GMC Sierra · 2017 ->

4.3 V6 285hp Stage 1 tuning

ECU remap / chiptuning file for the GMC Sierra 4.3 V6 285hp. Figures below compare the stock calibration with our tuned file, reviewed by experienced calibrators with safety limits respected.

Power
285 hp 305 hp +20 hp
Torque
413 Nm 440 Nm +27 Nm

Engine specifications

Engine code
LU3
Fuel
Petrol
Displacement
4300 cc
Compression
9.2 : 1
Bore × Stroke
101.6 X 88.4 mm