GMC Sierra · 2017 ->
6.2 V8 420hp Stage 1 tuning
The GMC Sierra 6.2 V8 420hp produces 420 hp and 609 Nm as standard. The YASTUNING Stage 1 remap file takes it to 440 hp and 630 Nm, a gain of +20 hp and +21 Nm. Engine code L86. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.
Power
420 hp
440 hp
+20 hp
Torque
609 Nm
630 Nm
+21 Nm
Engine specifications
- Engine code
- L86
- Fuel
- Petrol
- Displacement
- 6162 cc
- Compression
- 11.5 : 1
- Bore × Stroke
- 103.3 X 92.0 mm