I agree with MULTI, but if you just want to indulge in car related activities then there are things all over Japan that happen just about daily. Checking out the articles on speedhunters.com on a daily basis there is always something happening in the surrounding areas of Japan. I suggest checking out some of the past articles to see if anything has an interest or what you are looking for.
read the sign "NO FEEDING THE BABOONS" seeing how they got your back bleeding from the stab wounds