Hummer H3 · 2006 - 2010
5.3 V8 300hp Stage 1 tuning
ECU remap / chiptuning file for the Hummer H3 5.3 V8 300hp. Figures below compare the stock calibration with our tuned file, reviewed by experienced calibrators with safety limits respected.
Power
300 hp
320 hp
+20 hp
Torque
430 Nm
450 Nm
+20 Nm
Engine specifications
- Engine code
- LH8
- Fuel
- Petrol
- Displacement
- 5328 cc
- Compression
- 9.6 : 1
- Bore × Stroke
- 96.0 X 92.0 mm
- ECU
- Delco E38, Delco E67