The marine Viper engine is still in production with 725hp, no need for a sc, but a sc LS7 would be right up there too.
Chevrolet Corvette ZR1 laptime at Willow Springs
2008 Chevrolet Corvette ZR1 completed a lap of Willow Springs in 1 minute and 29.69 seconds.
|Vehicle||Chevrolet Corvette ZR1|
|Power / weight||647 ps / 1528 kg|
|Average speed||156 kph (97 mph)|
|Submitted||21.09.2010 by motortrend|