GM SB Compatible 383 c.i. Engine - 436 HP - Short Block Plus
GM SB Compatible 383 c.i. Engine - 436 HP - Short Block Plus
GM SB Compatible 383 c.i. Engine - 436 HP - Short Block Plus

GM SB Compatible 383 c.i. Engine - 436 HP - Short Block Plus

SKU: BP38318SP

GM SB Compatible 383 c.i. Engine - 436 HP - Short Block Plus

SKU: BP38318SP

HP & Torque: 436 HP / 443 FT. LBS

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: Steel Crank - 3.750" Stroke and 5.700" Rods

Regular price $4,349.00
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Description:

  • HP & Torque: 436 HP / 443 FT LBS
  • Compression Ratio: 10.0:1
  • Hypereutectic Pistons
  • Cast Steel Crank

Block:

  • 4 Bolt main

  • 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 BluePrint Cast steel crankshaft
  • 3.75" stroke
  • Hypereutectic pistons, 12CC Dish
  • New rods with 150,000 PSI bolts
  • Hastings moly rings 
  • Melling high volume oil pump 
  • Hydraulic roller cam 
  • Heavy duty single roller timing set
  • Harmonic balance

Cam Specs w/ 1.6 Rocker Arm:

  • Cam Type: Roller
  • .544 Intake .555 Exhaust
  • 230 Intake / 236 Exhaust duration
  • @ .050, 110 ° lobe separation angle

    Ignition Timing:

    • 34 degrees total (at 3500 RPM)

    Also Includes:

    • Oil pan and timing cover 

    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.

    • Please see Recommended Add On's page for additional parts.

    • The HP and Torque numbers derived from dyno testing with a 750cfm carb, and with H8002K cylinder heads installed.

    • *A bronze distributor gear is NOT recommended on this engine

    • Not for use in pollution controlled vehicles

     

      Engine Accessory Specifications

      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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