Tweaking the vehicle computer for better mileage
Ron Bilyeu is an independent tuner working out of Indiana-based Pro Dyno Tech. Working with a chassis dyno that measures torque at the drive wheels, Bilyeu says he can improve fuel economy from 15 to 20 percent. I don't doubt those improvements are possible with many vehicles, especially those with older engines, but not all vehicles will enjoy such gains. I am impressed with Bilyeu's credentials and commitment to understanding and teaching of engine programming. He has instructional tapes sponsored by Snap-On and appears to treat each vehicle as an individual project instead of developing a universal program. I would take my car to him, if only to find out how much it pulls on the dyno.
[Source: Denise Hinckley / thepaper24-7.com]
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