User guide

GT for Jeep
2
ABOUT THE GT FOR JEEP GTJ
Preview of Basic Installation Steps
1. Update the GT. This step is very important!!! See page 22 for more information.
2. Physically install the GT. See page 30 for more information.
3. Install the tune to your vehicle. See page 35 for more information.
IMPORTANT NOTE: You MUST uninstall your Bully Dog engine tune before taking your vehicle in for ANY type of service.
There are also other important times to uninstall the tune. Please see page 43 for more information.
See pages 4-6 for a complete list and description of the items included with your GT for Jeep.
Tuning Information
SETTING PEAK HORSEPOWER PEAK TORQUE OCTANE
High Octane up to 35 Up to 40 91+ octane
Regular 15-20 15-20 85+ octane
Stock Stock Stock OEM Spec.
IMPORTANT NOTE: The only gas tunes available are based on the octane of the fuel that you are running. Failure to comply with fuel octane requirements
can result in engine damage. If you change the octane of fuel that you are running, you will need to change the tune installed on your vehicle –
see page 47 for more information.