Combination of gravel, cold (and hard compound) tires and to much speed

Yeah, they only require hardtop on roadster cars... its not very common actually and mostly you need full cage.

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Thanks for comments guys, I will upload more videos later.

 

Thanks for sharon! Nice driving, MOAR! Interested US parties can check out these links for hillclimb events on the east & west coasts, and I'm pretty sure there is one in Michigan?

New England Hillclimb Association (NEHA) - Schedule

https://nhahillclimb.org/

And there is always the link in my sig

 

Here’s the Dragon Hillclimb in North Carolina

https .

 

I didnt knew you had such hillimb racing in US! Very nice.

Another video, just from outside: