Chris Winkler, an SRT vehicle dynamics engineer piloted a black and red 2010 Dodge Viper SRT10 ACR (American Club Racer) to a lap record of 1:33.915 as recorded by Motech in-vehicle data recorder (1:33.944 – as unofficially recorded by trackside clock) around the 2.238-mile, 11-turn course, shattering the previous lap record by more than 1.1 seconds.
New for the 2010 model year is a shorter fifth gear ratio (changing from 0.74 to 0.80) for improved high-speed acceleration and higher straightaway speeds. This improvement is a direct result of SRT’s experience at the 12.9-mile Nürburgring Nordschleife circuit in Germany where during the lap-record run in 2008, it was found that a revised gear ratio would have resulted in a higher speed capability and potentially a shorter elapsed time.
The Dodge Viper is going into the final year of production for the current-generation model. Approximately 500 Vipers will be produced in 2010. Powered by the venerable 8.4-liter, V-10 engine with 600 horsepower and 560 lb.-ft. of torque, the Dodge Viper ACR continues to offer extreme performance, including 0-60 mph acceleration in less than 4 seconds, quarter-mile time in the mid 11-second range and 0-100-0 mph in 11 seconds flat.
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