is this true about a 350 sbc vs a sbm

Why is it even important? Just sell him the mini spool and laugh when you drive by him broken on the street.

Exactly!!!

By the way, he can install the "C clip" eliminators, Mini Spool or not...:banghead:. Once you get into the 400/500hp range, and the resulting cam requirements, the valvetrain is really where I see the differences.....Mopar, hands down in that range...