Cadillac 2005 CTS Owner's Manual page 389

Engine
2.8L HFV6
3.6L HFV6
5.7L V8
Engine Horsepower
5.7L V8 (LS6) 400 hp @ 6000 rpm
Engine Specifications
VIN Code
T
7
S
CTS-V Engine Data
Torque
395 ft lb @ 4800 rpm
Transmission
Automatic
6-Speed Manual
Automatic
6-Speed Manual
6-Speed Manual
Displacement
5.7 L
Spark Plug Gap
0.043 inches (1.1 mm)
0.043 inches (1.1 mm)
0.040 inches (1.01 mm)
Compression Ratio
10.5:1
5-109