GMC Sierra · 1999 - 2007
4.8 V8 295hp Stage 1 tuning
ECU remap / chiptuning file for the GMC Sierra 4.8 V8 295hp. Figures below compare the stock calibration with our tuned file, reviewed by experienced calibrators with safety limits respected.
Power
295 hp
315 hp
+20 hp
Torque
414 Nm
435 Nm
+21 Nm
Engine specifications
- Engine code
- L20
- Fuel
- Petrol
- Displacement
- 4807 cc
- Compression
- 8.8 : 1
- Bore × Stroke
- 96.0 X 83.0 mm
- ECU
- Delco E38