Just got a brand new motor together with crane roller rockers and their noisy as he!! Now i'm not talking noisy like comp hyd lifters, its louder than my solid cam stang. When i first start the truck they are silent, but as soon as its up to operating temp they are very loud. I have 50 psi oil pressure and only .465" lift. Anyone have any guesses. I just got off the tech line with Crane and they accused me of not knowing how to adjust valves and said it wasn't thier rockers and they haven't heard of this before. Anyone have this problem??

I think I'd yank a valve cover after it gets hot to see whats actually loose/happening,& maybe pull a few rockers off & do a visual on 'em.

I'm ASSUMING you're talking small block? Since its LOW lift.... look closely where the retainers might contact the rocker. COMMON problem with some roller rockers on big blocks.