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Lamborghini Aventador SVJ Roadster removes roof for added sound and fury

In his first drive review for Autoblog, contributing writer Jason Harper described the sound of the Lamborghini Aventador SVJ as a "GT3 race car married to a Learjet crossed with a Valkyrie warrior screaming at her husband. At full flog it's loud enough to make you wince and eradicate all conversation. It is the sound of a non-turbo V12 doing exactly what it's made for." Now, imagine hearing all that without a pesky roof in the way. That's what you'll get with the Lamborghini Aventador SVJ Roadster unveiled at the Geneva Motor Show. It is the convertible version of the SVJ, which replaces the coupe's fixed roof with a carbon fiber panel that must be physically removed and stored under the hood. There is a not-insignificant weight penalty of 110 pounds for going topless, which certainly stands in contrast to the SVJ's various weight-saving measures. Otherwise, the Roadster is business as usual for the SVJ. As a refresher, this Aventador would be the latest-and-greatest version with a track focus. Besides weighing less than the 730-horsepower Aventador S Roadster, it boasts 759 horsepower and 531 pound-feet of torque from its naturally aspirated V12. Lamborghini says the SVJ Roadster will accelerate from 0 to 60 mph in 2.9 seconds, which is 0.1 second slower than the coupe. It has a seven-speed automated manual transmission and all-wheel drive. The SVJ features the second-generation Aerodynamica Lamborghini Attiva system (ATA), which basically adds an abundance of active aero elements designed to reduce drag and dramatically increase downforce. Those elements manage to selectively channel air away from the prominent rear wing to reduce drag (and therefore increase speed) on a straightaway, while allowing the wing to do its job and increase downforce when braking. It also effectively "stalls" air away from one half of the wing during cornering to provide extra downforce on the inside wheels during cornering and therefore increase grip. For the roadster, airflow is uninterrupted regardless of whether the roof is in place or removed, and Lamborghini says the SVJ sees a 40 percent improvement in downforce compared to the old SV Roadster. Other SVJ elements include a special rear-wheel steering system, while the Haldex fourth-generation all-wheel-drive system and magnetically controlled adaptive suspension have been specially tuned. For the latter, anti-roll stiffness has been improved by 50 percent compared to the SV Roadster.

Get a closer look at the 830-horsepower Lamborghini SCV12 track car

Lamborghini has just released a set of photos and video of its upcoming SCV12 hypercar, giving us a clearer look. The track-only machine does look similarly sized to the Aventador, but it apparently doesn't share much with the road car. The closest relation is has to the Aventador is the use of a naturally aspirated V12 engine. But this one is the most-powerful naturally aspirated V12 ever built by Lamborghini. It makes 830 horsepower, and that's partly made possible by the car's aerodynamics and intake manifold. The car features a huge roof intake scoop, and the hood has several vents that channel air to the scoop. At speed, these components create a supercharging effect, pushing more air into the engine than what it would pull in naturally. The engine is connected to a six-speed sequential transmission and powers only the rear wheels. Previous reports have mentioned the SCV12 will get a trick limited-slip differential. The SCV12's chassis and aerodynamics have other impressive details. The car produces more downforce than a GT3-class race car thanks to its huge custom carbon fiber rear wing and array of dive planes and splitters. Lamborghini says the SCV12 uses a unique carbon fiber chassis that uses other components such as transmission as structural members. The rear pushrod suspension is actually partly connected to the transmission. The SCV12 also features magnesium wheels wrapped in slick Pirelli tires specific to the Lamborghini. Besides the car, buyers of the SCV12 will also get to participate in a variety of driving programs and famous racetracks and get coaching from five-time Le Mans winner Emanuele Pirro. Technical support will be provided by Squadra Corse. Details such as pricing and number of units have yet to be revealed, but we won't have long to wait as Lamborghini will unveil the car later this summer. We wouldn't be surprised if the car costs well into the seven-figure range. Previous reports have suggested only 40 will be built. Related Video:    

Lamborghini Countach LP 500 prototype reconstruction baptized on track

After making a static debut at the Concorso d'Eleganza Villa d'Este, the reconstructed 1971 Lamborghini Countach LP 500 prototype has met the track for a proper shakedown. A banner day for all involved, no doubt, Pirelli loaned its Vizzola Ticino test track to Lamborghini, collector Albert Spiess from Germany and the contributors who helped create the car from scratch. Spiess said he saw the original prototype at the Geneva Motor Show and then put a Countach poster on his wall as a kid, determined like so many other children for the next 15 years to have one. With the Geneva show car destroyed during crash testing, Spiess eventually determined to convince Lamborghini to build one anew. It likely didn't take him more than 25,000 hours of cajoling to get a "Si" from the principals in Sant'Agata Bolognese, but that's how long the carmaker's historic division, Polo Storico, spent on the reconstruction. Polo Storico chief Stefano Castricini said it took "mad and desperate" research through archival materials, on top of the interviews with original workers and help from suppliers like Pirelli and PPG.   It doesn't look like they worked the LP 500 too hard on track, but it's not like they needed to. In a world awash in seven-figure customs and restomods from manufacturers, and smaller makers putting out cars with specs to make your eyes go googly — there will probably be three more announced next week — this one is special at any speed. For any who'd like to see it for themselves, this very item will be on display at Lamborghini's MUDETEC Museum of Technologies in Sant'Agata Bolognese until November 15, alongside the bare tubular chassis of the production LP 400 (the customer cars got a more reliable 4.0-liter 12-cylinder instead of the prototype's 5.0-liter unit), the second production LP 400 to go down the line, and a Countach 5000 Quattrovalvole. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.