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Item # 65982 BRAND: BluePrint Engines

BluePrint Engines GM 396 ci. 485 HP Stroker Base Fully Dressed F.I. Long Block Crate Engine BP3961CT

396CI Stroker Crate Engine | Small Block GM Style | Base Dressed Longblock with Fuel Injection | Aluminum Heads | Roller Cam
396CI Stroker Crate Engine | Small Block GM Style | Base Dressed Longblock with Fuel Injection | Aluminum Heads | Roller Cam
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396CI Stroker Crate Engine | Small Block GM Style | Base Dressed Longblock with Fuel Injection | Aluminum Heads | Roller Cam

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We stand behind our solutions and customers.

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BluePrint Engines GM 396 ci. 485 HP Stroker Base Fully Dressed F.I. Long Block Crate Engine BP3961CT
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Product Overview:

Description

DESCRIPTION

Dyno Tested Warranty

  • HP & Torque: 491 HP / 509 FT LBS
    Compression Ratio: 10.4:1
    Aluminum Heads
    Hydraulic Roller Cam
    Forged Crank
    Forged Pistons

BLOCK:

  • NEW BluePrint Cast Iron Block
    Manufactured and Machined in the USA!
    Align honed main bearing bore
    Cylinders honed on computer-controlled machine to within .0002 straightness and roundness
    Cylinders are sonic tested for thickness
    4-Bolt Main
    4.000" Bore
    1-Piece Rear Main Seal
    Mech fuel pump provision: Yes
    Passenger Side Dipstick
  • Drilled and tapped for clutch linkage

    ROTATING ASSEMBLY:

    • New BluePrint Forged Crankshaft
      3.875 " Stroke
      Forged I-beam 6.000" connecting rods
      Forged Pistons
      Internal Front/ External Rear

    CYLINDER HEADS:

    • BluePrint Aluminum Cylinder Heads - HP8103
      64cc chamber
      2.08" intake/1.60" exhaust valves
      220cc intake/67cc exhaust runners

    CAM SPECS:

    • Cam Type: Roller
      .544 Intake / .555 Exhaust
      230 Intake / 236 Exhaust duration
      @ .050, 110° lobe separation angle

    IGNITION TIMING:

    • 34 degrees total at 3500 RPM

    ALSO INCLUDES:

    • Aluminum intake manifold
      Distributor
      EFI system
      Valve covers, oil pan and timing cover
      Dyno tested and shipped with results

    WARRANTY:

    • 30 month / 50,000 mile

    NOTES:

    • Not for use in pollution controlled vehicles.

      Engine package does not include fuel pump.
      Engine is configured to run in fuel only mode.

    • The Aftermarket intake manifold installed on this engine may not be compatible with OEM accessory brackets that use intake mounted bosses.
    • This engine features a true 4-inch bore, which mathematically yields 389 CID with a 3.875-inch stroke

    Warranty

    The satisfaction of our customers is our highest priority at BluePrint Engines. We use quality components to balance your engine's rotating assembly within two grams of spec. We dyno test your crate engine and certify that it's ready to deliver horsep

    Specifications

    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: BP3961CTF

    Fuel Delivery Type: Fuel Injected

    Spark Plug:  BPP7938 NGK 7938 BKR5E

    Spark Plug Gap: .035"

    Harmonic Balancer: BPP350 - Non 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

    Notes:  Engine is not supplied with fuel pump kit

    Recommended Break in Oil : BPP710

    Recommended Service Oil : BPP10W30

    Recommended Oil Filter ; BPP51061

    Total Oil capacity with production oil pan, and Correct BPP51061 Filter : 5 Quarts

    In the Box

    Guides & Accessories

    Instructions

    Click here for BP_Standard Installation Guide

    Reviews

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    Questions & Answers

    What type of distributor is included and is it compatible with the Holley sniper EFI? I have been told by a Holley representative that HEI was not compatible, thanks 

    Asked by: Rmc5484
    Hyper Spark distributors for all EFI applications.
    Answered by: GeneB
    Date published: 2023-03-06
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    BluePrint Engines GM 396 ci. 485 HP Stroker Base Fully Dressed F.I. Long Block Crate Engine BP3961CT
    $7,419.00
    In Stock