Originally Posted by kurtisberry
drivethruecp
Looks like they are keeping their secrets to themselves.
Must be the Tornado thing. I'm going to ebay and buy one. NOT
Consumer Reports tested it and said it actually hurt gas millage if I remember correctly... It at least had no effect. I ordered a Scangauge II, I think this will really help my millage by "training" myself as to my driving habits.