With the start line at 9,300 ft, the course climbs to 14,100 ft - where the air is a third less dense than at sea level. This environment means that the Continental GT3 Pikes Peak features modifications to its aerodynamics package, its chassis and its engine, turning it into the most extreme iteration of a Continental GT – or indeed any Bentley road car – ever. The engine – based on Bentley’s race-proven version of its 4.0-litre twin-turbo V8 road car engine – has been thoroughly reworked to generate more than 750 bhp and 1,000 Nm at sea level for testing – and the engine will run even higher power levels for the race itself New pistons and conrods are installed to turn additional boost pressure (over 2.2 bar) into power, having to handle an increased dynamic pressure ratio. The carbon fibre intake manifold is thicker and reinforced versus the standard item, for the same reason. Custom, one-off Inconel exhaust manifolds have been 3D-printed via laser sintering by Akrapovič, and lead to larger turbos paired with external wastegates, venting into very short exhausts and dedicated screamer pipes that exit behind the front wheels. The engine runs on 98RON Renewable Racing Fuel. The fuel is a dedicated blend of advanced biofuels specifically designed for motorsport, and is a technological stepping stone to sustainably-created eFuel with a greenhouse gas reduction of up to 85 per cent. The high performance engine places additional demands on the cooling system, and for Pikes Peak the engineering team have developed a secondary cooling system that’s installed at the back of the car. Air scoops replace the rear windows, and channel air through a secondary radiator that exhausts through ducts in the boot lid. The system runs via a dedicated secondary water pump. The gearbox is Bentley’s standard racing unit, already designed to handle the torque loads involved, but rear driveshaft diameter has been increased to provide additional durability. The gearbox runs a specially-formulated lubricant created specifically for the car by Mobil1, who have also supplied high-performance oil for the engine. The chassis has been set up and tuned to suit the specific nature of the Pikes Pikes course. Both front and rear axles run significantly reduced camber to the standard Continental GT3 setup, focusing the car on low-speed cornering performance. The softest springs and anti-roll bars from Bentley’s range have been fitted, to allow more movement in the body and so maximise weight transfer for braking. The brakes themselves are water-cooled, to handle the increased loads that an all-out attack on the course will bring. The aerodynamic modifications sees a 30 per cent increase in overall downforce at sea level, while maintaining t ... https://www.youtube.com/watch?v=PbRUAGtpSYM

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