You'll want to look for the larger Champ style rearends as posted before. If you can find it with Grand National ends that would be even better. Thats the street car bolt circle, not the wide 5 pattern that would be a plus. They usually come with welded spider gears or a spool and those will...
Another new guy, I'm from South Fl. I like early Fords and early powerplants. Don't like car shows or "the scene". I'm currently finishin a A sedan w/ hopped up Caddy.