Part # 227BP3830CTC1S

BluePrint BP3830CTC1S GM 383 Dressed Engine, Vortec Heads, Flat Tappet Cam





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Product Summary

350, 383, Long Block Crate Engine Type

    Key Specs

    MFG. Part #BP3830CTC1S
    BrandBluePrint Engines
    Crate Engine TypeLong Block
    Engine Displacement383 cu. in.

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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 383 Dressed Engine - Cast Iron Vortec Heads - Flat Tappet Cam


    • HP & Torque: 405 HP / 440 FT LBS
    • Compression Ratio: 9.5:1
    • Cast Iron Heads
    • Flat Tappet Cam
    • Cast Steel Crank
    • Part #: BP3830CTC1S


    • 4 bolt main 1pc rear seal block w/Passenger side dipstick only
    • Square and parallel decked
    • 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 cast steel crankshaft
    • Hypereutetic pistons
    • Chevy heavy beam rods with 150,000 psi bolts
    • Hastings Moly rings
    • Balanced rotating assembly
    • Melling high volume oil pump
    • Flat tappet hydraulic lifter camshaft
    • Heavy duty double roller timing set

    Cylinder Heads

    • Cast iron Vortec heads
    • 1.25 diameter valve springs
    • Hardened retainers and springs
    • 2.02 swirl polished intake valves
    • 1.60 swirl polished exhaust valves
    • 1.5 long slot, stamped steel rockers
    • Hardened push rods

    Cam Specs

    • Cam Type: Flat Tappet
    • .487 Intake .508 Exhaust
    • 234 Intake / 244 Exhaust duration
    • @ .050 - 112 degree lobe separation

    Ignition Timing

    • 34 degrees at 3500 RPM

    Also Includes

    • Aluminum intake manifold
    • Distributor
    • 750cfm carburetor
    • New chrome valve covers
    • Brass freeze plugs
    • Dyno tested “ and shipped with results




    MFG. Part #BP3830CTC1S
    BrandBluePrint Engines
    Crate Engine TypeLong Block
    Engine Displacement383 cu. in.
    Horsepower405 horsepower
    Compression Ratio9.5:1
    Torque440 ft./lbs.
    Camshaft TypeHydraulic Flat Tappet
    Cylinder Head MaterialCast Iron
    Piston MaterialHypereutectic Aluminum
    Crankshaft MaterialCast Steel
    Camshaft Duration (.050 in)234° intake / 244° exhaust
    Camshaft Lift (in).487 intake / .508 exhaust
    Bore x Stroke (in)4.000" bored .040" over x 3.750"
    Intake Manifold IncludedYes
    Distributor IncludedYes
    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
    BlockHand picked, seasoned, square and parallel decked, 4 bolt main
    NotesZinc Additive Required For Flat Tappet Application, Recommended Oil For Your BluePrint Crate Engine: 10W30, Non-Synthetic. Not For EGR