CC&R dated 1973 says no RVs, trailers, boats can be stored

It depends on some factors and the state you live in. Here's a little write-up on the subject.

You have to ask yourself "is this house worth the hassle". You could petition to have this clause of the CC&R amended out. I'm sure that would backfire on you, and you would be reasonable for the legal fees involved.

With that said, your neighbor looking down on you through her upstairs window has been given the right to protect HER property value.