Rc
With the workmanship he has on the plane I can see why he is trying to keep from redoing any thing on the plane.. A person can move the servo's in the plane as far forward as he can and save the structure. I bet he has read many posts on how weak the tail section is an Epoxied the heck out of it. I have had serveral of these Lt 40's and they all took a little weight in the nose depending on the Engine used.
Larry K