[JonV]

You see, I'm fitting my rims on my car and I've found that I need less than 1/8 of an inch to get them to clear the calipers. Five good sized flat washers ( one for each lug) would easily give me the clearance I need. Is this a really bad idea, dangerous, whatever?

[sgarnett]

There was a 1/8" spacer made for 3rd gens. You can still get them cheap from gmpartsdirect.com. Mine are in another city at the moment, but if nobody posts the number by the time I get them back I'll let you know.

I would not use the washers. If you look at the back of your wheels, they usually aren't flat. In fact, they are usually relieved a bit directly under/behind each lug.