Chevrolet 2011 Corvette Owner's Manual page 403

Engine
6.2L LS3 V8 without
option NPP
6.2L LS3 V8 with
option NPP
6.2L LS9 V8
Supercharged
7.0L LS7 V8
Horsepower
430 @ 5900 rpm 424 lb ft @ 4600 rpm
436 @ 5900 rpm 428 lb ft @ 4600 rpm
638 @ 6500 rpm 604 lb ft @ 3800 rpm
505 @ 6300 rpm 470 lb ft @ 4800 rpm
Engine Data
Torque Displacement
Technical Data
Compression Ratio
6.2L 10.69:1
6.2L 10.69:1
6.2L
7.0L 11.00:1
12-5
9.10:1