Grinding, " diesel " noise under valve covers

mopar head said

Doesn`t take long to pull rocker shafts. If push rods are rubbing you`ll see shine sections where it is.
I think your noise is deeper in the engine.
Might want to buy a complete gasket kit, I think your going to need it before it`s all over.

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Arrgghh.. I'm still hoping for piston slap, at this point... if I need a gasket set, sounds like I'll need a Complete rebuild. Rip it all apart. Clean, inspect/ measure it all... Rings, rods, main, and cam bearings.... or am I just gonna fix the issue at hand? Whatever the heck that is! Didn't see any Shine, but the light on the oil, they all rotated freely between my thumb and finger. No pressure. One was tight, I gave that to the engine cycle