Comp Cams Xtreme Energy

Hi all.
Just like to recap about these cams being noisier than normal. It has been discussed that the agressive ginds are to blame for this. Is this absolutely correct?
If I was to use Comp Cams "matching" lifters and springs would this help? Reason being is that I did not use any other Comp Cams product except the cam itself. Has anyone done this?
I would like to hear some feedback on different combinations used out there.
I am starting to think I have a problem due to this noiser valve train I have with this new engine.
My combo is Comp Cams XE274, Eaton Hydraulic lifters, Elgin (120Lbs seated, 270Lbs lifted springs), Adjustable cast steel roller rockers made by a local machinist hear down under. 7.300" push rods.

Kind regards at all.
Billy D...