Description
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. With 530 horsepower on tap, this combo delivers sharp throttle response, smooth drivability, and the rock-solid reliability LS fans expect, thanks to the Holley Terminator X EFI system handling fuel and spark with precision. Premium internals, meticulous machining, and BluePrint’s proven durability ensure the engine can take the heat, while the black 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.
Description:
- Horsepower & Torque: 530 Horsepower / 495 ft. lbs. Torque
- Compression Ratio: 10.7:1
- BluePrint Engines Aluminum Heads
- BluePrint Engines Hydraulic Roller Cam
- BluePrint Engines Hypereutectic Pistons
- Nodular Iron Crankshaft
Block:
- BluePrint Engines High Strength Cast Iron (LSX Style) 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:
- Nodular Iron Crankshaft
- 3.622″ Stroke
- 6.098″ Connecting Rods w/ 150,000 PSI Bolts
- Hypereutectic Pistons
- Internally Balanced Front and Rear
Cylinder Heads:
- BluePrint Aluminum Cylinder Heads – PS8015
- 72cc Chamber
- 2.165″ Intake – 1.600″ Exhaust Valves
- 259cc Intake – 102cc Exhaust Runners
Cam Specs:
- Hydraulic Roller Cam
- .612 Intake – .585 Exhaust Lift
- 225 Intake – 238 Exhaust Duration
- @.050-113 Degree Lobe Separation, 110 ICL
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:
- 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
- Black Front Accessory Drive
- LT1 Style 150-amp Alternator
- LT1 Style Water Pump
- Type II Power Steering Pump w/ Reservoir
- Compact Style Air Conditioning Compressor
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
