BluePrint Engines Builder Series Supercharged 427CI ProSeries Stroker Crate Engine and 4L75E Super Duty Transmission | GM LS3 Style | Dressed Longblock with Fuel Injection | Aluminum Heads | Roller Cam | Dressed Longblock with Polished Pulley Kit

$30,149.00

This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!

COMING SOON!!!!!
Part #: BLS427SCTK4L7 (Pictured with custom paint. Custom Paint Not included) 

SUPERCHARGED LS3 427 Stroker Engine with 4L75E Heavy Duty Transmisison

Description

Dyno Tested Warranty
  • HP & Torque: 800 HP / 780 FT LBS
    Compression Ratio: 11:1
    Aluminum Heads
    Hydraulic Roller Cam
    Forged Crank
    Forged Pistons

Block:

  • OEM Block Machined in the USA!
    6-Bolt Main
    4.060" Bored to 4.069
    1-Piece Rear Main Seal

Rotating Assembly:

  • New Forged Crankshaft
    4.125" stroke
    Forged 6.125" connecting Rods
    Forged Pistons
    Internal

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads -PS8015
    72cc chamber
    2.165" intake/1.600" exhaust valves
    259cc intake/102cc exhaust runners

Cam Specs:

  • Roller
    .624 intake .624 exhaust lift
    239 intake 255 exhaust duration
    @ .050, 114 degree lobe sep.

Ignition Timing:

  • ECM supplied with calibration
    Not capable of transmission control
    Transmission controller required

Also Includes:

  • 2.3L Magnuson TVS Super Charger
  • Upgraded Mototron S107 Injectors
    Electronic Fuel Injection
    Coil Packs
    Valve covers
    Oil pan
    Water Pump
    Belt tensioner
    arm
    All sensors required for engine to run
    Wiring harness
    Gas pedal
    90mm drive by wire throttle body
    Timing cover
    Spark plugs
    Spark plug wires
    Harmonic balancer
    Dyno test results shipped with engine!

Complete Polished Front Accessory Drive 

Alternator, A/C, P/S, All belts and pulleys. 

ASSEMBLED W/ COMPLETE HD 4L75E TRANS PACKAGE:


Includes the following: 

4L70E Complete Package

Electronic transmission controller included

3200+ Stall Torque converter

Flexplate
Starter


Warranty:

  • 30 month / 50,000 mile

Notes:

  • Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars
    Not for use in pollution controlled vehicles or in dry sump applications.

Engine ECU comes with calibration that is optimal for our engine, however please note that vehicle parameters such as gearing, tire size, vehicle weight, air intake, headers, etc. may necessitate additional tuning once installed into your specific vehicle. The included ECU is unlocked for further refinement at your local dyno shop if required. Transmission TCU is included,

BluePrint Engines Recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU / tuning.

  • Engine/Trans Package Ships assembled
  •  

    Yellow Exclamation Triangle WARNING: Cancer and Reproductive Harm-
    www.P65Warnings.ca.gov

    This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!

    COMING SOON!!!!!
    Part #: BLS427SCTK4L7 (Pictured with custom paint. Custom Paint Not included) 

    SUPERCHARGED LS3 427 Stroker Engine with 4L75E Heavy Duty Transmisison

    Description

    Dyno Tested Warranty
    • HP & Torque: 800 HP / 780 FT LBS
      Compression Ratio: 11:1
      Aluminum Heads
      Hydraulic Roller Cam
      Forged Crank
      Forged Pistons

    Block:

    • OEM Block Machined in the USA!
      6-Bolt Main
      4.060" Bored to 4.069
      1-Piece Rear Main Seal

    Rotating Assembly:

    • New Forged Crankshaft
      4.125" stroke
      Forged 6.125" connecting Rods
      Forged Pistons
      Internal

    Cylinder Heads:

    • BluePrint Aluminum Cylinder Heads -PS8015
      72cc chamber
      2.165" intake/1.600" exhaust valves
      259cc intake/102cc exhaust runners

    Cam Specs:

    • Roller
      .624 intake .624 exhaust lift
      239 intake 255 exhaust duration
      @ .050, 114 degree lobe sep.

    Ignition Timing:

    • ECM supplied with calibration
      Not capable of transmission control
      Transmission controller required

    Also Includes:

    • 2.3L Magnuson TVS Super Charger
    • Upgraded Mototron S107 Injectors
      Electronic Fuel Injection
      Coil Packs
      Valve covers
      Oil pan
      Water Pump
      Belt tensioner
      arm
      All sensors required for engine to run
      Wiring harness
      Gas pedal
      90mm drive by wire throttle body
      Timing cover
      Spark plugs
      Spark plug wires
      Harmonic balancer
      Dyno test results shipped with engine!

    Complete Polished Front Accessory Drive 

    Alternator, A/C, P/S, All belts and pulleys. 

    ASSEMBLED W/ COMPLETE HD 4L75E TRANS PACKAGE:


    Includes the following: 

    4L70E Complete Package

    Electronic transmission controller included

    3200+ Stall Torque converter

    Flexplate
    Starter


    Warranty:

    • 30 month / 50,000 mile

    Notes:

    • Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars
      Not for use in pollution controlled vehicles or in dry sump applications.

    Engine ECU comes with calibration that is optimal for our engine, however please note that vehicle parameters such as gearing, tire size, vehicle weight, air intake, headers, etc. may necessitate additional tuning once installed into your specific vehicle. The included ECU is unlocked for further refinement at your local dyno shop if required. Transmission TCU is included,

    BluePrint Engines Recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU / tuning.

    • Engine/Trans Package Ships assembled
    •  

      Yellow Exclamation Triangle WARNING: Cancer and Reproductive Harm-
      www.P65Warnings.ca.gov

      Customer Reviews

      Based on 1 review Write a review

      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: BLS427KT56

      Fuel Delivery Type: Electronic Fuel Injected

      Spark Plug: AC Delco 41-985

      Spark Plug Gap: .040"

      Harmonic Balancer: Non-Weighted

      Flexplate/Flywheel: Non-Weighted

      Stall Converter: 2200+

      Intake Manifold: LS3 Car

      Fuel Recommendation: 91- 93 Octane

      Timing (Initial/Total Advance): Ignition timing and spark advance are controlled by Powertrain Control Module

      Firing Order: 1,8,7,2,6,5,4,3

      Notes: Recommended break in oil for your BluePrint Crate Engine: BPP710, Not for EGR Universal fit oil pan, drive by wire throttle body and matching throttle pedal. Also includes sensors, coil packs and wiring harness, and a new ECM with our custom tune installe

       

      Click here to download a copy of the Installation Guide that came with your BluePrint engine.

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