BluePrint Engines 376 c.i. GM LS Compatible Builder Series - Standard Edition - Fuel Injected - 4L65/70E Automatic Transmission - Natural Pulley Kit. (PART #BPE-BLS3763K4L7)

BluePrint Engines brings lightweight LS performance to a ready-to-run package with this 376 c.i. Builder Series engine paired to a 4L65/70E automatic transmission. Premium internals, meticulous machining, and BluePrint’s proven durability ensure the engine can take the heat, while the natural pulley kit adds a clean, functional, performance-focused look under the hood. For builders wanting a modern, responsive LS drivetrain that’s turnkey and versatile, this 376/4L65-70E package hits the sweet spot.

Blocks:

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

Cylinder Heads:

• BluePrint Aluminum Cylinder Heads - PS8015
• 72cc Chamber
• 2.165" Intake -1.600" Exhaust Valves
• 259cc Intake -102cc Exhaust Runners

Rotating Assembly:

• 6.125" Connecting Rods w/ 150,000 PSI Bolts
• Internally Balanced Front and Rear

Included items:

• BluePrint Engines Fuel Injectors and Rail
• Low Profile Swap Oil Pan - BPP81073
• DBW Throttle Body - BPP12191019
• Throttle Pedal, and Sensors
• Loaded Intake Manifold
• Spark Plugs and Wires
• Harmonic Balancer
• Coil Packs
• Natural Front Accessory Drive
  • LT1 Style 150-amp Alternator
  • LT1 Style Water Pump
  • Type II Power Steering Pump w/ Reservoir
  • Compact Style Air Conditioning Compressor

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

Assembled with Complete 4l65/70e 4 Speed Automatic Transmission Package:

• 4L65/70E Complete Package
  • (1996-2008 13-Pin Harness)
• Electronic Transmission Controller Included
• 2200-2400 Stall Torque Converter
• Flex Plate
• Starter
  • First Gear Ratio: 3.059:1
  • Second Gear Ratio: 1.625:1
  • Third Gear Ratio: 1.000:1
  • Fourth Gear Ratio: 0.696:1

Notes:

• Please note, It is not necessary to run the Holley setup wizard, as this will erase the existing calibration loaded by BluePrint Engines. The ecu is fully unlocked and tunable for further adjustments once installed in customer vehicle.
• BluePrint Engines Recommends Air Intake Kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the above ECU / tuning.
• Engine/Trans Package Ships assembled.