Well the 1st time I couldn't seal a classic valve, but it was old so the threads may have been "tapped" a little deeper from fitting changes.
So why can't pm's use a pic off my sd card like a post? It's kind of a pain to have to upload to photobucket then download to a pm. I'm always getting
i haven't had any issues with my x-valves and cp asas so far. what are you putting the fittings on that it's hitting? it might have been tapped too far.