Title
his is a modern, high-output, fuel-injected engine designed as an “LS swap” package for classic muscle cars, street rods, or off-road project vehicles looking for reliable, plug-and-play modern power.
Detailed Technical Specifications
Core Performance
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Horsepower: 530 hp
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Torque: 495 lb-ft
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Compression Ratio: 10.7:1
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Recommended Fuel: 91+ Octane
The Engine Block
Unlike standard aluminum LS3 blocks, BluePrint built this using their custom, high-strength cast iron (LSX-style) 6.2L block. This provides extreme structural rigidity and durability, featuring:
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Bore: 4.0662″
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Main Cap Design: 6-Bolt Main for maximum bottom-end stability.
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Oiling System: Priority main oiling system to ensure vital bearings are lubricated first.
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Additional features: Increased deck thickness, extended cylinder skirts, and an improved water jacket design for better cooling.
Rotating Assembly & Cylinders
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Crankshaft: Nodular Iron (3.622″ Stroke)
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Connecting Rods: Forged 6.125″ rods equipped with heavy-duty 150,000 PSI bolts.
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Pistons: Hypereutectic aluminum.
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Cylinder Heads: BluePrint Aluminum LS3 heads (Part #PS8015) featuring a 69cc combustion chamber, massive 2.165″ intake / 1.590″ exhaust valves, and highly efficient 259cc intake runners.
Valvetrain & Camshaft
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Cam Type: Hydraulic Roller
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Cam Lift: .612″ Intake / .585″ Exhaust
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Cam Duration (@ .050″): 225° Intake / 238° Exhaust
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Lobe Separation Angle (LSA): 113° (designed to provide a strong, muscular idle while keeping vacuum pressure stable for power brakes).
What is Installed (“Base Dressed”)
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Induction: GM Plastic LS3 intake manifold with a Drive-by-Wire (DBW) Throttle Body.
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Fuel System: Fuel rails and high-flow fuel injectors.
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Ignition: Individual coil packs (mounted on black valve covers), spark plugs, and plug wires.
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Front Accessories: Water pump and a short Corvette-style harmonic balancer.
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Oil Pan: Retrofit swap oil pan (designed to clear crossmembers on older vehicles).









