![]() Among their devices’ optional features are functions such as data logging for short intervals. The truck is powerful enough as stock, but you add extra horsepower and it becomes a beast.”Īmerican Falls, Idaho-based Bully Dog Technologies is just one of the more popular tuner manufacturers whose devices have found application in trucks. “Like if I get on it at a stoplight, it will chirp the tires. “I installed a Bully Dog tuner and it feels like I added about 50 extra horses,” says Zac Rice of Pocatello, Idaho, owner of a 2008 Tundra 5.7 liter truck. Perhaps adding a little more valve lift at high RPMs for maximum top-end speed, or a little less when more pulling power is called for. Tuners extract this power by adjusting the operating conditions of the engine toward increased performance. Using a tuner it is possible to increase gasoline or diesel engine performance up to 99 horsepower and 88 lb-ft of torque on a gas truck, and 120 horsepower and 240 lb-ft of torque on a diesel truck depending upon the model. These devices operate by monitoring turbo boost pressure, engine RPMs, coolant temperature, airflow, fuel rail pressure and other operating considerations such as vehicle load, and then balancing these parameters by changing the electronic tuning characteristics of the engine management system to yield optimized performance. Purchased as an aftermarket item, a programmable tuner is essentially a single-purpose mini-computer that includes an on-dash or window-mounted monitor and control panel, along with the necessary leads to connect with the stock engine control module. Some models offer a “gauge” that the motorist can view while driving to see exactly how the device is helping. “Programmer” refers to the ability to go beyond the vehicle’s firmware to adjust the engine’s “tune” to the specific needs of the driver. The term “chip” derives from the fact that a silicon integrated circuit acts as the heart of the device. Whether known as programmers, engine performance tuners, chips, or gauge tuners, these small electronic devices are used to manage and optimize engine performance on trucks, SUVs and crossovers. What exactly are engine tuners and how do they work? So, do engine tuners really deliver the goods? Read the FAQ information below for answers. Given today’s price of gas and the escalation of power outputs, truck owners are searching for even the slightest of improvements. What is surprising, though, is that no matter how high the horsepower setting, I have always gotten a little better fuel mileage, as much as eight percent more.” “I have always liked horsepower, so I have been using an engine programmer on my last two trucks, a 2011 Ford Raptor and a 2006 Duramax 6.6L turbo-diesel,” said Kevin Johns of Hymark Farms, Aberdeen, Idaho. Too good to be true? Not necessarily, as a number of truck owners are already enjoying improved performance and economy by installing a programmer. Sounds easy, doesn’t it? Just drop in a magic “chip” and your pickup suddenly takes on “monster-truck”-like qualities – able to pull loads easier or even achieve better gas mileage.
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