Sorry if a repost, but watch the vids (although I doubt you'll understand a word the guy says in the 2nd vid). The sound on the old girl is incredible:
http://jalopnik.com/jump-into-a-rare-gt40-roadster-at-le-mans-in-the-wet-an-1617555756
http://jalopnik.com/jump-into-a-rare-gt40-roadster-at-le-mans-in-the-wet-an-1617555756