Maybe, but don't bet on it. Here's the first UOA from the '03 Taurus we bought used at the local Ford dealer.quote:
Originally posted by mf150:
Motorcraft 5W-20 was in my pals engine that blew a rod. His 2002 Gt was serviced at the local Ford dealer.
http://theoildrop.server101.com/ubb/ultimatebb.php?ubb=get_topic;f=3;t=001793
Decent UOA, but that wasn't any 5w-20 in there.