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Hennessey F5 1,600-horsepower twin-turbo V8 revealed



CARMEL, Calif. "We've heard a lot about the drive that will drive the Hennessey F5 supercar to its suggested top speed of 301 mph. But every time we've heard about it, the details have been a bit fuzzy. The only really specific details have been that it will have at least 1600 horsepower, it will be unique and it will be V8. Good details are now complete now, since Hennessey showed the engine at The Quail Motorsports Gathering.

The engine is all aluminum with cast aluminum heads and a machined aluminum block. The result is a power plant with a fairly unique finish, and it has Hennessey and F5 logos machine-etched into the block. The block is reinforced with steel cylinder sleeves. The stamps are also forged. There is also an old-school pushrod design, instead of using double overhead cams. According to John Hennessey, the reason is mainly for packaging, as pushrod design results in a small, lightweight engine. The increase of the relatively small external size is a dry hose oil system.

Despite its physical size, the engine has a massive displacement of 7.6 liters, falling between the two figures previously reported to the engine. Feed the engine all the air it can consume are two large turbochargers at the end of tubular stainless steel heads giving maximum 22 to 24 psi. Power output is at least 1

,600 horsepower at 7,200 rpm and 1,300 pound feet with torque at 4,400 rpm. John Hennessey says that the engine could probably tear higher, but they will probably set tear limits at 7,200 rpm ground.

Even with the engine finally revealed, not all specifications are final. Hennessey told us that production could be increased if more needed to beat the top speed of 301 mph. He said this is the starting point, though. He also stated that, while it is not being made to be a lightning-fast car, the company still operates on a 7-minute round on the Nürburgring. Hennessey will also build 24 copies, and 15 people have ordered it. The company has previously said that the car will cost $ 1.6 million.

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