GM Small Block Compatible 383 c.i. Engine - 432 Horsepower - Power Adder - Short Block Plus
GM Small Block Compatible 383 c.i. Engine - 432 Horsepower - Power Adder - Short Block Plus
GM Small Block Compatible 383 c.i. Engine - 432 Horsepower - Power Adder - Short Block Plus

GM Small Block Compatible 383 c.i. Engine - 432 Horsepower - Power Adder - Short Block Plus

SKU: BP38321SP

GM Small Block Compatible 383 c.i. Engine - 432 Horsepower - Power Adder - Short Block Plus

SKU: BP38321SP

HP & Torque: 432 HP / 450 FT. LBS

Compression Ratio: 9.5:1 with 64cc Head and .041" Thick Gasket - 18 cc Dish Volume

Camshaft: Hydraulic Roller Cam - .495 Intake / .502 Exhaust Lift and 220 Intake / 224 Exhaust Duration @ .050 - 114° LSA

Pistons: Forged

Crankshaft: Forged Steel Crank - 3.750" Stroke and 5.700" Rods

Regular price $5,349.00
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Description

  • Horsepower & Torque: 432 Horsepower / 450 FT LBS
  • Compression Ratio: 9.5:1
  • Forged Pistons
  • Forged Crank

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

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.

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: Carbureted 750CFM +, pending cylinder head choice

Spark Plug: Cylinder head specific

Harmonic Balancer: BPP350 - Non Weighted, 8" diameter

Flexplate/Flywheel: Weighted, 1 pc RMS

Stall Converter: 2400+

Intake Manifold: N/A

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)!

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50K Volt Ignition Coil - External E-Core - Black
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Air Cleaner with Flat Base - 14" Chrome
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Air Cleaner with Flat Base - 14" Black
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Air Cleaner with Drop Base - 14" Black
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Aluminum Mechanical Water Pump – GM SB Compatible – Short – Standard Rotation – Satin
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GM SB and BB Compatible Starter – 3 HP – 153 or 168 Tooth Flywheel – Tilton Style - Chrome
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GM SB and BB Compatible Starter – 3 HP – 153 or 168 Tooth Flywheel – Tilton Style - Black
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GM SB and BB Compatible Starter – 168-Tooth Flywheel – Denso Style - OEM Finish
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168-Tooth Steel SFI 14" Flex Plate - 1-Piece Rear Main Seal - External Balance - GM Compatible
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153-Tooth Steel SFI Flex Plate - 1-Piece Rear Main Seal - External Balance - GM Compatible
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168-Tooth Iron Flywheel - 1-Piece Rear Main Seal - 11" Clutch - External Balance - GM Compatible
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BluePrint Parts – Jiggle Pin Thermostat – 180° - GM Small Block, GM Big Block, Mopar Magnum 360, and Ford Small Block Compatible
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