Track curve diameter for Mikado and Pacific

[Anonymous]

Is anyone running a Aristocraft Mikado or Pacific on less than the 8' diameter curves reccomended by Aristo? I have been told that they will run on 6.5'curves. Is anyone else doing it with success. Do you have to make any modifications? Unfortunately I’m limited to 6.5'and 8' diameter curves on opposite ends of my layout
http://www.accommodationsjasper.com/garden_railway.htm