Name: GM Small Block Compatible 383 c.i. Engine - 436 Horsepower - Short Block Plus
Brand: Blueprint Engines
SKU: BP38318SP
Price: 4749.0 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 head 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

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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 (see dyno chart). 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
Hypereutectic Pistons
Cast Crankshaft

Block:

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

Rotating Assembly:

Cast Crankshaft
3.75" Stroke
Hypereutectic Pistons, 12cc Dish
New Rods with 150,000 PSI Bolts
Hastings Moly Rings
High Volume Oil Pump
Hydraulic Roller Cam
Heavy Duty Single Roller Timing Set

Cam Specs w/ 1.6 Rocker Arm:

Cam Type: Roller
.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:

Harmonic Balancer
Timing Cover
Oil Pan

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 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.

Engine Accessory Specifications

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.

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

Spark Plug: Cylinder head specific

Harmonic Balancer: BPP400L - 400 ci 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 Correct BPP51061 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.

The satisfaction of our customers is our highest priority at BluePrint Engines. We use quality components to balance your engine's rotating assembly within two grams of spec. We dyno test your crate engine and certify that it's ready to deliver horsepower and torque.

We give your BluePrint engine the industry's best-in-class warranty for 30-months / 50,000 miles — with the extra confidence only BluePrint can provide. Our warranty applies to individual or professional installations and is fully transferable.

For a detailed overview of our warranty, 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