BluePrint Engines GM 383 Crate Engine Fuel Injected Base Dressed 436 HP

This fuel-injected crate engine (BP38318CTF1) boosts your GM truck up to 436 horsepower with 443 ft-lbs. of torque, offering massive power! It is dyno-tested to ensure its capabilities, including a 3.75" stroke and 10.0:1 compression ratio. As a base dressed model, this engine comes with an intake manifold, an oil pan, valve covers, and a timing cover. Plus, Holley's Sniper II EFI System gives it the fuel injection your truck is craving.

Features and Benefits:
- High-strength cast iron base-dressed crate engine block
- 436 Horsepower / 443 FT. LBS. Torque
- Compression Ratio: 10.0:1
- Features 4-bolt main, 4.000" bore, and 1-piece rear main seal
- Includes mech fuel pump provision
- Drilled and tapped for use with clutch linkage
- Passenger side dipstick placement
- Cast crankshaft with hypereutectic pistons and 3.750" rotation stroke
- OEM-type 5.700" crankshaft connecting rods with 150,000 PSI bolts
- Crankshaft is externally balanced at the front and rear
- Aluminum cylinder heads feature 64cc chamber
- Roller cam design
- Ignition Timing: 10-16° and a total of 32-34°
- Uses Holley Sniper II EFI System
- Backed by BluePrint Engines' 30-month/50,000-mile warranty

Cylinder Head Specifications:
- 64cc Chambers
- 2.02" Intake / 1.60" Exhaust Valves
- 195cc Intake / 75cc Exhaust Runners

Camshaft Specifications:
- 0.544” Intake / 0.555” Exhaust Lift
- 230 Intake / 236 Exhaust Duration
- @ 0.050-110° Lobe Separation

Base Dressed Includes:
- Valve Covers
- Oil Pan
- Timing Cover
- Intake Manifold
- Holley Sniper 2 EFI System

Additional Notes:
- This engine features a true 4" bore, which mathematically yields 377 CID with a 3.75" stroke.
- NOT desiged for EGR.
- Fuel pump is NOT included in this package.
- The aftermarket intake manifold installed on this engine may not be compatible with OEM accessory brackets that use intake mounted bosses.
- The performance aluminum cylinder heads on this engine feature a 0.500 raised port vs OEM.