Wow- a "no tech" event made the news this past summer at Pikes Peak International Raceway (PPIR). They used the pit lane to drag race and almost had a tragedy as a result. Here's a link to the incredible video:
https://www.youtube.com/watch?v=JiFow0BUBho
BTW- rumor was the guy in the '57 Chevy ran
without any restaints since there was an "honor system" tech at PPIR.