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Bentley Continental GT3 Pikes Peak racer puts out 750 horsepower on biofuel

Bentley revealed its Continental GT3 Pikes Peak car to us earlier this year, but was short on engine details. That left us especially curious, as Bentley foreshadowed lots of modifications and a promise that it’d run on a renewable biofuel. Of course, more power than standard was expected. Today, all the details of this wild Bentley are available. Its 4.0-liter twin-turbo V8 engine will make “more than” 750 horsepower and 738 pound-feet of torque. ThatÂ’s a 100 horsepower increase over the most potent street version of the Continental, the Continental GT Speed. HowÂ’d Bentley do it? For starters, Bentley began with the GT3 race version of its 4.0-liter V8, not the street version. But Bentley went to town on this race engine for Pikes Peak anyway. It has new pistons and connecting rods, plus the boost is turned up to 2.2 bar with larger turbos. The carbon fiber intake manifold is reinforced and made thicker than the standard one. Plus, one-off exhaust manifolds made from Inconel alloy by Akrapovic are fitted. The exhaust ultimately exits via very short pipes just behind the front wheels. Not very Bentley-like. Cooling is reinforced by a secondary cooling system positioned in the rear of the car. The rear windows are traded for air scoops that channel air through a second radiator, exhausting heat through ducts in the trunk lid. It all runs off a dedicated secondary water pump. Another change youÂ’ll find at the rear is a new driveshaft with a larger diameter for better durability. The biofuel Bentley uses is called 98RON Renewable Racing Fuel, and Bentley says it 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%." Bentley didn't say what the emissions reduction was for this specific biofuel in the Pikes Peak car. When it comes to handling, Bentley says it has significantly modified the GT3 setup. ItÂ’s running far more camber in front and rear. Softer springs and anti-roll bars were fitted to allow more body movement and maximize weight transfer for braking (keep in mind all your braking will be done while going straight uphill). Plus, the brakes themselves are newly water-cooled to handle the extreme loads that this hill climb will put on them. You can watch out for Bentley's attempt at a record on June 27, a day that will mark the 99th running of the Pikes Peak International Hill Climb.

Bentley Bentayga strips a little more at the Nurburgring

Engineering its first SUV undoubtedly poses a number of challenges for the team at Bentley. It's got to ride cushy enough to satisfy upscale customers, the performance capabilities to live up to its claims, and the off-road chops to keep up with a Range Rover. It's a heck of an occasion to rise to, but the crew from Crewe is hard at work to bring it all together, as you can see from this latest batch of spy shots. Spied entering the Volkswagen Group's test facility at the Nurburgring, this pre-production prototype for the upcoming new Bentayga is still wearing some light camouflage – particularly around the head- and taillights – but looks about ready to hit showrooms. It's even got its brightwork in place. We'll still have to hold on a while longer to see all the finished details, but it's already abundantly clear that Bentley has gone to some lengths to make sure it looks better than the EXP 9 F that first dipped the company's toes in the crossover waters.

Bentley Bentayga plug-in hybrid spied using V6 power

Bentley confirmed plans for a plug-in hybrid version of the Bentayga in early 2015 and said the electric SUV would be ready for 2017. It seems that the luxury automaker will keep its word, because one of our spy photographers spotted this nearly undisguised model out testing. It looks identical to the normal Bentayga, with the exception of an additional little flap on the left side for a plug. Although Bentley confirmed the hybrid's development way back in 2015, it left out a few details about what the powertrain would be, only saying it would either be a V8 or a V6. Our spy photographer was able to shed some light on this by looking up the prototype's registration. Apparently it has a 3.0-liter engine under its proud hood, so it's a reasonable bet the Bentayga has a V6. Since Bentley promised the hybrid would be ready for 2017, and because this car is hiding almost nothing, we would expect to see the car make a full debut by the end of the year. It should have an electric range of just over 30 miles. Related Video: Featured Gallery Bentley Bentayga plug-in hybrid spy shots View 12 Photos Image Credit: CarPix Green Spy Photos Bentley Crossover SUV Hybrid Luxury bentley bentayga