I was curious to see what a 1977 - 1978 Pontiac Firebird would look like if it didn't have a split grille, so I threw this together using paint.net's clone stamp and eraser tools. I think my image doesn't look the greatest, but I guess it looks good enough to show the idea. Original image I used.
This one was also from yesterday. --- Post updated --- --- Post updated --- This one was a little more rushed.