GMC Sierra · 2008 - 2013

6.6 Duramax 365hp Stage 1 tuning

The GMC Sierra 6.6 Duramax 365hp produces 365 hp and 894 Nm as standard. The YASTUNING Stage 1 remap file takes it to 395 hp and 945 Nm, a gain of +30 hp and +51 Nm. Engine code LMM. ECU: Bosch EDC16C42, Bosch EDC17CP18. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.

Power
365 hp 395 hp +30 hp
Torque
894 Nm 945 Nm +51 Nm

Engine specifications

Engine code
LMM
Fuel
Diesel
Displacement
6599 cc
Compression
16.8 : 1
Bore × Stroke
103.0 X 99.0 mm
ECU
Bosch EDC16C42, Bosch EDC17CP18
Method
Chiptuning

Available options

Software options we can include with the GMC Sierra 6.6 Duramax 365hp file on request.

Supported read methods

Tools known to read and write this ECU. Send the stock file from any of them and we return the tuned file in the same format.