They'd look out of place if you ask me. I mean, the 'stang has round headlights so it matches...
It was not fog in the upper grill... it was long range lights...acually way way back when I first joined the forums I remember seeing a Rally company that had built a concept rally car from the koup and it had round fogs in the grill if i remember and it looked pretty cool. I am sure with allot of digging you could find the thread. if the link to the image isnt broke you might be able to see it and not imagine it.