.....your questions seem somewhat opposing in consideration of what you are trying to buy/build/own....1.0-depends on what the dealers sets the computer at 2.0-any where from 6 to 10.5mpg 3.0-10,000# trailer and 22,000 # tractor loaded. 4.0-might. 5.0-been thinking about playing with the idea some-but haven't got a lot of time lately. 6.0-NO. 7.0 have no way of knowing. 8.0-yes. 9.0-never owned one.10.0-nonejust service it and let it do what it is made to do. 11.0- 500 ISX Cummins with a super 10. 12.0 -nope. 13.0 can't waste the time and the insurance company would cancel me with a system like that in my garage. 14.0-bullsh* If true the carriers would be on it like stink on a stick.....1.1- only with the town folks about my truck and the mayor took care of that-another town tried-we will be going to court asap the attorneys are ready to file in my behalf. 2.1-