Name: GM Small Block Compatible 383 c.i. Engine - 436 Horsepower - Short Block Plus
Brand: Blueprint Engines
SKU: BP38318SP
Price: 5299.0 USD
Availability: InStock

GM Small Block Compatible 383 c.i. Engine - 436 Horsepower - Short Block Plus

Horsepower & Torque: 436 Horsepower / 443 ft. lbs. Torque

Compression Ratio: 10:1 with 64 cc heads and .041 in. Head Gasket

Camshaft: Hydraulic Roller Cam - Lift with 1.6 Rockers - .544 Intake / .555 Exhaust Lift and 230 Intake / 236 Exhaust Duration @ .050 - 110° LSA

Pistons: Hypereutectic

Crankshaft: Cast Crank - 3.750" Stroke and 5.700" Rods

Fuel Recommendation: 91+ Octane

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Overview:

BluePrint BP38318SP GM Small Block Compatible performance short block engine have 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 BP38318SP 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, with a 1.6-inch rocker arm, and a high-volume oil pump.

Description:

Horsepower & Torque: 436 Horsepower / 443 ft. lbs. Torque
Compression Ratio: 10.0:1
BluePrint Engines Hydraulic Roller Cam
BluePrint Engines Hypereutectic Pistons
BluePrint Engines Cast Crankshaft

Block:

BluePrint Engines High Strength Cast Iron Block
Align Honed on Computer-Controlled Machine to Within .0002 Straightness and Roundness
Cylinders are Sonic Tested for Thickness
Passenger Side Dipstick
4 Bolt Main
4.00'' Bore

Rotating Assembly:

Cast Crankshaft
3.750" Stroke
New Rods with 150,000 PSI Bolts
Hypereutectic Pistons, 12cc Dish
Hastings Moly Rings

Cam Specs w/ 1.6 Rocker Arm:

Hydraulic Roller Cam
.544 Intake / .555 Exhaust Lift
230 Intake / 236 Exhaust Duration
@ .050-110 Degree Lobe Separation

Ignition Timing:

34 Degrees Total (at 3500 RPM)

Also Includes:

Heavy Duty Single Roller Timing Set
High Volume Oil Pump
Harmonic Balancer
Timing Cover
Oil Pan

Notes:

This engine features a true 4-inch bore, which mathematically yields 377 CID with a 3.75-inch stroke.
This engine requires a weighted 8'' harmonic balancer (included), and late 350ci weighted flexplate/flywheel.
The horsepower and torque numbers derived from Dyno testing with a 750cfm Carb, and with H8002K Cylinder head installed.
NOT for use in pollution-controlled vehicle.

* A Bronze Distributor Gear is NOT Recommended on this Vehicle.

BluePrint Engines recommends the parts and specifications listed below. If you prefer to install a different part, your engine may not produce the horsepower recorded on your dyno sheet.

Part Number: BP38318SP

Fuel Delivery Type: 750 CFM or larger carburetor, pending head choice.

Spark Plug: Cylinder head specific

Harmonic Balancer: BPP400L - 400ci Weighed, 8" Diameter

Flexplate/Flywheel: Late 350 Weighted

Stall Converter: 2000-2400 RPM

Intake Manifold: BPP350VINT

Fuel Recommendation: 91+ Octane or higher, pending cylinder head choice.

Timing (Initial/Total Advance): Initial Timing - 10-16° and Total Timing 32-34°

Firing Order: 1,8,4,3,6,5,7,2

Recommended Break in Oil: BPP710 (Click Here)

Recommended Service Oil: BPP10W30 (Click Here)

Recommended Oil Filter: BPP51061 (Click Here)

Total Oil Capacity with Production Oil Pan, and Filter: 5 Quarts

Header Partners: Click here for our Header Partners and recommendations.

Click here to download a copy of the Installation Guide that came with your BluePrint engine.

BETTER THAN THE REST.

At BluePrint Engines, customer satisfaction is our highest priority. Every engine is built using high-quality components, with each rotating assembly balanced to within two grams of specification. Before shipment, every crate engine is dyno tested and certified to ensure it is ready to deliver the horsepower and torque you expect.

To stand behind that level of quality, BluePrint Engines offers industry-leading warranty coverage, providing confidence and peace of mind whether the engine is installed by an individual or a professional installer. Our standard warranty is fully transferable, adding long-term value and reassurance for our customers.

Warranty Coverage Details:

BluePrint Engines (including Builder Series)- Standard Warranty 30 months or 50,000 miles (parts and labor)*
BluePrint Engines Extended Warranty- 48 months or unlimited miles (parts and labor)*
Race / Motorsports Engines -No warranty
Marine Engines- 12 months (parts and labor)
Short Blocks-12 months (parts only)
Bare Blocks- 6-Month Unaltered
International Sales- Warranty coverage is handled by the in-country distributor

*Applies to eligible engine part numbers beginning with “B” or “P.” Warranty coverage is subject to terms and conditions. Proper installation and maintenance are required.

Please refer to full warranty documentation for complete details click here.

IT ALL COMES DOWN TO RESULTS.

We make sure we hit our target horsepower and proper torque with every crate engine. We use an advanced computerized balancer to get our rotating assemblies within two grams, ensuring silky smooth power over the entire RPM range. That's precisely why our engines sound and run better than our competitors.

BRAGGING RIGHTS INCLUDED!

A comprehensive, dyno-generated printout showing these critical specs will accompany your delivered engine. No more guessing or wondering what your installed engine's real-world peak horsepower and torque ratings actually are. Any doubters in the crowd? Simply flash 'em your dyno results!

This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!

RECOMMENDED PRODUCTS:

BluePrint Engines Crate Engine Break-In Oil — 1 Quart