5.3 V8 285hp Stage 1 tuning

The Chevrolet Silverado 5.3 V8 285hp produces 285 hp and 425 Nm as standard. The YASTUNING Stage 1 remap file takes it to 305 hp and 450 Nm, a gain of +20 hp and +25 Nm. Engine code LM7. ECU: Delco E38. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.