Thanks... now to go to the opposite side of that spectrum... assuming i have an 8" rim, what is the skinniest tire i can mount on it? I'm thinking of some tall WWW bias plys with as much sidewall height as i can get... from what i can tell, a L78 bias ply is the biggest 15" WWW you can get, but not sure if i need to go that big or not. Looking to give the car a traditional look..something like this: