 
Posted by Marty on June 27, 1998 at 08:32:11:
In Reply to: Truck Tire Recommendations? posted by Paul on June 26, 1998 at 13:04:05:
I have 235/85R16 on a 96 Ford F-250 with 15,000 on them.  Went to the dealer and he measured 4/32" left.  2/32 is illegal.