You have an engine problem, not a tractor problem- the only connection with a tractor is that it happens to be sitting in one. Could just as easily be in a forklift or a boat. Finding someone with specialized knowledge about a flathead Ford on here would be strictly a coincidence.
Start looking on some hot rod boards- jalopyjournal.com is a good place to start. Also, buy a copy of Street Rodder magazine at the grocery store- lots of vendors there, and other sources of information.