Chevrolet Performance 2016-2017 350ci / 580hp Supercharged COPO Crate Engine
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- Block: Chevrolet Performance LSX cast-iron with steel main caps
- Bore / Stroke: 4.065" x 3.370"
- Static Compression Ratio: 10.9:1 nominal
- Crankshaft: Callies 4340 "Dragonslayer" - double-keyed snout
- Connecting Rods: Callies 4340 H-beam "Ultra" Forged Steel, 6.350" Length, .927" Pin Bore Diameter
- Bearings: Clevite "H-Series" heat-treated tri-metal rod and main bearings
- Pistons: Mahle forged 2618 alloy, Dome Top, Graphal coating, Friction-coated skirts
- Piston Rings: Mahle .043" x .043" x 3mm, Ductile iron top with radius molybdenum face, Plain cast-iron tapered 2nd, Chrome-plated oil rails with low-tension expander
- Camshaft: Comp Cams steel billet hydraulic roller; Duration - 242° int. / 257° exh. @ .050"; Theoretical Valve Lift - .641" int. / .641" exh.
- Tappets: Chevrolet Performance "Ceramic Ball" high-rpm hydraulic roller
- Pushrods: 3/8" diameter LS7
- Rocker Arms: 1.8:1 ratio LS7 with roller trunions
- Valve Springs: Performance Springs Incorporated (PSI) "Max Life" beehive
- Cylinder Heads: Fully CNC'd aluminum based on LSX LS7; Nominal Intake Port Volume - 289cc; Nominal Exhaust Port Volume - 105cc; Nominal Combustion Chamber Volume - 70cc
- Intake Valves: Del West titanium 2.205" (Head Diameter) x 8mm (Stem Diameter)
- Exhaust Valves: Lightweight sodium-filled 1.615" (Head Diameter) x 8mm (Stem Diameter)
- Head Gaskets: Cometic multi-layer steel with raised cylinder sealing bead
- Oil Pump: Internal wet sump
- Oil Pan: Fabricated Aluminum 7-quarts
- Harmonic Damper: ATI Performance Products SFI-approved "Super Damper" w/10-rib shell
- Water Pump: Chevrolet Performance LS3
- Intake Manifold/Induction: Whipple Industries 2.9L twin-screw superchager
- Throttle Body: Whipple Industries - Billet Aluminum 109mm, Cable-actuated
- Fuel Injectors (Flow Rate): 80 lb/hr @ 43.5 psi with EV1 connector
- Ignition: Production LS7 ignition coils and secondary wires
Engine Break-In Procedure
Use only engine oil that meets dexos1 specifications. For track events or competitive driving, use Mobil 1 15W-50 engine oil. Fill the engine with oil and follow the proper engine priming procedure. Also check and fill as required any other necessary fluids such as coolant, power steering fluid, etc.
Start the engine and listen for any unusual noises. If no unusual noises are noted, run the engine at approximately 1000 RPM until normal operating temperature is reached. The engine should be driven at varying loads and conditions for the first 30 miles or one hour without wide open throttle (WOT) or sustained high RPM accelerations. Run five or six medium throttle (50%) accelerations to about 4000 RPM and back to idle (0% throttle) in gear. Run two or three hard throttle (WOT 100%) accelerations to about 4000 RPM and back to idle (0% throttle) in gear.
Change the engine oil and filter. Inspect the oil and the oil filter for any foreign particles to ensure that the engine is functioning properly. Drive the next 500 miles (12 to 15 engine hours) under normal conditions. Do not run the engine at its maximum rated engine speed. Also, do not expose the engine to extended periods of high load. Change the oil and filter again, inspect the oil and oil filter for any foreign particles to ensure that the engine is functioning properly.
Specifications:
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.