GMC Sierra · 2017 ->
5.3 V8 355hp Stage 1 tuning
ECU remap / chiptuning file for the GMC Sierra 5.3 V8 355hp. Figures below compare the stock calibration with our tuned file, reviewed by experienced calibrators with safety limits respected.
Power
355 hp
375 hp
+20 hp
Torque
519 Nm
540 Nm
+21 Nm
Engine specifications
- Engine code
- L83
- Fuel
- Petrol
- Displacement
- 5328 cc
- Compression
- 11.0 : 1
- Bore × Stroke
- 96.0 X 92.0 mm
- ECU
- Delco E92