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Maxximus G-Force The Maxximus G-Force is the fastest street-legal car in the world. The Maxximus people say so. The World Records Academy says so, too. The numbers? It reaches 60 mph in 2.1 seconds; 100mph in 4.5 seconds, and smashes the supercar 0-100-0 mph benchmark at 8.9 seconds. So there it is: quicker than a Bugatti Veyron; more potent than a McLaren F1. Ferrari Enzo, Porsche Carerra GT and Mercedes-McLaren SLR? Not even close. The Maxximus G-Force is the result of a chance conversation between a chauffeur and his passenger. The chauffeur, Marlon Kirby, was a hot-rodder and car builder with a shop behind his house in Indianapolis. The passenger, philanthropist David McMahan. McMahan was intrigued by Kirby’s dream of creating the ultimate road car. One thing led to another, and McMahan agreed to bankroll the creation of the G-Force.
Start point for the project was the Ultima GTR, a British-built mid-engine sports car that can be bought as a turn-key street car, or built from a kit. Its ultra-low volume and kit-car status means the Ultima — like a number of other British sports cars, such as Radical and Caterham — can be registered for road use. Kirby spent three and a half years re-engineering the Ultima chassis to accept a twin-turbocharged, 1600-hp Chevrolet V-8 under the rear hatch. Understandably, he had trouble finding a suitable transmission. Several attempts with a standard manual led to a series of destroyed clutches, so the team switched to a three-speed automatic. Top speed in first gear is 80 mph. The certificate boasting the G-Force’s performance figures might furrow skeptics’ brows, as it’s offered by Miami, Florida-based World Records Academy. According to Kirby, an appearance by Guinness World Records became too difficult to facilitate. The G-Force is an amazing achievement — apart from one tiny detail. You see, the Maxximus G-Force isn’t strictly a street-legal automobile. Sure, it has a stereo and sat nav. It has lights and turn signals. But if GM. Ford, or even Bugatti presented this thing to the DOT for certification, they’d get laughed out the building, because the Maxximus G-Force hasn’t a hope of meeting current new car crash or emissions standards. There’s only one in existence — the blue car you see here — and it’s already been sold, reportedly to someone in the Middle East,
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Specifications Engine: American Speed-Modified Chevrolet V8 Previously regarded as the fastest, the top flight McLaren F1 has lost its place to the Ultima’s new record-breaking GTR 640. As a street legal supercar, fitted with road tires and built to factory specification, the 640 has reached 0-100-0 mph more than a second faster then the mighty McLaren. During this run on the Bruntingthorpe Proving Ground, the Ultima accelerated to 60mph in 2.8 seconds, hit 100 mph 3.0 seconds later, and then slowed to a standstill after only 9.8! Following the success of the 9.8 run, the GTR 640 has become the fastest accelerating and decelerating production car in the world. Furthermore, Ted Marlow, Managing Director of Ultima, is now convinced that a low nine second run "is possible".Considering the 640 has outperformed the 0-100-0 times during separate 0-60 and 0-100 mph tests, he is probably right. The phenomenal results that the 640 can achieve are made possible thanks
Since 1999, Ultima has been offering their low-volume GTR both as a kit and ‘turnkey’ car completed by the factory. The press has described these Ultimas as having McLaren F1 performance for a fraction of the £630,000 price. In fact, McLaren realized the potential of this chassis design when they used it to test the F1′s engine and transmission. Since Ultima has created the chassis to handle many different power train combinations, one GTR with a DART 427 sold at the 2005 Barret-Jackson Auction for a cool $103 000 USD. In all fairness, the McLaren/Ultima comparison is a little like apples
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