At 14:28 10/29/99 , David Beierl wrote:
Wear rating tests are conducted on a specific 400-mile course in Texas, and
use the "NHTSA Course Monitoring Tire"  to adjust for day-to-day variations
in test conditions on that course.  This tire must be bought from NHTSA at
the course location.  The actual rating is the absolute expected life of the

PS -- in 1995 they were getting $333 per tire and you need four of them for
a test...

d
David Beierl - Providence, RI
  http://pws.prserv.net/synergy/Vanagon/
'84 Westy "Dutiful Passage"
'85 GL "Poor Relation"