Could a blown head gasket allow the antifreeze in there?
Check your oil and see if any antifreeze is in the oil pan. If you pull the drain plug the anitifreeze will come out first if there is any in there.
1953 Chevrolet 3600 Fried Green T'mater (Vern) In the Stovebolt Gallery Caution: Political Statement Man who runs in front of car gets tired, man who runs behind car gets exhausted.