Thanks for the info.  Are ventilated rotors available in a size that will
fit vans with stock wheels, or only for those who have stepped up to
larger ones?  My '82 has warped rotors so I'm going to have to replace
them at the next brake job anyway.

             _ _
  __ _ _   _| | |  | David M. Brodbeck (N8SRE)              Ypsilanti, MI
 / _` | | | | | |  +-----------------------------------------------------
| (_| | |_| | | | @ cyberspace.org
 \__, |\__,_|_|_| "Only the government would call one half cup a
 |___/             reasonable serving of ice cream." -- Consumer Reports