3.5 V6 203hp Stage 1 tuning

The Chevrolet Uplander 3.5 V6 203hp produces 203 hp and 298 Nm as standard. The YASTUNING Stage 1 remap file takes it to 230 hp and 330 Nm, a gain of +27 hp and +32 Nm. Engine code LX9. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.