Tuning file specifications

GMC Sierra 6.6 Duramax 365hp

Stock power
365HP
Tuned power
395HP
Stock torque
894Nm
Tuned torque
945Nm

Power (HP) · +30 HP

Stock365 HP
Tuned395 HP

Torque (Nm) · +51 Nm

Stock894 Nm
Tuned945 Nm

Info

FuelDiesel
Engine ECUBosch EDC16C42 / Bosch EDC16C41

Technical engine data

Compression16.8 : 1
Bore x Stroke103.0 X 99.0 mm
Engine numberLMM

All figures are dyno tested values. Results may vary depending on vehicle condition, fuel quality and hardware.

Get your tuning file

Upload your ORI file in our tuning portal and download your dyno tested MOD file – ready to flash.

Go to Tuning Portal