Quadzilla & overhead mileage gauge - Ford Powerstroke Diesel Forum
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Old 01-24-2008, 01:02 PM
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Quadzilla & overhead mileage gauge

First off: 2001 Crewcab, 4x4, Lariat, 7.3, stock height and tire size, Tymar, no Cat, Walker BTM, Quadzilla Zillaraider.

Questions 1: When I run the Quadzilla in the 2nd position(80/180), my overhead mileage readout says I'm getting 22.5mpg doing 65mph on flat highways. With the module in the off position, it will drop to 16-17. Is my truck getting that good of mileage, or does the module screw up the displayed values. I know the definate answer is to work it out on paper.

Question 2: It's it ok to leave it in the 2nd position as a daily driver? The engine knocks a lot louder, but has a great throttle reponse. I don't plan on any hot rodding.
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Old 01-27-2008, 09:36 AM
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yes the overhead will be wrong when running any type of custom tuning.

It's perfectly fine to run the QZ on level 2 or 3 if you want as long as you are empty.

Towing you should back down to the first level without gauges, or if you have gauges let it hang out.
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