Originally posted by beyondloadedSE:
i think dom on fordcontour.org did the 3.0L valves on his 3.0L short block.
Nope, not that I know of. The only two 3 liters with the 2.5 heads and 3 liter valves are jjennings (David Z's old engine) and Warmonger. IIRC, Tom said his cost under $500 to get done at a local shop. I've got the same quote from a local place here too.