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BluePrint BP4002CT1 GM 400, Base Engine, Alum Heads, Roller Cam
BluePrint BP4002CT1 GM 400, Base Engine, Alum Heads, Roller Cam

BluePrint BP4002CT1 GM 400, Base Engine, Alum Heads, Roller Cam

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BluePrint BP4002CT1 GM 400, Base Engine, Alum Heads, Roller Cam
BluePrint BP4002CT1 GM 400, Base Engine, Alum Heads, Roller Cam
BluePrint BP4002CT1 GM 400, Base Engine, Alum Heads, Roller Cam
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BluePrint BP4002CT1 GM 400, Base Engine, Alum Heads, Roller Cam
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Part # 227BP4002CT1
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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

Overview

  • HP & Torque: 508 HP / 473 FT LBS
  • Compression Ratio: 10.3:1
  • Aluminum Heads
  • Forged Pistons
  • Roller Cam
  • Forged Crank
  • Part #: BP4002CT1

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

Rotating Assembly

  • New forged crankshaft - 3.750" stroke & 5.7" rods
  • GM connecting rods
  • 150,000 psi rod bolts
  • Forged pistons
  • Hastings moly rings
  • Rotating assembly balanced to within 2 grams
  • High volume oil pump
  • Hydraulic roller cam
  • Roller lifters

Cylinder Heads

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

Cam Specs

  • Cam Type: Roller
  • .555 Intake .576 Exhaust
  • 236 Intake / 242 Exhaust duration
  • @ .050 - 110° lobe separation

Ignition Timing

  • 10-16 degree initial and total timing 32-34 degree 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 manufactured and machined in the USA! Not for EGR

Warranties

Warranty Information (PDF)

Important Messages:

  • This product is discontinued.
  • This item ships directly from the manufacturer. It may take an additional business days for BluePrint Engines to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
  • This item 227BP4002CT1 is made to order. It will be shipped from our warehouse when it is produced.
Some parts are not legal for use in California or other states with similar laws/regulations

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