8 inch rim stock tire size. At 63 and with mounting responsibilities my track days may be over. Truly do not want to offend anyone, but I have a life time of professional mechanical experience. Raced MX, road raced motorcycles, auto X, time attack/hpde. I have learned that no matter how hard we try, myself included, we simply can not be impartial about the results of modifications. This is our hobby, our passion, we want so bad for our attempts at improvements to be successful. Sometimes a change is interpreted as an improvement when all it really is is a change. So I do not rely on seat of the pants opinions though I understand they are sincere. Dyno results and lap times, give me dyno results and lap times. I run 200tw tires on all my cars including my daily driver, once that level of grip is experienced it is hard to settle for anything less. Also, and this is quite childish, it is a real hoot to pass someone on the outside with a cheap car fitted with sticky tires on the local highway ramps. Most drivers have no idea what tire I am running and must scratch their heads wondering how did that grocery getter pass me. Like I said childish, but given the chance I will do it again.