Just select 87 performance.
Then down in the notes write in you want max economy writen in with this tune.
The custom tunes Bill writes have always had the greatest and best efficiency in them that the motor can get.
We drive bricks and not a focus!:lol:

Peace!:)

ha..lol..thanks alot...so then ill do that...and as mentioned before ill be running
87 performance-custom
Tow-canned
93 perfomance-custom