Bigger tires on a 73 Swinger

you need to read the members resto threads. there is so much info to be had. there are so many options here that it would be impossible to answer in one post. it has everything to do with how much money you want to spend, what kind of duty this car will serve, what tools and equipment you have etc etc. you have given such a broad description of what you are looking for.

you might want to start over in the suspension forum