There are a few of them out there. It's definitely an interesting combination.
Dave Campolito runs R/SA with a Caprice - I believe he has been in the 12.80s. In SS, Ron Roddell runs GT/LA with a newer Grand Am. He's qualified #1 multiple times and has run in the 10.60s, maybe even quicker.
http://www.dragracecentral.com/default.asp is the place you want to go for more information - you can type their names into the search bar up top.