Chevrolet Performance Engines | GM 350 Marine Engines | Vortec Engines | TBI Engines | Panther Engine | Engine Options
Class II Version - Chevrolet 5.7 340 HP | Class II Version - Chevrolet 350 280 HP | Class II Version - Chevrolet 350 Marine 325 HP | Class II Version - Chevrolet 350 280 HP | Class II Version - Chevrolet 350 300 HP | Class II Version - Chevrolet 350 300 HP Vortex | Class II Version - Chevrolet 350 300 HP TBI | Class II Version - Chevrolet 350 325 HP | Class II Version - Chevrolet 350 350 HP | Class II Version Chevrolet 350 360 HP Panther | Class III Version - Chevrolet 350 400 HP
Version Description: The Class II Performance engine is for the serious performance minded person who needs power for a specific application. These engines are built with heavy-duty performance in mind. Special components and procedures are selected and matched to obtain maximum performance for your application. Not intended for use on pollution-controlled motor vehicles. Version Applications: 19962003 Vortec Chevrolet and GMC C/K Series trucks Part Specifications: Approximate 9.0:1 compression ratio High performance rod bolts and nuts High rev lifters and performance valve springs with retainers High volume oil pump Flat top hypereutectic pistons and moly rings Harmonic balancer Screw in rocker studs High performance stainless steel valves: 1.94 Intake; 1.5 Exhaust Class II camshaft High performance bearings High performance head gaskets Four bolt main block Machining Specifications: Kolene Salt Bath cleaning Three angle valve seat machining Precise surface finish measuring Square decking of block Main saddle align honing Electronically balanced engine assembly Torque plate honing Computerized boring Precision crankshaft machining, oil hole chamfering and polishing Live testing Camshaft Specifications: Hydraulic Roller Camshaft .050 Duration: 210° Intake; 220° Exhaust Advertised Duration: 264° Intake; 274° Exhaust Valve Lift: .480 Intake; .480 Exhaust Lobe Separation Angle: 112° Camshaft Range Guide and Recommended Equipment: Pump gas compatible Fair idle with lope Operating range of 2000-4800 rpm Good midrange torque and response: 2400-3200 rpm range Good highway towing with correct axle ratio Stock automatic or manual transmission compatibility Recommended 3.70:1 axle ratio This engine is designed for improved performance over the standard O.E. engine. The existing intake manifold does not need to be changed. The customer must supply vehicles computer for reprogramming. Our sales representatives will need information about your current computer, tire size, gear ratio, type of trans-mission and any induction or exhaust modifications to your engine.
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