GMC Sierra · 2008 - 2013

6.2 V8 403hp Stage 1 tuning

The GMC Sierra 6.2 V8 403hp produces 403 hp and 565 Nm as standard. The YASTUNING Stage 1 remap file takes it to 425 hp and 585 Nm, a gain of +22 hp and +20 Nm. Engine code LS3. ECU: Delco E38. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.

Power
403 hp 425 hp +22 hp
Torque
565 Nm 585 Nm +20 Nm

Engine specifications

Engine code
LS3
Fuel
Petrol
Displacement
6162 cc
Compression
10.7 : 1
Bore × Stroke
103.3 X 92.0 mm
ECU
Delco E38
Method
Chiptuning

Available options

Software options we can include with the GMC Sierra 6.2 V8 403hp 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.