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Part # 227BP4003CT1

BluePrint BP4003CT1 GM 400, Base Engine, Alum Heads- Roller Cam

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  • Has a compression ratio of 9.5:1
  • Includes a roller cam and a forged crank
  • Features aluminum heads and forged pistons

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Product Summary

400, Long Block Crate Engine Type, 470 ft./lbs. Torque

  • Has a compression ratio of 9.5:1
  • Includes a roller cam and a forged crank
  • Features aluminum heads and forged pistons
  • This engine produces 508 Horsepower and 473 ft. lb. of torque
  • Comes with a brand new BluePrint cast iron block with 4 bolt mains

Need To Know

Need help? Call 800.979.0122

Ineligible for Return

Contains items that cannot be returned

Details

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 400 - Base Engine - Aluminum Heads- Roller Cam - POWER ADDER

Overview

  • HP & Torque: 508 HP / 473 FT LBS
  • Compression Ratio: 9.5:1
  • Aluminum Heads
  • Forged Pistons
  • Roller Cam
  • Forged Crank
  • Part #: BP4003CT1

Block

  • BRAND NEW BluePrint Cast Iron Block
  • 4 Bolt Mains
  • Square and parallel decked
  • Align honed main bearing bore
  • Cylinders are sonic tested for thickness
  • Cylinders honed on computer controlled machine to within .0002 straightness and roundness
  • 1-Piece Rear Main Seal

Rotating Assembly

  • New forged crankshaft - 3.75" stroke
  • 6" forged H beam connecting rods
  • 150,000 psi ARP rod bolts
  • Forged pistons
  • Hastings moly rings
  • Rotating assembly balanced to within 2 grams
  • High volume oil pump
  • Hydraulic roller cam
  • Hydraulic link bar lifters

Cylinder Heads

  • BluePrint aluminum - 64cc chamber
  • Hardened retainers and springs
  • 2.08 swirl polished intake valves
  • 1.60 swirl polished exhaust valves
  • Head bolt studs
  • BP Aluminum Head Part# HP8103

Cam Specs

  • Cam Type: Roller
  • .555 Intake .577 Exhaust
  • 236 Intake / 248 Exhaust duration
  • @ .050 - 113° lobe separation
  • 1.6 Roller rockers

Ignition Timing

  • 10-16° inital and total timing 32-34° at 3500 RPM

Also Includes

  • Valve covers, oil pan and timing cover
  • Brass freeze plugs
  • Dyno test results shipped with engine

Warranty

  • 30 month / 50,000 mile

Notes

NEW BluePrint block manufacturedand machined in the USA!Not for EGRThis engine is designed to be capable of running power adders

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