[mr0077]

Mike,
Your story is appreciated, and exactly what I'm concerned about. I'm surprised you got that treatment at a Porsche dealership...you'd think they'd be classier than that.
My Trigos are in fact 15", so it hopefully won't be a problem, but it seems I read somewhere there are a couple of things to watch for with both the mounting and the balancing. Sorry 'bout your experience, but thanks for info.