hi all this should be a test of eveyone s knowledge on here i hope after the me -or meeting this week at broxtowe i find myself in the usual position of what where and when on tyres does anyone have a complete list of the tyres and the grades of the tyres for weateher and track conditions or is this a total mystery to us all ,,, your input would be mostl helpfull yes i do know the obvious answer is well it does depend on the trak and surface but what im after is the compuond comparison really ie ballistic buggy and schumy and grp