Solid strut rod bushing on stock strut rods...good idea?

you want something like these

https://www.qa1.net/automotive/suspension/control-arms-other-tubular-components/dynamic-strut-bars
Or these

https://bergmanautocraft.com/product-category/suspension-parts/page/4/
Post up some photos of the control arms. There must be a way to make an adapter to fit the control arm side.