About the gt t – Bully Dog 40450 GTT+ User Manual
Page 3
![background image](/manuals/584958/3/background.png)
40450
GT T
+
2
About the Gt t+
Preview of Basic Installation Steps
1. Update the GT T+.
this step is very important!!!
See page 20 for more information.
2. Physically install the GT T+. See page 28 for more information.
3. Install the tune to your vehicle. See page 32 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 38 for more information.
See pages 4-6 for a complete list and description of the items included with your GT T+.
SETTING
PEAK
HORSEPOWER
PEAK
TORQUE
OCTANE
Premium
10-15
20-24
91+
Regular
10-12
15-20
85+
Tow
6-9
10-15
85+
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 42 for more information.
SETTING
PEAK
HORSEPOWER
PEAK
TORQUE
OCTANE
Premium 95+
up to 95
up to 85
95+ required for Tundra
Premium 93+ (
91+
*)
up to 70 (
up to 30
*)
up to 60 (
up to 22
*)
93+ required for Tundra (
91+
*)
Stock
Stock
Stock
OEM Spec.
Supercharged
Naturally Aspirated
Tuning Information
*Numbers in (
red
) apply to Tacoma