Bully Dog
Bully Dog Performance Tuners, Performance Programmers, Monitors and Mounting Solutions For Gas and Diesel Vehicles
Bully Dog began in American Falls, Idaho in 1998 as an enthusiast business focused on improving diesel engine performance. Since then, the brand has come to stand for leading-edge engine ECU calibration, high-quality aftermarket parts, and precision data-logging & monitoring technology. With a talented and well-rounded team of designers, engineers, quality control professionals, salespeople, and customer support staff, Bully Dog continues to produce innovative technologies that make use of advances in mobile computing, Wi-Fi & Bluetooth communication, cloud computing, and performance monitoring to deliver unparalleled performance. As a result of its recent merger under Derive Systems, Bully Dog, Bully Dog Big Rig, SCT, and Derive Efficiency brands have integrated into a world-class operation and a dominant force in the automotive technology space. The current Bully Dog offering includes GTX Performance Tuner & Monitor, BDX Performance Programmer, GTX Watchdog Performance Monitor, GT Diesel Performance Tuner & Monitor, GT Gas Performance Tuner & Monitor, Bully Dog Thruster Throttle Booster, Gauge Pods, Pod Mounts and more.
Bully Dog is at the forefront of performance ECU calibration technology for gas and diesel vehicles looking to add performance, tackle tough terrain, haul heavy payloads or tow trailers over long distances. Bully Dog calibration software platform adjusts key performance parameters to better respond to the unique demands you put on your vehicle, whether it's adjusting for tire size, axle lockers, throttle sensitivity or shift firmness. Easy installation using one of Bully Dog’s advanced handheld programmers means quick, out-of-the-box access to better performance, added safety and improved fuel economy. Bully Dog also offers a precision-engineered, top-quality line of performance intakes, diesel particulate filters, manifolds and turbochargers to help vehicles run stronger and last longer. Accesspeed is proud to offer Bully Dog products to our customers. With our lowest price match guarantee, you will always find the best combination of price and selection at Accesspeed.
Speed & Speedometer Calibration
Speed Calibration and Speedometer Calibrators
Do I need to recalibrate my speedometer? As long as your vehicle is maintained at factory specs for tire size, gear ratio and transmission, the speedometer should continue to register vehicle speed within this range. If you modify your tire size, gears and/or transmission, your speedometer may need to be recalibrated.
How do you recalibrate a speedometer for bigger tires? Changing tire size is one of the most common things car owners do that can affect speedometer accuracy. Most modern vehicles can have the tire diameter changed in the vehicle computer, which will recalibrate the speedometer properly. However, if your vehicle does not have this feature, you will need to purchase a Speedometer Calibrator.