Ram 1500 5.7L HEMI V8 V8 MoPower Custom Tune with Livernois MyCal Handheld

The Ram 1500 5.7L HEMI V8 is one of the most popular trucks on the road, and MoPower Calibrations makes it even better with our custom ECU tune. Bundled with the Livernois MyCal handheld programmer, this package delivers dyno-proven horsepower and torque gains, sharper throttle response, and improved drivability — whether you use your Ram for work, towing, or daily driving.

Dyno-Proven Performance

Our calibration engineers refined spark, fuel maps, torque management, and knock thresholds during dyno and real-world testing. The result is stronger low-end torque for towing and hauling, quicker throttle response, and more horsepower across the RPM range — all while maintaining OEM reliability.

MoPower Ram 1500 5.7L HEMI V8 Tune Features

• Dyno-verified horsepower & torque gains
• Improved throttle response under load
• Stronger low-end torque for towing & hauling
• Optimized spark and fueling maps
• Modified torque management algorithms
• Refined knock thresholds for safe performance
• Potential fuel economy improvements during light driving

Plug-and-Play with Livernois MyCal

The Livernois MyCal handheld programmer makes tuning simple. Flash your Ram’s ECU directly through the OBDII port — no downtime, no mailing your ECU. Switch between stock and performance tunes whenever you want.

Fuel Options

This tune is designed for premium fuel and supports:

• 91 Octane
• 92 Octane
• 93 Octane

⚠️ Running lower octane fuel than your selected tune may result in engine damage. MoPower assumes no liability for incorrect fuel usage.

Important Disclaimer

MoPower Calibrations are sold for off-road use only. All performance Calibrations and Engine Control Units installed are at the customer’s own risk. MoPower Calibrations or www.mo-power.com holds no responsibility either implied or otherwise for mechanical, electrical, or other failure when using any aftermarket performance products from MoPower Calibrations. Items sold for off-road use only are illegal in many states and provinces and are intended for racing vehicles which may never be used on a public road or highway. Not for sale or use in the State of California.

MoPower Calibrations LLC is an independent service provider and is not affiliated with or endorsed by third-party tool manufacturers. Third-party trademarks remain the property of their respective owners.

The MoPower Difference

Unlock the full potential of your Ram 1500 5.7L HEMI V8 with a MoPower Custom Tune and Livernois MyCal handheld. Enjoy sharper throttle response, more torque for towing, and dyno-proven horsepower gains — making your Ram stronger and more capable on the job or the street.