2020-2023 Duramax Motor Ops HP Tuners Custom Tune Files

Fits

Elevate your 2020–2023 Chevy Silverado or GMC Sierra 6.6L L5P Duramax with Motor Ops’ elite calibrations. Engineered for HP Tuners, their purpose-built files deliver crisper throttle response and superior towing power. Choose the Single Tune (Software Only) for a dedicated performance boost, or step up to their SOTF (Switch-On-The-Fly) Tune to toggle power levels instantly. No matter your driving style, Motor Ops has the calibration to match.

*IMPORTANT: This package includes tune files only. You must have the required hardware to flash the ECM and TCM. (See Notes)

Depending on your selection for the 2020–2023 L5P Duramax, power levels are configured as follows (Note: SOTF levels apply to factory turbo applications only)

Power Levels:

Optimized Stock Tune

• Refined factory settings
• Smoother running engine & power delivery
• Reduced exhaust temperatures
• Leaves factory rev limit in place

Heavy Tow Tune

• For those towing from 8,000 lbs up to GVWR (Gross Vehicle Weight Rating)
• + 90 RWHP, + 120 ft-lbs torque over factory
• Wider torque curve assists heavy loads
• Perfect balance of sport driving & functionality
• Exhaust temperatures drop up to 100F under full load

Light Tow Tune

• For those towing any load up to 8,000 lbs
• + 110 RWHP, + 200 ft-lbs torque over factory
• Designed for weekend tower, boats, small tractors, etc
• Perfect balance of sport driving & functionality
• Unhook and enjoy a sportier drive

Sport Economy Tune

• Fun unloaded daily driving
• For driving around town, highways
• Impress your friends
• Put a smile on your face
• + 140 RWHP, +300 ft-lbs torque over factory
• Puts your vehicle near the 550 RWHP mark

Race / Max Effort Tune

• Maxes out the factory Turbo
• + 210 RWHP, + 500 ft-lbs torque over factory
• Puts your vehicle near the 600 RWHP 1360 ft-lbs mark
• Up to 620 RWHP / 1380 ft. lbs with WC Fab turbo mouthpiece
• Strongly recommend transmission tune to avoid premature wear

Transmission Tuning (Optional Add-On)

• Increased transmission line pressure for holding more HP and torque
• Revised shift schedule to improve driveability
• Keeps the truck on top of the turbo
• Improved shift timing
• Re-designed torque converter lock-up strategy
• Allows power transfer from the engine to the wheels more directly
• Unlocked T87A TCM
• 4 required HP Tuners Universal Credits

Required for Tuning the L5P ECM (2017-2019)

• HP Tuners MPVI3 - this is used for programming the ECM and TCM if you decide to do so.
• HP Tuners Universal Credits - 6 Universal Credits are required for programming the ECM, and 4 Universal Credits are required for programming the TCM (TCM is optional and can be done at a later date).
• Unlocked T93 TCM - This is required if you are doing a transmission tune. The factory TCM must be unlocked prior to tuning. This Unlocked TCM will actually replace your factory TCM.
• BOD Engineering Can Bus Plugs