Blueprint Engines SB-Chevy Marine 383ci/ 405HP/ 450TQ


Blueprint Engines
Blueprint Engines SB-Chevy Marine 383ci/ 405HP/ 450TQ

Product images may differ from actual product appearance.

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

    Block:

  • 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:

  • SCAT 3.75'' stroke cast crankshaft (1 piece rear main seal)
  • Chevy 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
  • Professional Products Balancer
  • 9.5:1 compression

    Dress Model Adds:

  • Edelbrock 750cfm Carburetor
  • Edelbrock stainless steel fuel line and filter
  • Cast iron circulating pump
  • Edelbrock fuel pump
  • MSD distributor
  • MSD 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.



    		•
    Base Engine

    		138-MBP3830CT
    		SB-Chevy 383ci Base Marine Engine
  • 405HP/450TQ
    View this item
    $159.00
    Installation Instructions for Blueprint Engines Dyno Chart for Blueprint Engines
    		• $4,399.99
    Ships
    02/23/12
    Dress Engine

    		138-MBP3830CTC
    		SB-Chevy 383ci Dress Marine Engine
  • 405HP/450TQ
    View this item
    $189.00
    Installation Instructions for Blueprint Engines Dyno Chart for Blueprint Engines
    		• $5,799.99
    Ships
    02/23/12