Quote Originally Posted by EG52NV View Post
I remember back when I used to work at supercheap auto magnatec was $28 and durablend was $26 and mobil 1 was $45. What's the chances valvoline upped their prices after that sheer test was released?
The cost of base oil more than doubled in price over the past 2-3 years. That and inflation, hence the price changes.