easy way to tell if i got a solid cam or hydraulic?

I had the same issue about a year ago.
the clips in the lifters are not necessarily a hydraulic lifter, mine were solid even though they have a clip at the top.
Found that out with some great help from fellow members here at fabo
Here is the link to my post. Hope it helps you out.
http://www.forabodiesonly.com/mopar/showthread.php?t=92911