If the cars only turn one way, I'm not interested
SCCA racing is a helluvalot of fun because it's a bunch of guys who aren't in it for the money (you spend a lot more than you EVER take home), and it's just plain pure racing with anything from old 70's civics all the way up to miniature Indy cars (that can turn more than just left
Rally is also a favorite of mine. What's more exciting than watching some dude blast down a snowpacked logging road at 100+mph with trees just inches to either side of the car?