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GM LS Compatible 427 c.i. Pro-Series Engine and T56 Manual Transmission - 830 Horsepower - Standard Edition Builder Series - Black Pulley Kit - Holley Terminator X EFI System

Original price $34,349.00 - Original price $34,349.00
Original price
$34,349.00
$34,349.00 - $34,349.00
Current price $34,349.00

Overview:

BluePrint Engines delivers a hard-hitting LS powerhouse with this 830-horsepower 427 Builder Series package, paired perfectly with the proven T56 manual for a turnkey, street-and-strip-ready drivetrain. Holley’s Terminator X EFI system keeps the power crisp and responsive, offering clean starts, smooth tuning, and rock-solid control at any rpm. Built with premium components, tight machining tolerances, and pro-series durability, this LS427 is engineered to take the abuse while delivering relentless modern muscle. The Black Pulley Kit adds a stealthy, performance-driven finish, making this 427/T56 combo as sharp under the hood as it is on the pavement.

Description:  

  • Horsepower & Torque: 830 Horsepower / 800 ft. lbs. Torque
  • Compression Ratio: 9.5:1
  • BluePrint Engines Aluminum Heads
  • BluePrint Engines Hydraulic Roller Cam
  • BluePrint Engines Forged Crank
  • BluePrint Engines Forged Pistons

Block:

  • BluePrint Engines High Strength Cast Iron Block
  • Increased Deck Thickness and Strength Webbing
  • Extended Cylinder Skirt
  • Priority Main Oiling
  • 6-Bolt Main
  • 1-Piece Rear Main Seal
  • Improved Water Jacket Design
  • Utilizes OEM LS3 Front and Rear Covers

Rotating Assembly:

  • New Forged Crankshaft
  • 4.125" Stroke
  • Forged 6.125" Connecting Rods
  • Forged Pistons
  • Front and Rear Internally Balanced

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads - PS8015
  • 70cc Chamber
  • 2.165" Intake / 1.590" Exhaust Valves
  • 259cc Intake / 102cc Exhaust Runners

Cam Specs:

  • Hydraulic Roller
  • .624 Intake / .624 Exhaust Lift
  • 239 Intake / 255 Exhaust Duration
  • @.050-114 Degree Lobe Separation

Ignition Timing:

  • ECM Supplied with Calibration

Holley Terminator X Max Specific Features and Benefits:

  • Real Time Fuel Map Learning Simplifies Tuning by Dynamically Adjusting the Base Fuel Rate
  • On Board Bosch LSU 4.9 Wideband Control, Enabling Accurate AFR Readings and Closed Loop Tuning
  • Eight High Impedance Injector Drivers, Ideal for Stock LS Injectors and Holley EFI Injectors
  • Integrated 1-Bar MAP Sensor for Naturally Aspirated or Nitrous Setups, with Harness Support for External Higher Bar Sensors if needed
  • 4 Configurable Inputs (12V, Ground, 5V, Frequency) and 2 Outputs (Ground, PWM) - Ideal for Electric Fans, Boost Control Solenoids, Nitrous Control and more
  • Free PC Tuning Software via USB/CAN Interface for Full Laptop Control and Advance Setup
  • Integrated 3.5" Touchscreen Handheld with Setup Wizard, Internal Data Logging, and Real Time Gauge Displays
  • Terminator X Max ECU will Include a Base Timing Map Pre-Configured for this engine.

Also Includes:

  • 2.3L Magnuson TVS Super Charger
  • Upgraded Motor tron S107 Injectors
  • Electronic Fuel Injection
  • Coil Packs
  • Valve Covers
  • Oil Pan
  • Drive by Wire Throttle Body
  • Timing Cover
  • Spark Plugs and Wires
  • Harmonic Balancer
  • Black Front Accessory Drive
      • LT1 Style 150-amp Alternator
      • LT1 Style Water Pump
      • Type II Power Steering Pump
      • Compact Style A/C Compressor

Assembled with Complete T56 Six Speed Transmission Package:

      Includes the following: 

  • McLeod Super Steel Pro Dual Disk Clutch
  • Steel Bell Housing
  • Billet Flywheel
  • Engine Guard
  • Starter
    • First Gear Ration: 2.66:1
    • Second Gear Ratio: 1.78:1
    • Third Gear Ration: 1.30:1
    • Fourth Gear Ration: 1.00:1
    • Fifth Gear Ration: 0.80:1
    • Sixth Gear Ration: 0.63:1

Notes:

  • This Holley EFI Equipped engine has a fully calibrated ECU by BluePrint Engines. Please DO NOT follow the Holley EFI manual for the calibration of the ECU.
  • 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.
  • The front accessory drive on this engine fits many vehicles, however it is the customer responsibility to accurately measure and confirm fitment.  Note this is a low-profile design, but things such as power steering hoses, alternator wiring, and additional fittings/fabrication may be required on some vehicles.
  • 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