Would you risk it? What would you do?

Went to adjust my Hyd. flat tappet lifters the other day and have 3 spongy lifters. This was after running the engine :( I'm getting ready to pull the trigger on a solid mechnical cam and lifters. I may be in touch about surfacing my new lifters before installation.
If I can help, let me know. And as far as the spongy lifters, I would disassemble them and clean them. That's something I allways do on new lifters, there is almost allways some grit and contamination from manufacturing in them. That will probably cure them