1-800-345-4545
FREE SHIPPING!
Orders Over $95
Same Day Shipping Before 11 PM ET
0
My Cart
$0.00
Shop By Vehicle
Shop By
Category
All Categories

Rebates
Gift Certificates
My Account
E-Mail Signup
Catalog Request
Help

Blueprint Engines MBP3830CT

Small Block Chevy 383ci Base Marine Engine 405HP/450TQ

Blueprint Engines MBP3830CT

138-MBP3830CT

made in usa
jegs shipping
FREE Shipping
Ships 01/05/17 if Ordered Today
Blueprint Engines MBP3830CT Small Block Chevy 383ci Base Marine Engine 405HP/450TQ $4,395.00
Small Block Chevy 383ci Base Marine Engine
  • 405HP/450TQ

  • Specifications:

    Flywheel Included
    No
    Wiring Harness Included
    No
    Air Cleaner Included
    No
    Assembled
    Yes
    Carburetor Included
    No
    Computer Included
    No
    Crate Engine Cylinder Head Material
    Cast iron
    Cylinder Heads Included
    Yes
    Distributor Included
    Yes
    Engine Assembly Style
    Long block
    Flexplate Included
    No
    Harmonic Balancer Included
    No
    Intake Manifold Included
    Yes
    Oil Pan Included
    Yes
    Quantity
    Sold individually
    Spark Plug Wires Included
    No
    Spark Plugs Included
    No
    Throttle Body Included
    No
    Timing Cover Included
    Yes
    Valve Covers Included
    Yes
    Water Pump Included
    No
    Engine Balance
    Internal/External
    Rear Main Seal Style
    1-piece
    Manufacturer's Part Number:
    MBP3830CT

    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
  • 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


    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

  • Items You Need