Not sure how much run time you have on this new cam, but before I would touch the 1st adjusting nut I would make note of which valves are noisy. This can be done when re-adjusting and noting the loosest valves, ie most clearance. You can also do this with a section of hose, like a couple of feet of rubber fuel line or similar. Start engine with v covers off. Put one end of hose to your ear and other to each valve. It will be easily apparent the culprit(s). Regardless of method mentioned, the reason to note which valves is after you re-adjust, I would set up a dial indicator on those valves and note full lift. You may want to record this and if there is significant (.050) change from stated lift on cam card, I would want to determine if you are wiping out a lobe, having premature cam failure from break in.