Caltrac’s and high rpm doesn’t mix

I understand you guys have to deal with a bunch of silly questions from guys like

No delay boxes allowed
I dumped him on the big end he is one of the big dogs in the class so he had me off my game always a 4ths pro tree
This is with weight in the car before I went to using a restrictor plate and removed the weight

Reason i asked is i looked at several tracks and most 7.0 classes are on 500 tree. Easy to kill the tree on 500 tree with
What track do you race at?