What This Powertrain Is
This LS3 6.2L V8 paired with the 6L80 automatic transmission is a complete GM performance package ready for street, track, or swap applications. It combines factory-proven LS3 power with the durable 6L80 6-speed automatic for smooth shifting, reliability, and broad compatibility.
Engine Overview
The LS3 is a Gen IV small-block V8 that is lightweight, compact, and high-performing. Known for its balance of horsepower and torque, it’s a popular choice for performance builds, muscle cars, and Corvette replacements.
Key engine features include:
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6.2 liter displacement (376 cubic inches)
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Aluminum block and cylinder heads
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90-degree naturally aspirated V8 layout
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High-flow intake and heads for strong performance
Performance and Power
The LS3 delivers aggressive yet smooth power, making it ideal for street or track use.
Typical output includes:
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430–436 horsepower
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424–428 lb-ft of torque
6L80 Automatic Transmission
The 6L80 is a 6-speed automatic built to handle high torque and provide smooth, consistent shifts. It pairs perfectly with the LS3 for both daily driving and high-performance builds.
Transmission highlights include:
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Durable 6-speed design
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Handles LS3 torque reliably
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Smooth shifting for street and track use
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Compatible with many GM drivetrains
Ideal Applications
This LS3 + 6L80 combo is perfect for:
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Corvette and Camaro replacements
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Muscle car engine swaps
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Restomods and performance builds
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Track and street vehicles
Why Choose This LS3/6L80 Package
This LS3 with 6L80 transmission offers a complete, factory-engineered powertrain with proven reliability, strong performance, and easy installation. It’s a ready-to-run solution for builders and enthusiasts looking for dependable GM V8 performance.
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