power output of more than 1100 bhp — more than the Valkyrie road car and a figure than comfortably exceeds the magic 1:1 power-to-weight ratio." The truth's a mystery for now, which is just as Aston Martin would want it. If Cosworth's engine really does make 1,130 hp on its own, that would be monstrous, and it would mean the automaker's been playing a serious game of English understatement. Even if Cosworth included the hybrid help, however, an NA V12 with 1,000 ponies would take the crown. The only competition is the 6.5-liter V12 in the Ferrari 812 Superfast, and that's 211 horses adrift. The quad-digit figures expected from Mercedes-AMG Project One and McLaren Speedtail require turbochargers, as does the just-teased V8 going into the Shelby Tuatara. With the first of 150 Valkyrie road car deliveries scheduled for next year, we probably don't have that much longer to wait to find out. Related Video:

The mood at this year’s Paris Motor Show: Quiet

The Paris Motor Show, held every other year in the early fall, typically kicks off the annual cavalcade of automotive conclaves, one that traverses the globe between autumn and spring, introducing projective, conceptual and production-ready vehicle models to the international automotive press, automotive aficionados and a public hungry for news of our increasingly futuristic mobility enterprise. But this year, at the press preview days for the show, the grounds of the Porte de Versailles convention center felt a bit more sparsely populated than usual. This was not simply a subjective sensation, or one influenced by the center's atypically dispersed assemblage of seven discrete buildings, which tends to spread out the cars and the crowds. There were not only fewer new vehicles being premiered in Paris this year, there were fewer manufacturers there to display them. Major mainstream European OEM stalwarts such as Alfa Romeo, Fiat, Nissan and Volkswagen chose to sit out Paris this year, as did boutique manufacturers like Bentley, Aston Martin and Lamborghini. This is not simply based in some antipathy on the part of the German, British and Italian manufacturers toward the French market — though for a variety of historical and societal reasons that market may be more dominated by vehicles produced domestically than others. Rather, it is part of a larger trend in the industry. Last year, Mercedes-Benz announced that it would not be participating in the flagship North American International Auto Show in 2019 — and that it might not return. Other brands including Jaguar/Land Rover, Audi, Porsche, Mazda and nearly every exotic carmaker have also departed the Detroit show. Some of these brands will still appear in the city in which the show is taking place, and host an event offsite, to capitalize on the presence of a large number of reporters in attendance. And even brands that do have a presence at the show have shifted their vehicle introductions to the days before the official press opening in an attempt to stand out from the crowd. In many ways, this makes sense. With an expanding number of automakers, with diversification and niche-ification of models and with wholesale shifts that necessitate the introduction of EV or autonomous sub-brands, there is a growing sense that, with everyone shouting at the same time, no one can be heard.

Aston Martin-Red Bull 001 details: 175 units, $3M, 0-200-0 in 15 seconds

The Aston Martin AM-RB 001 is starting to sound like it will be the most extreme hypercar ever made. We're basing that on a series of new comments made by Red Bull Racing's resident aerodynamic genius and chief technical officer, Adrian Newey, in an interview with The Wall Street Journal's Dan Neil. Newey shared many interesting nuggets, so we'll try to provide a simple summary of how frighteningly potent the AM-RB 001 is. The new hypercar should hit 200 miles per hour in around 10 seconds, while a massive set of brakes will cut that speed to zero in half the time – in other words, zero to 200 to zero in just 15 seconds. That kind of stopping power sounds physically painful. Certain versions of the 001 will make up to 4,400 pounds of downforce, and if that's not enough to keep the car pasted to the pavement through 4G bends, Newey hinted that the active suspension will rely on the ground effect more than any other car. "I studied aero at the University of Southampton," Newey told Neil. "My final-year project in 1979 and '80 was on ground-effects aerodynamics applied to road cars and sports cars." Beyond the performance stats, Newey verified some of the broader questions about the 001's availability. For one, Aston Martin and Red Bull will build 175 examples of the potentially record-breaking hypercar, with 150 designated for road use and another 25 limited to the track – they're the ones that will enjoy the 4,400 pounds of downforce and full-on 4G cornering ability – so the chances you'll ever encounter a 001 in the wild are almost nil. And buying one? Plan on spending at least $3 million. Newey, along with Aston Martin Chief Designer Marek Reichman and Project Engineer David King, reveal more about the 001 in the piece, including some of the philosophical and design principles behind a $3M hypercar. It's very much worth a read, if you can get around the WSJ's pay wall. Related Video: