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Aston Martin Valkyrie AMR Pro | Screaming Viking from the Valhalla of speed

This summer, two years after Aston Martin debuted the 800-horsepower, track-only Vulcan, the English carmaker unveiled the harder, faster, more-aero-focused Vulcan AMR Pro. We still haven't seen the final version of the road-ready Valkyrie, but as of right now we know Aston Martin's 's how-fast-can-you-go roadworthy jewel will get a track-only Valkyrie AMR Pro flavor. Detailed specifics will need to wait, but we're told to expect lap times rivaling "recent Formula One cars." For perspective, insider trading on the Valkyrie road car suggests 1,130 horsepower and a 2,270-pound curb weight. A naturally aspirated, 6.5-liter V12 takes credit for most of those horses, the remainder coming from a Rimac-developed, F1-style kinetic energy recovery system. Yes, that Rimac. The Valkyrie AMR Pro will send owners to a g-force-induced Valhalla, having more power, less weight, and "significantly increased downforce." The designers used a lighter grade of carbon fiber, replaced the windscreen and side windows with polycarbonate, traded for a lighter, molded racing seat, threw out the infotainment system, installed carbon fiber wishbones on the new suspension uprights, and bolted on smaller, 18-inch wheels that will fit the same Michelin tires used on LMP1 cars. Beyond larger front and rear wings and new programming for the active aerodynamics, Adrian Newey's team tweaked every aero surface. Powering all that with a lustier, remapped 6.5-liter V12, Red Bull simulations show the Valkyrie AMR Pro capable of close to 250 miles per hour. Sustained cornering forces should hit 3.3g. Thanks to F1-style carbon brakes, deceleration force tops 3.5g. Here's more perspective: the Telegraph spoke to Red Bull F1 in 2010 about in-car g-forces, and wrote, "Breath control is crucial — you cannot breathe freely above 3g because to do so would expose you to the risk of passing out." Since those numbers hint at something like ground-based flying, Aston Martin has sensibly organized a ground-based flight school. Owners will get "an intensive and comprehensive driver development program" that takes advantage of the same facilities and simulator used by Aston Martin Red Bull Racing F1. Fitness training comes with it. If you haven't signed the paperwork for a Valkyrie AMR Pro, you're too late. Twenty-five examples — one more than the Vulcan AMR Pro — will be produced, with expected delivery in 2020, and all are sold. Related Video:

Aston Martin DB11 V8 loses four cylinders but none of its grace

We love the Aston Martin DB11. Few vehicles combine speed, luxury, and comfort as well as that beautiful British coupe. That said, it's not the most efficient or affordable GT in the world, but Aston Martin is planning to change that. Starting this year, the company will offer the DB11 a twin-turbocharged V8 sourced from the mad Germans at Mercedes-AMG. We've known about the engine partnership for a while now, though we assumed the first Aston Martin to use a Mercedes-AMG V8 would be the next-generation V8 Vantage. At first, sticking a V8 under the hood might seem like an odd choice, but the DB series only recently started using V12s. Historically, the car has packed powerful inline-six engines. Offering two engines will allow the company to sell a lower-cost model and presumably boost sales. That means changes are strictly mechanical in nature. The engine is the now-common 4.0-liter twin-turbocharged Mercedes-AMG V8. Output is 503 horsepower and 498 pound-feet of torque. That's down 97 horsepower and 18 pound-feet of torque from the 5.2-liter V12. In the Mercedes-AMG C63 S, the 4.0-liter V8 makes equal horsepower and 18 more pound-feet of torque. Aston Martin says that the partnership with Mercedes-AMG allows the company to tailor the engine for Aston Martins. This means a new ECU with new engine and throttle mapping. Losing four cylinders changes the character of the car a bit. The DB11 V8 is a not-insubstantial 254 pounds lighter than the V12. Since most of the weight savings comes from behind the front wheels, Aston Martin says the V8 model is more agile than the V12 model. Engineers have adjusted the suspension bushing, geometry, anti-roll bars, springs, dampers, and stability control to account for the weight savings. The DB11 V8's diet helps offset the lower power output. As such, the 4.0-second 0-62 sprint is just 0.1 seconds off the V12. Top speed is down 13 mph to a still extralegal speed of 187 mph. We don't have fuel economy ratings for the US, but expect an improvement from the V12's current rating. The V8 will be available with all of the same equipment and trims as the V12, with just a few visual changes to distinguish the two models. The V8 gets unique wheels, darker headlight surroundings, and just two vents on the hood, available in either black or titanium. The DB11 V8 goes on sale in the US later this year. At $198,995, it undercuts the V12 model by $17,500.

The Aston Martin Vulcan AMR Pro is a Le Mans-derived supercar

The Aston Martin Vulcan is a car filled with superlatives. It's one of the fastest and rarest cars in the world, with just 24 of the 820-horsepower track-only supercar in existence. The car packs a 7.0-liter naturally aspirated V12, a 6-speed sequential transmission, and some of the most visually striking bodywork of any modern performance car. Aston Martin is now offering an AMR Pro performance pack with tech derived from the automaker's Le Mans-winning racecars. The main difference between the original car and the Vulcan AMR Pro model is aero. The car gets a whole host of upgrades that help channel air over, under, and around the car better than before. The car's other big change is a shorter gear ratio. The goal was to make the Vulcan AMR Pro more planted and more responsive in an effort to reduce lap times. The front wheel arches get louvred carbon-fiber panels to extract air and reduce lift. Dive planes have been added to the nose, complimented by a large splitter. Both will help front-end lift and improve steering response. More efficient use of carbon fiber means the engine cover weighs about 11 pounds less than before. Out back, the Vulcan AMR Pro gets a new dual-plane rear wing. It's far bigger and more elaborate than the standard car's wing, featuring a 20mm Gurney flap. The slotted endplates feature 15mm Gurney flaps. It simply looks the business. Aston Martin says all of the additional aero bits increase downforce from 2,323 lb-ft to 2,950 lb-ft. That's a huge increase on any car, much less one that was already packed with aerodynamic tricks. By comparison, the Aston Martin Racing Vantage GTE that was the class winner at Le Mans only has 2,290 lb-ft of downforce. The Aston Martin Vulcan was a car designed without limits, restraints, or regulations. It's a track-only car, but it's not built for any racing series. It's simply meant to go around a track very, very fast. With the AMR Pro pack, those 24 owners should be happier than ever. Related Video: