GMC Sierra · 1999 - 2007

5.3 V8 295hp Stage 1 tuning

ECU remap / chiptuning file for the GMC Sierra 5.3 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
447 Nm 470 Nm +23 Nm

Engine specifications

Engine code
LMG
Fuel
Petrol
Displacement
5327 cc
Compression
9.6 : 1
Bore × Stroke
96.0 X 92.0 mm
ECU
Delco E38