Bully Dog

Performance Products

Take Control Of Your Truck

Bully Dog offers multiple performance upgrades for a wide range of semi’s that are engineered, tested and proven to deliver consistent and verifiable torque, horsepower and fuel economy gains.

Bully Dog’s Heavy Duty Tuners let you choose between three selectable tunes engineered to improve power and economy. Complete with the ability to monitor engine parameters and a driving coach to help you save fuel, Bully Dog’s tuners become an easy to use and install contol center for your truck.

Bully Dog

Garden Spot Frame & Alignment offers the following Bully Dog products:

Heavy Duty GT
Heavy Duty GT
ECM Tuner
ECM Tuner

Heavy Duty GT

for use on CAT® | CUMMINS® | DETROIT® | PACCAR® | MERCEDES®

Heavy Duty GTThe Heavy Duty Gauge Tuner incorporates Bully Dog’s SAE tested and emissions tested diesel engine tuning for both power and economy.

Only the industry’s leading tuning manufacturer could bring you a product this revolutionary. Combining the best-in-class features of the Heavy Duty WatchDog and Bully Dog’s independently SAE tested tuning, the Heavy Duty Gauge Tuner (HDGT) is the premium performance product for drivers and fleet owners. If you are serious about getting peak performance out of your truck while saving money on fuel and repairs, the HDGT is for you.

  • Choose from Economy Engine Tuning, Economy + Power Engine Tuning, and Power Tuning
  • 15-20% Power Increase
  • 6-12% More Fuel Economy
  • Easy Install
  • Switches Easily Back to Stock
  • Driving Coach Software
  • Includes Internet Updates, Upgrades and Customized Tunes
  • SAE and Emissions Tested
  • Password Protection Available

PROVEN PERFORMANCE
Preloaded with three levels of emission-tested, dyno-proven tunes to satisfy your unique demands.

MONITOR PARAMETERS
Monitor many parameters to keep track of engine performance.  Read and clear any DTC’s so there is never a question about an issue before heading to the shop.

CRUISE LIMITER
Increase and decrease the set limit of the vehicles cruise control. Save time and money when continually crossing the US-Canadian border to change the cruise control.

For more information or to buy the Heavy Duty GT call:

717-738-2461 (EPHRATA, PA)

717-656-2366 (LEOLA, PA)

717-355-2404 (EAST EARL, PA)

ECM Tuner

for use on CAT® | CUMMINS® | DETROIT® | PACCAR®MERCEDES®

ECM TunerThe Bully Dog ECM Tuner is built with simple, easy-to-use performance in mind. This powerful device comes preloaded with the same high performance, dyno-proven tunes as our gauge tuners, except it is designed to be stowed away after installation–simply set it and forget it. The ECM Tuner is able to read and clear diagnostic trouble codes and is equipped with fully customizable Speed Limiter adjustments. Select between three preloaded tunes that increase horsepower, torque, and fuel economy, giving your rig the ability to tackle any challenge along the route.

The ECM Tuner provides the same tuning as Bully Dog’s Heavy Duty Gauge Tuner but does not include the gauges and driving coach of the HDGT.

  • Choose from Economy Engine Tuning, Economy + Power Engine Tuning, and Power Tuning
  • 15-20% Power Increase
  • 6-12% More Fuel Economy
  • Speed Limiter Adjustments
  • Diagnostic Reader
  • SAE and Emissions Tested
  • Password Protection Available

PROVEN PERFORMANCE
Preloaded with three levels of emission-tested, dyno-proven tunes to satisfy your unique demands.

MONITOR PARAMETERS
Monitor many parameters to keep track of engine performance.  Read and clear any DTC’s so there is never a question about an issue before heading to the shop.

CRUISE LIMITER
Increase and decrease the set limit of the vehicles cruise control. Save time and money when continually crossing the US-Canadian border to change the cruise control.

For more information or to buy the ECM Tuner call:

717-738-2461 (EPHRATA, PA)

717-656-2366 (LEOLA, PA)

717-355-2404 (EAST EARL, PA)