The following are the specs on the 97 C5
Engine Specifications
Type Overhead valve, pushrod V8, cast aluminum block and heads, 2 valves/cylinder
Bore 3.90 in.
Stroke 3.62 in.
Displacement 5.68 Liters
Compression Ratio 10.1:1
Horsepower 345 bhp @ 5600 rpm
Torque 350 lb-ft @ 4400 rpm...