Pontiac Grand Prix · 2004 - 2009
5.3 V8 303hp Stage 1 tuning
ECU remap / chiptuning file for the Pontiac Grand Prix 5.3 V8 303hp. Figures below compare the stock calibration with our tuned file, reviewed by experienced calibrators with safety limits respected.
Power
303 hp
325 hp
+22 hp
Torque
438 Nm
460 Nm
+22 Nm
Engine specifications
- Engine code
- LS4
- Fuel
- Petrol
- Displacement
- 5328 cc
- Compression
- 10.0 : 1
- Bore × Stroke
- 96.0 X 92.0 mm