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Blueprint Engines Small Block Chevy w/Vortec Heads & Roller Cam 383ci/ 420HP/ 450TQ

Blueprint Engines
Blueprint Engines Small Block Chevy w/Vortec Heads & Roller Cam 383ci/ 420HP/ 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 30 month/50,000 mile warranty.

Recommended Stall Converter: 2000-2400 rpm
Recommended Fuel: 91 Octane

Available as a:
  • Base engine - Basic engine with intake manifold and valve covers
  • Dress engine - Complete engine includes induction, distributor/coil, fuel pump and other accessories

  • 4-bolt main block, 1 piece rear main seal
  • 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:
  • Cast crankshaft (1 piece rear main seal)
  • Chevy heavy beam rods with 150,000 PSI bolts
  • Flat top hypereutectic pistons; 9.5 to 1 Compression
  • Hastings Moly rings
  • Balanced rotating assembly
  • Roller camshaft
  • Roller rockers
  • Melling high volume oil pump
  • Heavy duty double roller timing set

    Cylinder Heads:
  • New cast iron Vortec heads
  • 1.25 diameter valve springs
  • Hardened retainers and valve springs
  • 2.02'' swirl polished intake valves
  • 1.60'' swirl polished exhaust valves
  • Hardened push rods

    Camshaft Specs:
  • Hydraulic Roller
  • Duration @ .050'' Lift: 236 Intake / 242 Exhaust
  • Lift: .520'' Intake / .540'' Exhaust

    Other Features:
  • Performance aluminum dual plane satin intake manifold
  • New chrome valve covers
  • Brass freeze plugs

    Dress Model Adds:
  • Holley 750 cfm Manual Choke Vacuum Secondary Zinc Carburetor - 510-0-3310S
  • Distributor and coil
  • Professional Products balancer
  • Edelbrock 110GPH fuel pump
  • Edelbrock satin water pump
  • MSD plug wires
  • AC Delco spark plugs

    Horsepower: 420
    Torque: 450

    Note: 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: BP3833CT1
  • Fuel Delivery Type: Carbureted, 750cfm ** Not included**
  • Spark Plug: AC Delco 41-993
  • Spark Plug Gap: .045"
  • Harmonic Balancer: 400 ci weighted, 8" diameter
  • Flexplate/Flywheel: Late 350 Weighted
  • Stall Converter: 2000-2400 rpm
  • Intake Manifold: Dual plane, satin aluminum
  • 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

  • 2 Products

    Base Engine

    Small Block Chevy 383ci Base Vortec Cast Iron Heads w/Roller Cam
  • 420HP/ 450TQ
  • $159

    Dress Engine

    Small Block Chevy 383ci Dress Vortec Cast Iron Heads w/Roller Cam
  • 420HP/ 450TQ
  • $189

    2 Products