Praga Bohema

Powered by the 3.8-liter, twin-turbocharged V6 from a Nissan GT-R, the engine goes straight from Japan to the U.K. to be modified by Litchfield. The tuners strip the engines and convert them to dry sump, which makes them smaller, allowing them to sit lower in the car, and prevents the risk of oil surges under high-speed cornering.

The tuner also adds its own turbos to the engine to make it even more reliable, and push horsepower levels up to 700 hp (522 kW/710 PS) at 6,800 rpm and 534 lb-ft (724 Nm) of torque between 3,000 and 5,000 rpm. Titanium exhausts make the engine sound better, and the power is routed through a 6-speed Hewland sequential gearbox. Its robotic clutch gives it a semi-automatic mode, for more comfortable on-road cruising.

The engine and gearbox are mounted independently of the carbon fiber monocoque that was designed with Praga's years of on-track experience, to prevent annoying sub-woofer-style resonance vibrations.

To the monocoque, carbon fiber body panels are attached that were designed entirely in-house. The engineering and design teams worked hand-in-hand at an F1 team's wind tunnel to ensure that the car not only looks good, but can deliver 1,984 lbs (900 kg) of downforce at 155 mph (250 km/h).

That's nearly the entire weight of the car in downforce. Thanks to its carbon construction, which was specifically chosen to help it keep the pounds down, the car weighs in at less than 1,000 kg (2,204 lbs) wet. It hits 100 km/h (62 mph) from standstill under 2.3 seconds, according to the manufacturer, while it tops out at a sensible 186 mph (299 km/h), which Praga claims is the highest speed realistically achievable on most racetracks.

Like many racecars, the Praga Bohema will have horizontally-mounted pushrod-operated, adjustable dampers. They connect to center-locking wheels that are 18-inches at the front and 19-inches at the back. They cover 380 mm carbon ceramic discs with six-piston calipers. All in, Praga's engineers were able to keep unsprung mass limited to just 396.8 lbs (180 kg), which means that the ride can remain supple enough for the road without resorting to a heavy adaptive suspension system.

Curb weight:                                               982 kg (2165 lbs)

Torque:                                                       725 Nm (535 lb-ft) @ 3000 rpm

Transmission:                                             6-speed Hewland sequential gearbox

Layout:                                                        middle engine, rear wheel drive 


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