Not necessarily. Say the pumped in 3 more deg of timing in the tune, more RPM at shift, threw in bigger injectors, and put E90 in the car. Everything may have been fine in the log, but the motor went bang because it couldn't take the extra. My logs from my original Hellcat motor looked fine until it bent a rod and went bang.
@DRAGRCR - I'm with ya. Sure would be nice to get to the bottom. Butter says he talked to the owner and had all the info thinking he would get in touch with the new CEO?