Crate Engine, BluePrint 383 Stroker, Long Block

383ci Stroker Long-Block Crate Engine by BluePrint Engines®

436-hp / 443 lb-ft core uses cast 3.75-inch crank and hypereutectic pistons by BluePrint Engines®.

BluePrint Engines®' 383ci Stroker Long Block is rated at 436 hp and 443 lb-ft with 10.0:1 compression. It combines cast 3.75-inch-stroke crankshaft, hypereutectic pistons, 64cc aluminum cylinder heads and hydraulic-roller camshaft (.544/.555 lift; 230/236° @ .050, 110° LSA). Long-block configuration retains the 436-hp naturally aspirated core while leaving induction and front accessory drive to the installer.

Additional Technical Specifications • HP & Torque: 436 HP / 443 FT LBS • Compression Ratio: 10.0:1 • Hydraulic Roller Cam • Cast Steel Crank 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: • New BluePrint Cast steel crankshaft • 3.750" Stroke • OEM type 5.700" connecting rods w/ 150,000 psi bolts • External Front/ External Rear Cylinder Heads: • 64cc chamber • 2.02" intake/1.60" exhaust valves • 195cc intake/75cc exhaust runners Cam Specs: • Cam Type: Roller • .544 Intake .555 Exhaust • 230 Intake / 236 Exhaust duration • @ .050, 110 ° lobe separation angle Ignition Timing: • Initial timing - 10-16 ° and Total timing 32-34° Also Includes: • Oil Pan • Dipstick • Valve Covers • Timing Cover Warranty: • 30 month / 50,000 mile Notes: • Recommended Stall Converter: 2000 to 2400 RPM. • Recommended Fuel: 91 Octane. • This engine features a true 4 inch bore, which mathematically yields 377 CID with a 3.75 inch stroke. • The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM.