Calibrate Speedometer; Ford And Lincoln Gasoline Vehicle Specific Download Features - Bully Dog Gauge GT Tuner Owner's Manual

OPERATION

2. CALIBRATE SPEEDOMETER

The Calibrate Speedometer feature is also available for many vehicles see the tables below for
vehicle specific information. This feature is useful to correct the OEM speedometer which is reading
inaccurate when an aftermarket tire size has been installed on a vehicle. The vehicle applications
and adjustments capable are displayed in the tables below for gas and diesel applications.
Calibrating for any tire size over 35" may cause the on-dash ABS light to turn on.
Gasoline
Tire Size Adjustment by Make
Make
Dodge '04-'08
Ford/Lincoln
GM
Nissan

3. FORD AND LINCOLN GASOLINE VEHICLE SPECIFIC DOWNLOAD FEATURES

TRANSMISSION TUNING (AUTOMATIC TRANSMISSIONS ONLY):
Two different options exist for transmission tuning, choose to accept a Bully Dog Custom transmission
tune or to leave transmission tuning stock.
Firm Tune - This tune will affect shift firmness and shift points. It is an optimized tune designed for
performance.
Stock Tune - Choose this option to utilize the factory shift patterns.
TRANSMISSION SHIFT POINTS (AUTOMATIC TRANSMISSIONS ONLY):
This feature will raise or lower the point that the vehicle shifts from first to second gear, second to third
gear, and third to fourth gear based on engine rpms. Adjust shift points from 4400 up to 5800 before
each gear change in increments of 100 RPMs.
Minimum Maximum
23" 45"
24" 35"
25" 45"
NA NA
This Feature may not be available for every vehicle
Diesel
Tire Size Adjustment by Make
Make Minimum Maximum
Dodge 5.9L 23"
Dodge 6.7L 23"
Ford 7.3L NA
Ford 6.0L '05-'07 31"
Ford 6.4L NA
GM 6.6L '02-'08 25"
44"
44"
NA
37"
NA
45"