This is a bit unrelated, but it might help you. I had that problem when I was rebuilding a set of V6 heads off a Dodge, but it seems they are made the exact same way. I put a piece of wood on the workbench and set the head down so that the face of the valve was sitting on it to keep it from trying to come out. Then, once you have the spring compressed (bottom should come loose from the head), just give a hard tap on the top of the spring compressor with the palm of your hand. You might have to hit it a few times to break it lose, but it should come loose and the keepers (cups) should come out no problem.
Good luck
Good luck
I had trouble with this before, but once you get the hang of it, it's a breeze! I used the old "lever" style spring compressor, the one you have to bolt down where the rockers bolt to. Use the piece of wood like one of the other poster's said. It will stop the valve from going down and not bend/nick the valves.
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