BluePrint Engines 436 HP Long Block GM 383 Small-Block Crate Engine

Looking for an engine to match your restomod or street-driven classic? BluePrint Engines’ GM 383 small-block crate engine (BP38318CT1) is exactly what you need! Tuned for strong mid-range torque, it’s built to a 10.0:1 ratio and runs great on pump gas. It also features forged connecting rods and hypereutectic pistons. Meaning, it’s built tough to handle hard, frequent driving, so you can enjoy your drives to the fullest.

Features and Benefits:
- High-strength, cast iron engine block with 4.000” bore
- Operates at 436 horsepower and 443 ft.-lbs. torque
- 10.0:1 compression ratio for stronger throttle response and crisp performance
- 4-bolt main offers stronger bottom end for high-HP applications
- 1-piece rear main seal ensures stronger, leak-free security
- Block is drilled and tapped for clutch linkage
- Built-in BluePrint Engines Muscle Series cylinder heads made of aluminum
- Cast iron crankshaft with 3.750" stroke and forged 5.700" rods
- Connecting rods use OEM-type design and 150,000 PSI bolts
- Hypereutectic pistons for better strength and heat resistance
- Rotating assembly has externally balanced front and rear
- Hydraulic roller cam. for lower maintenance and better strength than flat tappet cam.
- Ignition timing: 10-16 degrees initial, 32-34 degrees total
- Includes mechanical fuel pump provision and passenger-side dipstick
- Backed by BluePrint Engines' 30-month/50,000 mile-warranty

Also Includes:
- Valve covers
- Oil pan
- Dipstick
- High-volume oil pump
- Timing cover

Cylinder Head Specifications:
- 64cc chambers
- 2.02" intake / 1.60" exhaust valves
- 195cc intake / 75cc exhaust runners

Camshaft Specifications:
- .544” intake / .555” exhaust lift
- 230 degrees intake / 236 degrees exhaust duration
- @ .050-110 degrees lobe separation

Additional Notes:
- Not designed for EGR use.
- This engine features a true 4” bore, which mathematically yields 377 CID with a 3.75” stroke.
- The cylinder heads feature a .500" raised port vs OEM. Please verify header and exhaust clearance prior to installation.