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Top Gear brings together LaFerrari, McLaren P1 and Porsche 918

Earlier this month, Top Gear released a brief video of the comparison test between three hybrid hypercars we'd all been waiting for: the Ferrari LaFerrari, McLaren P1 and Porsche 918 Spyder. The story was done by the print magazine and not by the television show, and the video they released was barely over half a minute long, reserving the full version for subscribers of the iPad edition. Now the British mag has put the full video on YouTube, and while it's still only a minute and a half long – three times the length of the previous teaser – it's packed with electrified exotic goodness. The test surely took some serious wrangling to put together, and though the metal (or carbon fiber, as the case may be) was apparently furnished mostly by private owners, to hear Top Gear tell it, the manufacturers – Ferrari, McLaren and Porsche – were eager and helpful in putting the showdown together. For the final conclusions, we're afraid you'll still have to buy the magazine, but for a rare chance to watch all these three world-beaters on the same road at the same time, you'll want to scope out this latest video clip. Related Video: News Source: Top Gear via YouTube Ferrari McLaren Porsche Hybrid Supercars Videos porsche 918 spyder mclaren p1 ferrari laferrari

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.

Ferrari F150 Enzo-successor takes some loud laps at Fiorano

From recent spy shots to leaked information, we're starting to get a good idea about just how amazing the unnamed successor to the Ferrari Enzo will be, but now we've finally gotten to see some video of the car testing at the Fiorano Circuit in Italy. This video not only gives us an earful of the car's screaming engine and rumbling exhaust note, it also affords us a view of the car without its fish-face camouflage that it has been caught wearing recently.
The video shows the new supercar testing around the 12-turn, 1.877-mile track with an Enzo, and it is interesting to hear the differences between the 651-horsepower Enzo and its reportedly 950-hp hybrid successor. Scroll down to watch the newest Ferrari going through some track testing, and be sure to turn your speakers up.