i have been running a smallblock with a comp XE solid roller for a few years on the street and no problems at all, and before that i had a diferent solid roller but much wilder that worked for a few years of summer daily driving including some pretty long drives and alot of 7500+rpm shifts and that one lost alitle spring preasure during the last summer, but none of them realy gave me any trouble being driven on the street for alot of time and both those rollercams have been at cruisenights basicly being at idle for about 8 hours at 8-900rpms with no bad effects that i have noticed

and i dont think a modern solid roller with .016-.018 lash makes enough noice from the lash to realy be anoying to anyone