When your buddy let's you borrow a set of vintage Cragars with tires, and you convince him to "light them up" using your car (after all they are his tires), make sure you select a stretch of road that has not had crack sealer applied!
If you choose to ignore that piece of advice,
definitely do not ignore the advice to not turn around in a gravel driveway!
It was a great burnout,
but took me about 2 hours to undo the damage. I'm still not sure how he managed to get that rock wedged under the traction bar u-bolt.