GMC Sierra · 1999 - 2007

4.3 V6 200hp Stage 1 tuning

The GMC Sierra 4.3 V6 200hp produces 200 hp and 350 Nm as standard. The YASTUNING Stage 1 remap file takes it to 220 hp and 370 Nm, a gain of +20 hp and +20 Nm. Engine code LU3. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.

Power
200 hp 220 hp +20 hp
Torque
350 Nm 370 Nm +20 Nm

Engine specifications

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