6.2 V8 415hp Stage 1 tuning

The Pontiac G8 6.2 V8 415hp produces 415 hp and 563 Nm as standard. The YASTUNING Stage 1 remap file takes it to 435 hp and 585 Nm, a gain of +20 hp and +22 Nm. Engine code LS3. ECU: Delco E38. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.