Well my engine guy knows ford sixes.
He's built three for me plus a v8
My guy is super busy right now. If you aren't in a hurry he's great.
Dennis @ American engine
Only downside is he's on the right side of the state in spokane, wa
Pistons will be the expensive part if you need them.
There is a guy on ebay that sells a complete engine kit for $500.
Best prices I found anywhere. My engine guy matched the prices but I wouldn't expect him to do that for everyone