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Images by Bartosz Kakowski
BMW E9 3.0
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First Look: The Praga Bohema
Praga has revealed its road legal hypercar in pre-production prototype form: a high-performance, low-volume car designed around 3 core principles – lightweight, carbon, petrol.
The new Praga Bohema is a sub-1,000kg, mid-engined 2-seater that, in the right hands, is capable of extreme high performance on track targeting GT3 race car lap times on its semi-slick Pirellis. Yet it is also comfortable and practical for head-turning road trips.
With its carbon fibre monocoque and race-oriented fully adjustable suspension, it is extremely light, targeting just 982 kgs (wet without fuel), while its powerful Nissan GT-R-derived six-cylinder twin-turbo engine ensures reliability, ease of servicing and the potential for further performance tuning. Whilst the Bohema’s race-derived semi-automatic transmission will support a unique on-road experience with track-focused performance.
The Praga Bohema’s PL38DETT is based on Nissan’s famed 3.8-litre, twin-turbo V6 engine used in all its GT-R models since 2007. Initially drawing on Nissan’s experience at Le Mans, it is constructed around an aluminium alloy cylinder block, and there are double overhead camshafts per cylinder bank, with a continuously variable valve timing system on the inlet valves.
Uniquely, Nissan supplies brand new GT-R engines to Praga for the Bohema. Engine development and servicing requirements then sees Praga working with the UK’s renowned Litchfield Engineering; another long-time friend of the Praga brand. Litchfield has more than two decades of tuning experience and is known as the global authority on GT-R engines. Litchfield strips the new engines and converts them to dry sump, which reduces the overall height of the unit by 140 mm. This allows the engine to sit lower in the Bohema and prevents the risks of oil surge under high-speed cornering loads.
Litchfield also makes a number of modifications for increased reliability and power, including swapping to new twin turbos. In this base-Litchfield specification, Praga is targeting the Bohema production car to deliver up to 700 bhp at 6,800 rpm and 725 Nm of torque from 3,000 to 6,000 rpm, but Litchfield is known for building 1000 bhp-plus engines from the GT-R unit.
Praga has a long-standing partnership with Kresta Racing, the Czech Republic’s most highly respected rally team, where its spotless assembly facility will hand-build each Bohema, beginning in the first half of 2023. The company is known for its high standards of car preparation and assembly and was founded by Czech rally legend Roman Kresta. His historic race victories include the Czech national rally championship on five occasions, whilst also spending a decade in the World Rally Championship, driving for the official Ford and Skoda WRC teams.
Rimac Nevera Top Speed Full Run
The Rimac Nevera has set a top speed of 412kph (258mph), making it the fastest electric production car in the world.
Miro Zrnčević, Rimac’s Chief Test and Development Driver: “To travel at 412kph, or 258mph, means travelling at a third of the speed of sound. Simply achieving that alone in a road car is incredibly complex, but in Nevera we have created a car that can travel long distances on a single charge, can tackle tight and twisting race tracks and can drift as well as break straight-line speed records, both for acceleration and V-MAX. I’ve driven Nevera since it first turned a wheel and to see the perfectly honed car that is today is a really emotional moment. The most important thing I have learned during the top-speed attempt is how composed and stable the car was – confirming that our aerodynamics and vehicle dynamics teams have done an amazing job.”