Pyrometer Calibration Procedure - Bully Dog Gauge GT Tuner Owner's Manual

APPENDIX
SECTION 1:
BEFORE THIS STEP CAN BE COMPLETED, COMPLETELY INSTALL THE GT AND ALL OF ITS
COMPONENTS.
1. Vehicle must be set to Stock HP/TQ levels-meaning no HP/TQ modifications of any kind (tuner or plug-
in modules).
2. Engine must be put under full load for as long as possible on the hottest day possible. It is suggested to
drive up a hill or pull a trailer.
3. During a heavy load pull, record the highest reading.
4. Take that reading and add 150° to the high number and that will be your new defuel number that you
do not want to exceed.

Pyrometer calibration procedure