This BluePrint Engines 383 cubic inch GM small block crate engine is a deluxe dressed, carbureted build rated at 436 horsepower and 443 lb-ft of torque. It pairs a cast iron 4-bolt main block, 3.750 in stroke crankshaft, hydraulic roller cam, and BluePrint aluminum heads with a Holley Classic 750 CFM vacuum secondary carburetor, water pump, fuel pump, harmonic balancer, spark plugs, wires, and air cleaner already supplied.
Specifications:
- Displacement: 383 c.i.
- Horsepower: 436 HP
- Torque: 443 lb-ft
- Bore: 4.000 in
- Stroke: 3.750 in
- Compression ratio: 10.0:1
- Block: High-strength cast iron, manufactured and machined in the USA, 4-bolt main, 1-piece rear main seal, mechanical fuel pump provision, passenger-side dipstick, drilled and tapped for clutch linkage
- Crankshaft: Cast, 3.750 in stroke
- Connecting rods: OEM type, 5.700 in, with 150,000 PSI bolts
- Pistons: Hypereutectic
- Cylinder heads: BluePrint aluminum H8002K, 64cc chamber, 2.02 in intake / 1.60 in exhaust valves, 195cc intake / 75cc exhaust runners, .500 raised port versus OEM
- Camshaft: Hydraulic roller, .544 in intake / .555 in exhaust lift, 230/236 duration at .050, 110 deg LSA
- Induction: Carbureted: Holley Classic 750 CFM vacuum secondary carburetor with manual choke
- Balance: Externally balanced front and rear
- Ignition timing: 34 degrees total at 3500 RPM
- Fuel: 91+ octane
- Part number: BP38318CTC1D
What's Included: This is a deluxe dressed, carbureted engine. BluePrint itemizes the following: Holley Classic 750 CFM vacuum secondary carburetor with manual choke (no BPP part number shown on the BluePrint page), standard rotation long style water pump (BPP67265), aluminum intake manifold (BPP350VINT), thermostat and thermostat housing, mechanical fuel pump (BPP61073), HEI distributor (BPP350RBK), valve covers (BPP9518), harmonic balancer, spark plug wires, timing cover, spark plugs, air cleaner, and oil pan.
Engine Platform: Built to the GM small block (SBC) platform. BluePrint notes that a true 4.000 in bore with a 3.750 in stroke mathematically yields 377 c.i., that the engine will not clear a stock Corvette hood, and recommends electric fans producing 3000 cfm or more for engines 400 c.i. or less.
Compliance: BluePrint states this engine is not for use in pollution-controlled vehicles.
Prop 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information visit www.P65Warnings.ca.gov.
FAQ
What comes on the BP38318CTC1D deluxe dressed engine?
BluePrint itemizes a Holley Classic 750 CFM vacuum secondary carburetor with manual choke, a standard rotation long style water pump (BPP67265), an aluminum intake manifold (BPP350VINT), a thermostat and thermostat housing, a mechanical fuel pump (BPP61073), an HEI distributor (BPP350RBK), valve covers (BPP9518), a harmonic balancer, spark plug wires, a timing cover, spark plugs, an air cleaner, and an oil pan.
How much power does it make?
It is rated at 436 horsepower and 443 lb-ft of torque.
What carburetor is on it?
A Holley Classic 750 CFM vacuum secondary carburetor with a manual choke. BluePrint does not show a BPP part number for the carburetor.
Can it be used on a pollution-controlled vehicle?
No. BluePrint states this engine is not for use in pollution-controlled vehicles.
What octane does it require?
It is a 10.0:1 engine that BluePrint lists for 91+ octane fuel.
