Going to paint, opinions please!

[JohnZ]

It's because of shrinkage rates in the materials; the major panel material has already shrunk over the years, but the new repair material will also age with time and tend to pull away from the surrounding original panel material, which isn't going to change any more. Usually very noticeable on flat panels, especially in darker colors.

 

[Gary Wilkerson]

Thanks John, I 'm going to have to rethink this!!!