BP38321SP BluePrint Engines 383 c.i SB Shortblock Plus BluePrint Engines 383CI Engine; Small Block GM Style; Shortblock Plus; Roller Cam BP38321SP.
*Stock may be limited please call for availability before ordering*
*Prices include shipping to a business address with a forklift or loading dock*
*Residential addresses or lift gate deliveries please call for a quote*
Overview:
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. 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, with a 1.6-inch rocker arm, and a high-volume oil pump.
Description:
- Horsepower & Torque: 432 Horsepower / 450 FT LBS. Torque
- Compression Ratio: 9.5:1
- Forged Pistons
- Forged Crank
Block:
- BluePrint Engines High Strength Cast Iron Block
- 4 Bolt Main
- 1 Piece Rear Main Seal
- 4.00" Bore
- Passenger Side Dipstick
- Align Honed Main Bearing Bore
- Cylinders Honed on Computer-Controlled Machine to Within .0002 Straightness and Roundness
- Cylinders are Sonic Tested for Thickness
Rotating Assembly:
- New Forged Crankshaft
- 3.75" Stroke
- Forged Pistons, 18cc Dish
- Forged Rods with 150,000 PSI Bolts
- High Volume Oil Pump
- Hydraulic Roller Cam
- Heavy Duty Double Roller Timing Set
- Harmonic Balancer
Cam Specs w 1.5 Rocker Ratio:
- Cam Type: Hydraulic Roller
- .495 Intake / .502 Exhaust Lift
- 220 Intake / 224 Exhaust Duration
- @ .050-114 Degree Lobe Separation
Ignition Timing:
- 34 Degrees Total (at 3500 RPM)
Also Includes:
- Oil Pan
- Timing Cover
- Harmonic Balancer
Recommended Break in Oil: BPP710 (Click Here)
Recommended Service Oil: BPP10W30 (Click Here)
Recommended Oil Filter: BPP51061 (Click Here)
Notes:
- This engine features a true 4-inch bore, which mathematically yields 377 CID with a 3.75-inch stroke.
- This engine requires a non-weighted 8" harmonic balancer (included), and late 350ci weighted flexplate/flywheel.
- The HP and Torque numbers were derived from dyno testing with a 750cfm carb, and with H8002K cylinder heads installed.
- Not for use in pollution-controlled vehicles.
*A Bronze Distributor Gear is NOT Recommended on this Engine.