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Blueprint Engines BP4003CT1

Blueprint Engines Small Block Chevy 400ci Base Engine 501HP/470TQ 1-Piece Rear Main Seal

138-BP4003CT1

made in usa
Ships directly from the manufacturer

$6,999.00
Truck Freight:$159.00
Blueprint Engines Small Block Chevy 400ci Base Engine 501HP/470TQ 1-Piece Rear Main Seal $6,999.00
Out of stock
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Small Block Chevy 400ci Base Engine
  • 501HP/470TQ
  • 1-Piece Rear Main Seal
  • Blueprint Engines BP4003CT1 Details

    Engine Break-In Procedure

    Use or break-in oil or conventional (non-synthetic) multi-viscosity oil with zinc additive for the first 500 miles of operation. Avoid hard acceleration for sustained periods. Periodically change the engine speed while driving to help seat the rings. While the engine is running, be sure to check oil pressure and coolant temperature, and check for fluid leaks, such as oil, transmission fluid, fuel, and coolant/antifreeze. Also listen for any unusual sounds. Should you hear an unusual sound, shut the engine off, check for the source, and correct it.

    Engines with flat tappet cams only - Start the engine and bring it to 2,000 RPM. Get the engine running smoothly. Then vary the engine speed from 1,800-2,200 RPM in a slow acceleration/deceleration cycle for 30 minutes. This is necessary to provide adequate oil splash and lifter rotation to properly mate each lifter to its lobe. 

    At 500 Miles change the engine oil and filter using conventional (non-synthetic) oil. After 6,000 miles, synthetic oils can be used in your engine.  For flat tappet cam engines, continued use of oil with zinc or a zinc additive for the life of your engine is recommended. 

    Specifications:

    Manufacturer's Part Number:
    BP4003CT1

    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: 2400+ rpm
    Recommended Fuel: 91 Octane

    Block:
  • New Blueprint Engine Block
  • 4.125'' Bore
  • Nodular Iron Splayed 4-Bolt Main Caps
  • 1-Piece Rear Main Seal

    Rotating Assembly:
  • 3.75'' Stroke Forged Crankshaft
  • Forged Pistons 9.5:1 Compression Ratio
  • Internal Front / External Rear Engine Balance
  • 8'' Non-Weighted Harmonic Balancer Recommended (Not Included)
  • Late 350 Weighted Flexplate/Flywheel Recommended (Not Included)

    Cylinder Heads:
  • Blueprint Aluminum Cylinder Heads p/n 138-HP8103
  • 220cc Intake Ports
  • 67cc Exhaust Ports
  • 64cc Combustion Chambers
  • 2.08'' Intake Valves
  • 1.60'' Exhaust Valves
  • 5/16'' Pushrod Guideplates
  • 7/16'' Rocker Studs
  • Straight Spark Plug Configuration

    Camshaft Specs:
  • Hydraulic Roller
  • Duration @ .050'' Lift: 236° Intake / 248° Exhaust
  • Lift: .555'' Intake / .577'' Exhaust
  • Lobe Separation: 113°

    Other Features:
  • Chrome Valve Covers
  • Chrome Timing Cover
  • Oil Pan
  • Brass Freeze Plugs

  • Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.