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sw corner Ia | Just fyi, the tuner is a programming device. I had a 97 and now a 01 and there is only a slight edge in mileage to the newer one and is only because it has 3.73 gears instead of the older ones 4.10. I don't buy the notion that exhaust gases couldn't get out of that old motor, it ran very well. When you are going for mileage you are not running the thing at redline, but rather as slow as you can get the thing to run. This kind of nullifies the choked exhaust thing. | |
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which pwerchip for '97 ford powerstroke 7.3 for better mileage
