C8 Corvette LT2 6.2 Flex Fuel Tuning Package

Compatible with 2020–2026 Chevrolet Corvette Stingray & 2024–2026 E-Ray (LT2 6.2L)

Take the guesswork out of upgrading your LT2-powered C8 Corvette with the LT2 Flex Fuel Tuning Package. This all-in-one package includes the essential hardware and custom calibration needed to unlock the full potential of your Corvette while allowing seamless operation on premium pump gas, E85, or any blend in between.

Professionally calibrated using HP Tuners software, each tune is customized to your vehicle and modifications, optimizing ignition timing, fuel delivery, throttle response, torque management, and overall drivability. Whether your Corvette is equipped with bolt-on performance upgrades or a more advanced setup, this package provides a reliable and flexible tuning solution.

At the heart of this package is the DSX Plug & Play Flex Fuel Kit, which utilizes a genuine GM ethanol content sensor to automatically adjust engine calibration based on the fuel in your tank—eliminating the need to switch tunes when changing between gasoline and E85.

Features

• Complete Flex Fuel tuning package for LT2-powered C8 Corvette models
• Custom calibration developed using HP Tuners software
• Automatically adjusts for gasoline, E85, and ethanol blends
• Optimized for bolt-on modifications and advanced performance upgrades
• Improved horsepower and torque
• Enhanced throttle response and drivability
• Optimized ignition timing and fuel mapping
• Optional AFM/DOD (4-cylinder mode) adjustments
• Optional burble and crackle calibration
• Remote tuning support with data log revisions

Benefits

• Seamlessly transition between pump gas and E85
• Maximizes performance across varying ethanol blends
• Improved drivability and throttle response
• Calibration tailored specifically to your vehicle
• Complete package with tuning hardware and Flex Fuel components
• Unlimited tuning revisions during the remote tuning process

Package Includes

• Custom LT2 Flex Fuel Tune
• HP Tuners E99 ECM Unlock Service
• HP Tuners Universal Credits
• HP Tuners RTD Interface
• E99 ECM Removal, Installation & Overnight Shipping Service
• DSX Plug & Play Flex Fuel Kit
  • Genuine GM Flex Fuel Sensor
  • Quick-Connect Fuel Lines
  • Plug & Play Wiring Harness

Expected Performance

91/93 Octane

• Approximately 465–485 WHP

E85

• Approximately 490–505 WHP

Actual horsepower and torque gains will vary depending on engine modifications, fuel quality, ethanol content, and overall vehicle configuration.

Compatibility

Compatible With:

• 2020–2026 Chevrolet Corvette Stingray (LT2 6.2L)
• 2024–2026 Chevrolet Corvette E-Ray (LT2 6.2L Hybrid)

Not Compatible With:

• 2023–2026 Chevrolet Corvette Z06 (LT6 5.5L)
• 2025–2026 Chevrolet Corvette ZR1 / ZR1X (LT7 5.5L Twin Turbo)

Notes

• Vehicle VIN is required before tuning.
• This package includes the hardware and services required to perform a complete Flex Fuel conversion and custom calibration.
• Professional installation is recommended for the Flex Fuel components and ECM removal/reinstallation.