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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:

Aston Martin recalling all DB11s over Daimler steering column

Aston Martin has become the latest carmaker to be caught up in a major recall of faulty Daimler steering-column components that can cause unintended airbag deployments. The British sports car maker is recalling all 3,873 DB11 coupes built since late 2015, when production of the flagship model began, Aston Martin spokesman Kevin Watters confirmed. He said repairs would be carried out to "address an issue with the DB11 steering column upper." Daimler last year recalled more than 1 million Mercedes-Benz cars fitted with steering-column parts also supplied to Aston and Nissan. The Japanese carmaker's Infiniti brand recalled 17,500 affected vehicles. The issue is unrelated to a global recall of faulty Takata airbag inflators that have been blamed for 20 deaths. Inadequate grounding in the Daimler units leaves their circuitry vulnerable to electrostatic charges that can trigger unintended airbag deployments, according to earlier warnings. Mercedes reported "a handful of instances where drivers suffered minor abrasions or bruises" as a result of the problem. No Aston Martin customers have reported any such incidents to date, the company said, adding the necessary repair work would be carried out free of charge in less than two hours. Reporting by Laurence FrostRelated Video:

Revealed: Aston Martin shows first V12 Speedster prototype

The V12 Speedster — Aston Martin's "living show car" — has moved from the realm of dreams (and digital renderings) to the physical world. Here it is in the metal. In the composite? A bit of both, we'd reckon, but we can say this for certain: it's definitely not glass. Aston Martin's 88-unit, $950,000, topless supercar is officially entering the physical development stage "in earnest," the company's spokesperson said, and here are the photos to prove it. Aston Martin had originally planned to start delivering V12 Speedsters in the first quarter of 2021, but whether that's possible in the world of COVID-19 remains to be seen.  The company says this prototype is intended for "dynamic development," meaning it's going to be used to fine-tune road and track performance. Based on the details Aston Martin has released so far, we're inclined to believe that it will be a treat in both departments. Aston Martin V12 Speedster View 18 Photos Fortunately, we have Aston Martin's previous renderings. Aston says the V12 Speedster is powered by a 5.2-liter twin-turbo V12 making 700 horsepower and 555 pound-feet of torque. Power goes to the rear wheels by way of a ZF eight-speed automatic gearbox. The British luxury builder claims this combo is good for a run to 62 mph in 3.5 seconds and a top speed of 186 mph. The platform itself is made by combining elements of the DBS Superleggera and Vantage. It has 21-inch forged, center-locking wheels, huge carbon ceramic brakes and adaptive dampers. As you can see from the gallery, Aston Martin did not include any photos of the prototype's interior, and we suspect that's because it doesn't actually have one yet — at least not anything worth showing. That's just as well. This is a single-purpose toy, not a touring coupe, and anything more than a well-anchored set of seats and intuitive driver controls is just a bonus anyway.