Most Powerful Non-Turbo 911 in History

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Most Powerful Non-Turbo 911 in History

Postby TeMerc » Fri Feb 24, 2006 4:21 pm

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2007 911 GT3

Porsche's new 2007 911 GT3 will make its public debut at the Geneva Motor Show on February 28, 2006.

The latest race- bred 911 sports coupe features a 415-horsepower naturally aspirated engine with an 8,400 rpm redline, an active suspension setup tuned for the track, and a mechanical limited-slip differential.

The 415-horsepower, 3.6-liter flat- Six engine produces a specific output of 115.3 horsepower-per-liter, among the highest of any naturally aspirated production car.

The GT3 engine's performance has been fortified by careful attention to airflow rates. Changes to the variable intake system include a throttle valve enlarged from 76 to 82 millimeters, optimized cylinder heads, and a low-backpressure exhaust system.

To take advantage of the extended-rev characteristics of the engine, the 2007 911 GT3 features a revised six-speed manual transmission, with lower gear ratios for 2nd through 6th.

Impressive acceleration figures, allowing the 2007 911 GT3 to reach 60 mph from a standstill in 4.1 seconds (0-100 km/h, 4.3 sec.), and 100 mph (160 km/h) from a standing start in 8.7 seconds. The top test- track speed of the new 911 GT3 is 193 mph (310 km/h).

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