Please forgive my ignorance with this question. I'm trying to get an idea here. I was looking at possibly buying a new engine for a decent price with a but though.... The but is at what point does a solid roller become uneasy to live with on the street? My concern is that the Cam is a Comp with around .660/.640 lift. Don't yet know other info. It has Morel lifters, and Erson 3860 springs. Which are 240/650 seat and open. Heads are -1's with a Modern CNC job. Will these live on the street for a while? I don't mind maintenance, but I don't know how often or what since it's new. Also don't know if there were any oil/block mods to the block. Sorry if I have something wrong or it's an obvious answer, I don't know. That's why I'm asking. It's a 74 440 block with an Eagle 4.15/Diamond kit.