The BluePrint Engines GM LS Compatible 376 c.i. Engine and 4L80E Automatic Transmission Package combines modern LS performance, forced induction capability, and heavy-duty automatic transmission durability into a complete turnkey drivetrain solution. Designed for high-performance street cars, Pro-Touring builds, restomods, and custom LS swaps, this Standard Edition Builder Series package delivers 700 horsepower and 640 lb-ft of torque with the reliability and drivability expected from BluePrint Engines.

At the heart of this package is a 376 c.i. LS-compatible engine featuring BluePrint LS3 aluminum cylinder heads, forged pistons, forged crankshaft, forged connecting rods, and a boosted-friendly 9.5:1 compression ratio. The engine is paired with the Holley Terminator X Max Gen IV EFI System, providing complete ECU control, wiring harness integration, touchscreen setup, and BluePrint-calibrated tuning for optimized performance.

The included performance-built 4L80E automatic transmission provides exceptional strength for high-torque LS applications with electronic control, a 3000+ stall torque converter, flexplate, and starter included. This complete drivetrain package is ideal for Camaro, Firebird, Corvette, Chevelle, Nova, truck, and custom LS swap applications where power and durability are required.

Key Features:

• Complete GM LS-compatible engine and 4L80E automatic transmission package
• 376 cubic inch displacement
• 700 horsepower
• 640 lb-ft torque
• Standard Edition Builder Series
• Holley Terminator X Max Gen IV EFI System
• BluePrint calibrated ECU and wiring harness
• LS3-style aluminum cylinder heads
• 9.5:1 compression ratio
• Forged rotating assembly:
  • Forged crankshaft
  • Forged pistons
  • Forged 6.125" connecting rods
• 3.622" stroke forged crankshaft
• Hydraulic roller camshaft:
  • .612" intake lift
  • .585" exhaust lift
  • 225° intake duration @ .050"
  • 238° exhaust duration @ .050"
  • 113° LSA
• High-strength BluePrint cast iron block
• Increased deck thickness and strength webbing
• Extended cylinder skirt
• Priority main oiling system
• Six-bolt main design
• One-piece rear main seal
• Improved water jacket design
• OEM LS3 front and rear cover compatibility
• Holley Terminator X Max Gen IV EFI:
  • Complete ECU
  • Wiring harness
  • Integrated touchscreen controller
  • Data logging capability
  • Boost/nitrous control capability
• High-flow fuel injectors and fuel rails
• Coil packs, sensors, spark plugs, and wires included
• Harmonic balancer included
• Performance-built 4L80E automatic transmission:
  • Electronic transmission controller included
  • 3000+ stall torque converter
  • Flexplate included
  • Starter included
• 4L80E Gear Ratios:
  • 1st: 2.482:1
  • 2nd: 1.482:1
  • 3rd: 1.000:1
  • 4th: 0.750:1
  • Reverse: 2.077:1
• Recommended fuel: 91+ octane

Fitment Applications:

• 1982-2002 Chevrolet Camaro LS swap builds
• 1982-2002 Pontiac Firebird LS swap builds
• Chevrolet Corvette LS conversions
• Chevrolet Chevelle restomod builds
• Chevrolet Nova LS conversions
• GM Pro-Touring vehicles
• Classic muscle car LS swaps
• Chevrolet C10 and truck LS builds
• Street performance vehicles
• Custom LS swap applications

Installation Notes:

• Verify engine bay clearance, transmission tunnel clearance, and accessory placement before installation.
• Additional swap components may be required depending on vehicle application:
  • Engine mounts
  • Transmission crossmember
  • Driveshaft modification
  • Cooling system upgrades
  • Fuel system upgrades
  • Exhaust modifications
  • Wiring integration
  • Upgraded rear differential and drivetrain components
• The Holley Terminator X EFI system includes a BluePrint-calibrated ECU. Follow BluePrint calibration recommendations rather than standard Holley EFI setup procedures.
• BluePrint recommends air intake kit BPPLS01013 to maintain proper MAF calculations and dyno calibration.
• Engine requires proper pre-lubing procedure before initial startup.