Pbk ram still has a steel core so your still going to get a ping. To get rid of the ping if it really bothers you that much...Get the 07 red valve with the delrin poppit.
On the subject, most stacked tube knock open valve markers will make a ping noise anyway.
hey andrew,,,,,i guest, my 'ping' went to urs....well, if u lube dat much on d brass ram to make d vibration stop...i shall bring it back to u as soon i come i to work....thnaks anyways.....