Here's the interior that got me thinking. The hoop hides nicely in the interior, but no down bars going fore or aft of the hoop. Dunno if I'd trust that.

Here's another shot of the car, and the link where I found it. Not exactly what "old school" I thought would look like. Class designation of C/G... gotta look that up (weight, motor, safety equipment, etc.). Definitely has the C👀L factor going on, at least for me it does.