[twinturrbo406]

Originally Posted by john marcella

I didnt think it would burn up or fall out. I think you are going to take it out.
How deep does the key go? how much press? It definitely has the potential to work.
Its not a dumb idea.
Have you checked the Rockwell of the head in that spot? Have you tried a different heat treat?

... we did have a set of ProStock Ford heads in the shop a little while ago, and they had many runs on them, and i myself was surprised to see that piece in there, but it has held up very well ...