This is similarly done in American short-track racing as well with the “engine claim” system - I’ve normally heard of it on dirt but I wouldn’t be surprised if

This is similarly done in American short-track racing as well with the “engine claim” system - I’ve normally heard of it on dirt but I wouldn’t be surprised if asphalt series do it to. Below is just one example of how these rules can be structured. https://dirtcar.com/rules/dirtcar-modifieds/engine/engine-claims/ https://dirtcar.com/rules/dirtcar-modifieds/engine/engine-cl...