I'll be 71 in March, my wife will be 69 in Nov. Our car came late in life when I was 65. We can not afford to go on vacations so we visit car shows. We have met some very nice people and call them friends. There is always a smile, a handshake, and a big welcome whenever we meet up.
I can't imagine what you are going through but it looks like you know God is on your side and that you can rely upon Him. That is in your favor.
I would finish your car and visit the car shows, make new friends, There is nothing like driving one of these old cars. It will, and will continue to put a smile on your face if nothing more than just going to the store as we so often do. Blessings to you, you are on my prayer list!