Ok here it goes. Just bought son a flat kart with an alcohol Briggs Flathead. Plan on swapping to BSP eventually as the only class that can be run is the RWYB here locally. May end up running the Briggs for the first race or two. Have some general questions to find a basic starting point and working from there. I have read a lot of setup information online but a lot depends on where you run.
For a 1/8 mile semi banked clay oval what should be my basic staring point for tire and wheel sizes?