Welcome to EM.
If your averaging 40mpg in an auto tranny neon, it would seem that you are doing quite well, but always room for improvement. Heres probably the most famous neon in our forums thread
http://ecomodder.com/forum/showthrea...ods-20741.html
The torque app should be about the same thing as the scangauge/ultragauge just there wired in not a battery