As long as you have an 1" of clearance, you will be fine. I had 2" of clearance on my busa and had zero issues. very clean all concrete with no major cracks, no potholes and the biggest obstacle you will run into is a head wind. dont think a head wind will be troublesome for you folks. pea sized gravel gently litters the return and pit areas.
very low key out there. bring a copy of the SCTA rule book with you so the tech guys no what to look for. not a lot of liners have run out there. the one I know of who did run last year had major "mechanical/construction" issues. no chute, fire you name it...