GMC Sierra · 2008 - 2013
6.2 V8 403hp Stage 1 tuning
ECU remap / chiptuning file for the GMC Sierra 6.2 V8 403hp. Figures below compare the stock calibration with our tuned file, reviewed by experienced calibrators with safety limits respected.
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