Part # 227BP4001CT1

BluePrint BP4001CT1 GM 400, Base Engine, Alum Heads, Roller Cam





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Product Summary

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

    Key Specs

    MFG. Part #BP4001CT1
    BrandBluePrint Engines
    Crate Engine TypeLong Block
    Engine Displacement400 cu. in.

    Need To Know

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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


    • HP & Torque: 460 HP / 470 FT LBS
    • Compression Ratio: 10.3:1
    • Aluminum Heads
    • Hypereutectic Pistons
    • Roller Cam
    • Cast Steel Crank
    • Part #: BP4001CT1


    • 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 cast crankshaft
    • Cast 5.7" connecting rods
    • 150,000 psi rod bolts
    • Hypereutectic 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
    • 2.02 swirl polished intake valves
    • 1.60 swirl polished exhaust valves
    • BP Aluminum Head Part# H8002K

    Cam Specs

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

    Ignition Timing

    • 10-16 degree inital 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


    • 30 month / 50,000 mile


    NEW BluePrint block manufactured and machined in the USA! Not for EGR




    MFG. Part #BP4001CT1
    BrandBluePrint Engines
    Crate Engine TypeLong Block
    Engine Displacement400 cu. in.
    Horsepower460 horsepower
    Compression Ratio10.3:1
    Torque470 ft./lbs.
    Camshaft TypeHydraulic Roller Tappet
    Cylinder Head MaterialAluminum
    Piston MaterialHypereutectic Aluminum
    Crankshaft MaterialCast Steel
    Camshaft Duration (.050 in)230° intake / 236° exhaust
    Camshaft Lift (in).544 intake / .555 exhaust
    Intake Manifold IncludedNo
    Distributor IncludedNo
    Warranty30 month / 50,000 miles
    Valve Covers IncludedYes
    Cylinder Heads IncludedYes
    Rear Main Seal Style1-piece
    Oil Pan IncludedYes
    Timing Cover IncludedYes
    Water Pump IncludedNo
    Harmonic Balancer IncludedNo
    Flexplate IncludedNo
    Flywheel IncludedNo
    Air Cleaner IncludedNo
    Spark Plugs IncludedNo
    Spark Plug Wires IncludedNo
    Camshaft IncludedYes
    BlockNew BluePrint Cast Iron Block, 4 bolt main
    NotesRecommended oil for your BluePrint Crate Engine: 10W30, Non-Synthetic, Not for EGR