Buick Rainier · 2004 - 2007
5.3 V8 304hp Stage 1 tuning
ECU remap / chiptuning file for the Buick Rainier 5.3 V8 304hp. Figures below compare the stock calibration with our tuned file, reviewed by experienced calibrators with safety limits respected.
Power
304 hp
321 hp
+17 hp
Torque
447 Nm
471 Nm
+24 Nm
Engine specifications
- Engine code
- 5300 Small Block
- Fuel
- Petrol
- Displacement
- 5327 cc
- Compression
- 9.9 : 1
- Bore × Stroke
- 92.1 X 92.0 mm