Racing with Cragar ss wheels

joes if you look around hard enough you can find 15x8 in standard 4.5 bolt circle (not unilug)... BUT, for what it's worth I will be running the unilug 15x4.5 and 15x10s on my Valiant. I bought them from Ed Miller, he was going to run them on a HEMI Duster (a clone of his 1970 pro-stock car) and he wasn't worried about the unilug thing, so I'm not worried either... Anyone else have a "bad" experience from unilugs? From what I understand most of the issues with unilugs is from people running incorrect lugs or washers with them...