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Bully Dog 40420 - Platinum GT Diesel Tuner


Chevy, Dodge, Ford and GMC Applications.
See full list below.

Pricing: $469.00

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Bully Dog - Platinum GT Diesel Tuner
Part # 40420

NOTE: A pyrometer (See Related Items) is recommended to get the most from your GT but is not necessary for opperation. A pyrometer isn't necessary for the Ford 6.4L Power Stroke because it uses a factory sensor in the manifold to monitor EGT's.

The Bully Dog Platinum GT (Gauge Tuner) is one of the most popular and best selling Diesel Tuners on the market for many good reasons. One part number fits most popular diesel trucks on the road today. It is simple to install, easy to operate and provides all key features that users are looking for. It is a vehicle engine tuner, monitor, gauge and diagnostic device all in a single unit. The GT dramatically improves the utility of several vehicle applications by providing an increase in horsepower and torque and by improving fuel economy through better engine tuning. The GT monitors and displays over fifteen different vehicle parameters (PIDs) and it includes our all new Driving Coach feature which teaches end users to maximize their vehicles fuel economy potential. The GT performs vehicle diagnostics by reading and erasing diagnostic trouble codes; this level of vehicle transparency isn't offered by any OEM or by any other aftermarket product. Also included is our performance testing feature designed to test a vehicles performance capability on the drag strip; couple this with our free PC analysis software and users can also determine vehicle horsepower. The GT does it all and it works on most late model diesel pickups including Dodge, Ford and GM.

Improved Fuel Economy: The Perfect justification
So is it really true, will this product give you improved fuel economy? The answer is: heck yes; but only if you drive conservatively. If you have your foot to the floor everywhere you go, you are liable to see a significant decrease in fuel economy. That is why we cant say for sure how much of an improvement this product will provide because it all comes down to the driver and their individual driving habits. It is true however, that due to the engine tuning process, better fuel efficiency results as a by-product of added horsepower.

  • 2001-2016 Sierra/Silverado 6.6L
  • 2006-2010 Kodiak/Topkick 6.6L
  • 2006-2014 Express/Savanna 6.6L
DODGE RAM 2500-3500
  • 2003-2007 Cummins 5.9L
  • 2007-2016 Cummins 6.7L (13-15 Requires PCM Unlock)
DODGE RAM 4500-5500
  • 2003-2007 Cummins 5.9L
  • 2007-2016 Cummins 6.7L (13-14 Requires PCM Unlock)
FORD F-250 - F-550
  • 2011-2015 Power Stroke 6.7L
  • 2008-2010 Power Stroke 6.4L
  • 2003-2007 Power Stroke 6.0L
  • 1999-2003 Power Stroke 7.3L
FORD Excursion
  • 2003-2006 Power Stroke 6.0L
  • 1999-2003 Power Stroke 7.3L

* Not legal for sale or use in California on pollution-controlled vehicles.

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Triple Dog GT Diesel Tuning Features:
Economy/ Tow Tune 50+ horsepower
Performance Tune 75+ horsepower
Extreme Tune 100+ horsepower/200lbs.-ft torque

Download Features (where applicable)
Speed Limiter (Not compatible with 2015+ GM)
Rev Limiter
Calibrate Speedometer
Transmission Tuning

Vehicle Options (where applicable)
Seat Belt Reminder Chime
Auto Door Lock

Vehicle Monitoring Functions
Safety Defueling
Real Time Fuel Economy
Average Fuel Economy
Trip Fuel Economy
Coolant Temperature
Fuel Rail Pressure
Manifold Absolute Pressure
Engine RPM
Timing Position
Air Intake Temperature
Mass Air Flow (grams/sec)
Throttle Position
Fuel Level
Battery Voltage
Ambient Air Temperature

Bully Dog GT Tuner


Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W8.0000” x H3.0000” x L5.0000”
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