Crate Engine, BluePrint 383 Stroker, Long Block, Power Adder Ready

383ci Stroker Power-Adder Long Block by BluePrint Engines®

415-hp / 430 lb-ft core uses forged 3.75-inch crank and forged pistons by BluePrint Engines®.

BluePrint Engines®' 383ci Stroker Power-Adder Long Block is rated at 415 hp and 430 lb-ft with 8.9:1 compression. It combines forged 3.75-inch-stroke crankshaft, forged pistons, aluminum cylinder heads with raised exhaust ports and hydraulic-roller camshaft (.536/.555 lift; 224/236° @ .050, 113° LSA). Low 8.9:1 compression, forged crank/rods/pistons and the power-adder cam package are intended to provide a stronger foundation for boosted/nitrous combinations.

Additional Technical Specifications • HP & Torque: 445 HP / 463 FT LBS • Compression Ratio: 8.9:1 Block: • NEW BluePrint Cast Iron Block • Manufactured and Machined in the USA! • 4-Bolt Main • 4.000" • 1-Piece Rear Main Seal • Mech fuel pump provision: Yes • Passenger Side Dipstick • Drilled and tapped for clutch linkage Rotating Assembly: • 3.750" Stroke • Forged I-beam 5.700" connecting rods • Internal Front/ External Rear Cylinder Heads: • 64cc chamber • 2.02" intake/1.60" exhaust valves • 195cc intake/75cc exhaust runners Cam Specs: • .536 Intake / .555 Exhaust • 224 Intake / 236 Exhaust Duration @ .050 - 113 Degree Lobe Separation Ignition Timing: • Initial timing - 10-16 ° and Total timing 32-34 ° Also Includes: • Oil Pan • Valve Covers • Timing Cover Warranty 30 month / 50,000 mileNotes Not for EGR. • Built with a dual keyway crank • Harmonic Balancer Warranty: • 30 month / 50,000 mile Notes: • Recommended Fuel: 91 Octane • As Seen In: Super Chevy Magazine • http://www.superchevy.com/how-to/engines-drivetrain/1808-power-adder-ready-crate-engine-dyno-with-nitrous • The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.