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Blueprint Engines MBP3830CTC - Blueprint Engines Small Block Chevy Marine 383ci / 405HP / 450TQ

Blueprint Engines MBP3830CTC - Blueprint Engines Small Block Chevy Marine 383ci / 405HP / 450TQ
Blueprint Engines MBP3830CTC - Blueprint Engines Small Block Chevy Marine 383ci / 405HP / 450TQ
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JEGS Part Number: 138-MBP3830CTC

Small Block Chevy 383ci Dress Marine Engine
  • 405HP/450TQ
      Order Today Ships

    Blueprint Engines Small Block Chevy Marine 383ci / 405HP / 450TQ

    Blueprint Engines are a great choice for drivable and reliable high performance engines. All rotating assemblies are balanced within 2 grams on a computerized balancer. Blueprint Engines are dyno tested and include dyno sheets. Best of all they feature a 1 year/Unlimited hours warranty (pleasure craft only).

    Available as a
  • Base Engine Assembly - Basic engine with intake manifold and valve covers
  • Dress Engine Assembly - Complete engine including induction, ignition, fuel pump and other accessories

  • 4-bolt main block
  • Passenger side dipstick
  • Square and parallel decked
  • Align honed main bearing bore
  • Cylinders are sonic tested for thickness
  • Cylinders honed on a computer controlled machine to within .0002'' straightness and roundness

    Rotating Assembly:
  • 3.75'' stroke cast crankshaft (1 piece rear main seal)
  • 5.7'' heavy beam rods with 150,000psi bolts
  • Keith Black hypereutectic pistons
  • Hastings Moly rings
  • Clevite bearings
  • Externally balanced rotating assembly
  • Melling high volume oil pump
  • Heavy duty double roller timing set

    Cylinder Heads:
  • GM Vortec cast iron heads
  • Hardened retainers and 1.25'' diameter valve springs
  • 2.02'' swirl polished intake valves
  • 1.60'' swirl polished exhaust valves
  • Hardened pushrods
  • Long slot rockers with positive-locking adjuster nuts

    Camshaft Specs:
  • Comp Cams Hydraulic Roller
  • Duration @ .050'' Lift: 224 Intake / 230 Exhaust
  • Lift: .503'' Intake / .510'' Exhaust
  • Lobe Separation: 112°

    Other Features:
  • Brezenski cast iron marine intake
  • Signature Series polished aluminum valve covers
  • Chrome timing cover
  • New 6-quart rubber coated oil pan
  • Brass freeze plugs
  • 9.5:1 compression

    Dress Model Adds:
  • Edelbrock 750 cfm Electric Choke Marine Carburetor - 350-1410
  • Stainless steel fuel line and filter
  • Cast iron circulating pump
  • Edelbrock fuel pump
  • Professional Products Balancer
  • Distributor
  • Coil
  • MSD spark plug wires

    Horsepower: 405
    Torque: 450

    Note: All Blueprint Chevy 383 engines include a balance plate and require the use of a neutral balance flywheel/flexplate.

    Your BluePrint engine was dyno tested with the parts and specifications listed below. If you prefer to install a different part, your engine may not produce the horsepower recorded on your dyno sheet.

  • Part Number: MBP3830CT
  • Fuel Delivery Type: Carbureted
  • Spark Plug: AC 41-993
  • Spark Plug Gap: .045"
  • Harmonic Balancer: 400ci Weighted
  • Flexplate/Flywheel: Late 350 Weighted
  • Stall Converter: N/A
  • Intake Manifold: Marine, cast iron
  • Fuel Recommendation: 91 Octane
  • Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34°
  • Firing Order: 1,8,4,3,6,5,7,2

  • Blueprint Engines MBP3830CTC

    Flywheel Included
    Wiring Harness Included
    Air Cleaner Included
    Carburetor Included
    Computer Included
    Crate Engine Cylinder Head Material
    Cast iron
    Cylinder Heads Included
    Distributor Included
    Engine Assembly Style
    Long block
    Flexplate Included
    Harmonic Balancer Included
    Intake Manifold Included
    Oil Pan Included
    Sold individually
    Spark Plug Wires Included
    Spark Plugs Included
    Throttle Body Included
    Timing Cover Included
    Valve Covers Included
    Water Pump Included
    Engine Balance
    Rear Main Seal Style
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