Im stumped, It's missing and ticking.

It's a hyd. cam about a 340 grind. The distributer is a stock replacement about 3 months old. I have been running 10 w30and a short Wix filter. Im ganna pull the valvecovers today when I get home. This sucks, altho if it is the cam I have a 509 mopar purple cam and lifters on the shelf.....hmmmm