BP3961CTF Small Block Chevy 396 ci Stroker Dress Engine
Product Discontinued
BLUEPRINT ENGINESPART NUMBER: 138-BP3961CTF

BP3961CTF Small Block Chevy 396 ci Stroker Dress Engine

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Fuel Injected Engines
Small Block Chevy 396ci Stroker Dress Engine491 HP/509 TQ
  • 1-Piece Rear Main Seal
  • Holley Sniper EFI System

    Features:

    • Fuel injection throttle body, wiring harness, and computer are included
    • The computer is preloaded with engine specifications and then dyno-tuned, ready to install.
    • Balance: Internal Front/ External Rear
    • Harmonic Balancer: Non-weighted, 8 in. diameter
    • Flexplate/Flywheel: Late 350 weighted

    Note: A high-pressure fuel system is required and sold separately. 

    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. 

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

  • Blueprint Small Block Chevy 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.

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    Recommended Stall Converter: 2000+ rpm
    Recommended Fuel: 91 Octane

    Block:

    • 4-bolt main block
    • 1-piece rear main seal
    • 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:
    • Forged Steel 3.875" stroke crankshaft
    • Heavy Beam 6" Rods
    • Forged pistons, 10.4 to 1 compression
    • Hastings Moly rings
    • Clevite bearings
    • Externally balanced rotating assembly
    • Melling high volume oil pump
    • Heavy duty double roller timing set

      Cylinder Heads:
    • Blueprint Performance Aluminum Heads w/ 64cc chamber
    • Hardened retainers and 1.25'' diameter valve springs
    • 2.08'' swirl polished intake valves
    • 1.60'' swirl polished exhaust valves
    • Hardened pushrods

      Camshaft Specs:
    • Hydraulic Roller Cam
    • Duration @ .050'' Lift: 230 Intake / 236 Exhaust
    • Lift: .544'' Intake / .555'' Exhaust

      Other Features:
    • Chrome valve covers
    • Chrome timing cover
    • New 5-quart oil pan
    • Brass freeze plugs
    • 10.4:1 compression

      Dress Model Adds:
    • Dual Plane, Satin Aluminum Intake Manifold
    • Holley 750 cfm Manual Choke Vacuum Secondary Zinc Carburetor - 510-0-3310S or Holley Sniper EFI System
    • HEI Distributor & Coil



      Note: This engine will not work for applications requiring EGR. Does not include 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: BP3961CT
    • Fuel Delivery Type: Carbureted, 750cfm
    • Spark Plug: AC Delco 41-629
    • Spark Plug Gap: .045"
    • Harmonic Balancer: Non-Weighted - 8" diameter
    • Flexplate/Flywheel: Late 350 Weighted
    • Intake Manifold: Dual plane
    • Fuel Recommendation: 91 Octane
    • Timing (Initial/Total Advance): Total timing 32°
    • Firing Order: 1-8-4-3-6-5-7-2

    JEGS Easy Kits are designed by JEGS high-performance racing professionals to help you get all the performance parts you need for your race car, hot rod or truck.

    Part TypeEngine
    Product LineBlueprint Engines GM Chevy Small Block 396 ci. Engines
    BrandBLUEPRINT ENGINES
    Package Height28.0
    Package Width30.0
    Package Length38.0
    Weight525.0 PG
    Part CategoryPerformance Parts
    Wiring Harness IncludedYes
    Spark Plug Wires IncludedNo
    Cylinder Head MaterialAluminum
    Air Cleaner IncludedNo
    Carburetor IncludedNo
    Carb Eo NumberN/A
    Water Pump IncludedNo
    EmissionNot Legal
    Flexplate IncludedNo
    AssembledYes
    Engine Assembly StyleLong block
    Intake Manifold IncludedYes
    Engine Make/SizeChevy Small Block
    Flywheel IncludedNo
    Engine TypeCrate Engine
    Rear Main Seal Style1-piece
    Valve Covers IncludedYes
    Horsepower485
    Distributor IncludedYes
    Camshaft StyleHydraulic roller tappet
    Engine Block MaterialCast iron
    Cylinder Heads IncludedYes
    Computer IncludedYes
    Throttle Body IncludedYes
    Harmonic Balancer IncludedNo
    QuantitySold individually
    Fuel DeliveryOne Carb
    Rpm Power Range1800-5800
    Engine BalanceInternal Balance
    Compression Ratio10.4:1
    Oil Pan IncludedYes
    Part FitmentSemi Universal
    Engine Displacement396 ci.
    Timing Cover IncludedYes
    Spark Plugs IncludedNo
    Vendor Part NumberBP3961CTF
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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