GMC Sierra · 1999 - 2007
8,1 V8 330hp Stage 1 tuning
ECU remap / chiptuning file for the GMC Sierra 8,1 V8 330hp. Figures below compare the stock calibration with our tuned file, reviewed by experienced calibrators with safety limits respected.
Power
330 hp
350 hp
+20 hp
Torque
610 Nm
630 Nm
+20 Nm
Engine specifications
- Engine code
- L18
- Fuel
- Petrol
- Displacement
- 8128 cc
- Compression
- 9.1 : 1
- Bore × Stroke
- 107.9 X 111.0 mm