BluePrint Engines GM Small Block Compatible 383 C.I. Short Block Plus

BluePrint BP38321SP GM Small Block Compatible performance short block engine has been dyno tested at our factory with a Holley Classic 750cfm Carburetor and H8002K Cylinder Heads and produced 436 horsepower and 443 minimum torque. Not every BP38321SP is Dyno tested. This performance shows the capabilities of this engine. Performance may vary depending upon what cylinder heads, fuel system and intake manifold you choose. This engine features a 4-inch bore which mathematically yields a 377ci with a 3.75-inch stroke. This customizable engine comes with timing cover, harmonic balances, oil pan, hydraulic roller cam, and a high-volume oil pump. This power adder engine is engineered to handle any type of forced induction. Whether you’re adding nitrous, a supercharger, or turbos, this short block has the strength and reliability to take the boost.

• BluePrint lists BPPB160 as the recommended oil filter and BPP10W30 as the recommended service oil for at least some LS engine applications.

Attributes:

• Brand Name: BluePrint Engines
• GTIN: 00887753908414
• Air Cleaner Included: No
• Block Description: BluePrint Engines Cast Iron Block - 4 Bolt Main
• Cam: Hydraulic Roller - .495 Intake / .502 Exhaust Lift - 220 Intake / 224 Exhaust Duration -@ .050-114 LSA
• Carb/Fuel Injection Included: No
• Compression Ratio: 9.5:1 w/ 64cc Head and .041 in. Head Gasket
• Crankshaft Vendor: BluePrint Engines
• Cylinder Head Vendor: N/A
• Cylinder Heads: N/A
• Cylinder Heads Included: No
• Distributor Included: No
• Distributor Vendor: N/A
• Engine Balance: Internally Balanced Front - Externally Balanced Rear
• Firing Order: 1,8,4,3,6,5,7,2
• Flexplate/Flywheel Included: No
• Fuel Delivery Type: (Not Included) Recommended 750cfm Carburetor or Higher Depending on Head Choice
• Fuel Delivery Vendor: N/A
• Harmonic Balancer Included: Yes
• Horsepower: 430
• Intake Manifold Included: No
• Intake Manifold Type: N/A
• Intake Manifold Vendor: N/A
• Oil Pan Included: Yes-Rear Sump
• Pistons: Forged
• Pulley Kit Included: No
• Quantity: EA
• Rear Main Seal Style: 1 Piece
• Recommended Flexplate/Flywheel: BPP871006 - BPP399173 - BPP300116
• Recommended Harmonic Balancer: BPP350
• Recommended Octane Fuel: 91+ Octane
• Recommended Spark Plug: BPP7938 - NGK 7938 BKR5E
• Recommended Spark Plug Gap: .035 in.
• Recommended Stall Converter: 2000-2400 RPM
• Rotating Assembly: Forged Crank - 3.75 in. Stroke and 5.7 in. Rods - This engine features a true 4-inch bore, which mathematically yields 377 CID with a 3.75-inch stroke.
• Spark Plug Wires Included: No
• Spark Plugs Included: No
• Timing Cover Included: Yes
• Timing Requirements: Initial Timing 10-16 - Total Timing 32-34
• Torque: 450
• Valve Covers Included: No
• Water Pump Included: No

Extended Information:

• Country of Origin: United States
• Emissions : Racing or Pre-Emissions Use Only

Packing Information:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 27 x 30 x 38 inches
• Weight: 390 POUNDS

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