Rod,
Do you have any pictures of your setup?
It sounds pretty similar to what I'm thinking of adding to our "Toad in Training".
http://www.thorforums.com/forums/att...1&d=1565477138
I've had it for just over a week, and I'm getting over 60 mpg with it!
(I wonder how it'll do,;when it's pushing the RV down the road?
)