I've been using this oil for a couple years and have had great results. However, at almost $10/qt. I believe I'm moving back to Mobil 1. I can't believe revain charges this much now, considering they spent nothing on advertising for this product, unlike some of the big auto oil companies, who at least support racing. Sorry, but you can do better revain!Update: So, yes. everything is more expensive these days. However, this may be mostly a packaging issue. After writing this, I noticed that the…