It could be line lock. I heard early mention of it for the 2013 GT500 but then nothing more. It's a small feature but fits in with Mustangs drag racing heritage. I've had line lock on most of my cars so I think it would be cool. :)
Hi all! I have to say this forum has had a lot of play over the last few weeks. I plan on a 2015 so I figured I'd join up. Lots of good stuff on here. I hope I can contribute.
Oldman, your car list is weird and awesome. I have a GLH as well (still) and an AMC product. About the old...