Specifications »

Engine Details »

Horsepower: 330 hp @ 5000 RPM
Maximum RPM: 5500
Torque: 380 lb-ft @ 3800 RPM
Compression Ratio: 9.1:1
Block: Cast iron 4 bolt main one piece rear main seal
Crankshaft: Nodular cast iron
Connecting Rods: PM steel
Camshaft: Gross Lift: .435" I / .460" E
Duration @ .050 Lift (212-Intake I 222-Exhaust)
Timing Chain: GM 14087014
Cylinder Heads: Cast iron 64-cc Vortec
Intake Valves: GM 10241743 (1.94")
Exhaust Valves: GM 12550901 (1.50")
Valve Springs: GM 10212811
Pistons: Cast aluminum
Piston Rings: GM 14089025
Rings: Moly
Rocker Arms: GM 10089648 (1.5 ratio)
Valve Lash: Zero
Timing: 10 BTDC @ 700 RPM
Spark Plugs: R44T (Gap @ .045 (300HP350)), 41-932 (Gap @ .060 (330HP350)), R44LTS (Gap @ .045 (330HP350))

P/N: 350-HOC