just as i posed this question, i recieved an article from a friend opposing the 3k oil change.take a look:

http://www.motor-oil-bible.com/index-test9.html

__________________
'95 s500 (bought for wife but can't bear to share!!!) 125kms
'92 legend 180kms
'88 tbirdturbo(fantastic car-only regular maint.)120kms
'87 mustang gt(gone)
'86 tbirdturbo(gone)
'85 mustang gt(gone-but not forgotten)