Thank you very much for the thoughtful response. Sometimes it's hard to describe to people the way I feel when I look at or even think about the car. Occasionally I find myself flipping through the album and just, remembering what I can about being a 7 year old boy. My parents were together, my dad was alive...I mean life wasn't full of kittens and unicorn farts but that car doesn't just feel like a car to me. I don't think I'm chasing those feelings in particular, but it feels like a part of me is missing.
My dad was a mechanic and a musician. He didn't have much in life, but his most prized possessions were that 70 Challenger his brother bought new, and his 1967 Rickenbacker guitar. I have the guitar hanging in a custom wood cabinet in my living room. I walk past it many times every day and each time I think about him. He loved that guitar, and he loved that car. I love him, so I love both of those things.
It's like your grandmothers wedding ring, and someone else that's not family has it in their possession. You know, it's really just a ring...but it's a ring with memories attached to it, and when it's not in your care, custody, or control it just FEELS off. It feels like something isn't whole like it should be.
Try imaging yourself looking at the car 5 years from now in the same shape it is today. If you see yourself being happy because you were able to save this physical connection to your dad - go for it. If you see yourself doing a forehead slap and saying "what was I thinking?" maybe it's not such a good idea to make the buy.
This is by far the most helpful thing anyone has said to me so far, and at the same time it is incredibly simple. I read this last night and decided to sleep on it before I had an answer for you. Really let the statement sink in.
For me, this isn't just another car in what has been or will be a long series of expensive restorations I get tired of halfway through and sell. Frankly, this is the only car I will ever restore...because it's the only car I WANT to restore. If it takes me 20 years of having to pay for storage or work around it in my garage/shed/whatever then that's what I have to do. I'm 32 now and if I don't get to drive it until I'm 60, so be it. Even if I have to restore it one piece at a time by hand, I'll do it. If I don't know how to cut out rust on a fender and replace quarter skins, you bet your butt I'll learn. If I don't know how to sandblast a frame, or do wiring, or rebuild an engine, or reupholster a seat...there's a book, class, or video for that.
It was a part of my Dad and my uncle, and it not being "safe and sound" makes it feel to me as though something is amiss. Like when you get in your car and you just KNOW you forgot something, but you can't remember what it is and you leave anyway but that feeling just nags you.
So to answer your question: If 5 years from now it's sitting in my garage with a tarp over it in pieces, I'll be happy because I can look upon it and know that even if it's just holding the concrete garage floor down, it's home.