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Hennessey twin-turbo Ferrari 458 boasts 738 hp, 0-60 in 2.8 seconds

Hennessey Performance Engineering, hot off the heels of its Bugatti Veyron-crushing Venom GT, set its sights on modifying one of the finer Ferrari models. The resulting HPE700 Twin Turbo 458 is a badder, faster 458 Italia with a twin-turbo upgrade that adds 168 horsepower to the already potent 4.5-liter V8. That's 738 hp, which, paired with the extra 134 pound-feet of torque, for a total of 532 lb-ft, is good for a 2.8-second 0-60 run.
Low-inertia ball-bearing turbochargers are used to boost the power, and an air-to-water intercooler makes sure the air surging into the combustion chambers is as cool and dense as possible. Twin wastegates and blow-off valves relieve extra boost pressure and, in addition to a new stainless-steel exhaust system, add some new noises to the 458's soundtrack. The V8 is boosted to a relatively mild 7 psi maximum and maintains 6 psi on its way up to redline. A reflash of the engine control unit brings the package together. HPE is confident enough about its wares that the $59,995 upgrade also comes with a one-year/12,000-mile warranty.
The HPE700 Twin Turbo 458 is set to be unveiled on Friday at the Concorso Italiano located at the Laguna Seca Golf Ranch, which is part of California's Monterey Car Week festivities. It also can be viewed on Saturday in the paddock at Mazda Raceway Laguna Seca for the Monterey Historics Rolex Monterey Motorsports Reunion vintage car races. Check out the press release below for the full details, as well as a video of the Ferrari in action.

LaFerrari racing prototype spotted in Southern Europe

Rumors have been circulating for a few months now that Ferrari could be gearing up to challenge for outright victory at Le Mans once again with an LMP1 racer of its own. First the head of the sports racing division hinted at the prospect, then the head of the Formula One team lent it more credence, and most recently, the chairman of the company itself confirmed the possibility. We've even heard some rumors over who could drive the thing. But what we haven't seen yet is any solid proof that the Prancing Horse marque has actually been working on such a racecar.
That could be what we're looking at it here, but then again, it might not be. Spied undergoing testing in Southern Europe, this camouflaged test mule appears to be based on the new LaFerrari supercar, but with some key modifications that indicate this isn't the road-going version. The revised aero is a dead giveaway, with that giant front splitter jutting out like a swollen lip and a massive rear wing protruding from the back. The headlights are different, it's got center-lock wheels fitted at each corner and there's a big snorkel air scoop protruding from the engine bay.
What's clear is that this is test mule has definitely been set up for the race track. The only question is, to what end? Even with all the add-ons, it's still nowhere near as extreme as the purpose-built prototypes that Audi, Toyota and Porsche will be fielding in the FIA World Endurance Championship this year, and it's missing key features like the mandatory center tailfin. It could be a platform for testing components to use on an upcoming LMP1, but if not for the aforementioned Le Mans rumors, our money would have been on something else - be it a GT racing version of LaFerrari like Maserati did with the Enzo-based MC12, or a customer track toy to follow in the footsteps of the (also Enzo-based) FXX and the 599XX that followed.

Overnight action from the 24 Hours of Le Mans

We won't go into a recap here, but there are still leading positions being fought for in all classes - it's so close that leads are changing when a car goes into the pits. We'll let the recap wait until the end of the race, so for now enjoy some shots from last night's action at the 24 Hours of Le Mans.