Description
BluePrint BP38321SP GM 383 Short Block Plus Crate Engine, Forged Crank
True Blue Power! BluePrints pro engine builders are enthusiasts just like you and it shows in the quality and performance of every engine they build. Each BluePrint crate engine is carefully dyno tested and ships with printed, proven results. If you’re looking serious horsepower at an affordable price, BluePrint Engines is the choice for you!GM 383 Short Block Plus
Overview
- HP & Torque: 432 HP / 450 FT LBS
- Compression Ratio: 9.5:1
- Forged Pistons
- Forged Crank
- Part #: BP38321SP
Block
- 4 Bolt main
- 4.00″ bore
- Passenger side dipstick
- Align honed main bearing bore
Rotating Assembly
- New forged crankshaft, 3.75″ stroke
- Forged pistons, 18CC Dish
- Forged rods with 150,000 PSI bolts
- Hastings moly rings
- Melling high volume oil pump
- Hydraulic roller cam
- Heavy duty double roller timing set
- Harmonic balancer
Cam Specs
- Cam Type: Roller, Lift with 1.6 rockers .528 Intake .536 Exhaust, 221 Intake / 226 Exhaust duration @ .050 – 110 degree lobe separation
Ignition Timing
- 34 degrees total (at 3500 RPM)
Also Includes
- Oil pan and timing cover
- Brass freeze plugs
- Dyno tested – shipped with results
Notes
Bore and stroke combination makes this crate engine a 377ci displacement
| KEY SPECS | |
|---|---|
| MFG. Part # | BP38321SP |
| Brand | BluePrint Engines |
| Crate Engine Type | Short Block |
| Engine Displacement | 383 cu. in. |
| Horsepower | 432 horsepower |
| Compression Ratio | 9.5:1 |
| Torque | 450 ft./lbs. |
| Camshaft Type | Hydraulic Roller Tappet |
| Piston Material | Forged Aluminum |
| Crankshaft Material | Forged Steel |
| Camshaft Duration (.050 in) | 221° intake / 226° exhaust |
| Camshaft Lift (in) | .528 intake / .536 exhaust |
| Bore x Stroke (in) | 4.000″ x 3.750″ |
| Intake Manifold Included | No |
| Distributor Included | No |
| Connecting Rod Material | Forged Steel |
| Valve Covers Included | No |
| Cylinder Heads Included | No |
| Rear Main Seal Style | 1-piece |
| Oil Pan Included | Yes |
| Timing Cover Included | Yes |
| Water Pump Included | No |
| Harmonic Balancer Included | Yes |
| Flexplate Included | No |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | No |
| Spark Plug Wires Included | No |
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