I have a 2004 F350. I have been using it for about 3 weeks with over 500 miles using it. I did have to replace the fule filters and a pump. I can't say that the pump went bad as a result of using DSE. One thing is for sure, You need to make every batch thin. If you follow there method - it will be to thick. You will need to make it as a winter mix.
Good luck
