The first Corvette ZR1 to hit the dyno was this Cyber Gray car which had all of 30 miles on her. The bone stock SAE adjusted number came in at 530 rwhp and 508 ft-Lbs of torque. After making some tuning adjustments, we see the SAE adjusted numbers rose to 567 rwhp and 532 ft-lbs of torque.
The Mariner will come with a standard 2.3-liter, 16-valve Duratec 23 four-cylinder that produces 153 horsepower at 5,800 rpm and 152 lb.-ft of torque at 4,250 rpm. There is also an optional 3.0-liter, 24-valve V6 Duratec 30 engine produces 200 horsepower at 6,000 rpm and 193 lb.-ft of torque at 4,850 rpm.