Well, CRAP!

That's it, I'm out of options. I'm going to have to pull the heads to get the springs off. I tried:

- Air pressure up to 120PSI, both before and after tappin on the retainer on the edge, and with a socket while using the tool which compresses the spring against the head.

- Air pressure using the tool which compresses the spring itself (the inner sporing doesn't compress, so tension is not completely off)

- Penetrating oil on the locks

- Rope technique, putting rope in the cylinder while #1 is down, then carefully bringing it up and using the lever tool. The rope valve was pushing against the rope, but I was worried about damaging something, so I didn't pull TOO hard.

In all of this, the locks did not release. Unless someone has other ideas? Pick-axe maybe?

Has anyone had the retainers SO stuck, they HAD to remove the heads?