I've just begun to look for replacement tires for the tii after nearly eight years and discover that there are fewer choices than ever for 13" rim, high performance tires. I also have a Miata with Dunlop SP8000s and find them to be perhaps the best I've ever driven on for dry/wet performance. Of course, the SP8000 is not made in 13" sizes. I would go +1 (+2?) but am concerned about offset and fender/wheel well clearances; I want to keep the body stock. Any recommendations?