That would probly be your heater hoses down in that area.
It can leak inside sometimes then you would smell it when the vents are on.
I watched several of those vids.
Thier was one with a GA turbo and he only did 14. ?? in a quarter

But he won, might have been against the Mustang...
Any way they werent all that fast.
Sounds like I need to go up to Michigan and get me some quarter times.