DUDE!!! If you have an automotive site with that much traffic start selling ad space yourself. Start looking at your competitors, or like sites, and see how much to costs on their sites. I bet they are making anywhere from $2cpm to as much as $20cpm. Automotive is one of the best paying, and if your site has anything to do with parts...then right now you are golden. I have a road rage site that makes $$ every month, and I do nothing to it. It also only gets 1,000 page views a day.