What is the cheapest, easiest oil and filter within specs you can buy for your car? Use it for 5K miles, less if you're a worry wart. The rest is advertising. Came here 21 yrs ago looking for a potion to magically get the cat to pass emissions. What I learned here is that life is waaay too short for 99.9% of laymen's talk about oil But the other topics of discussion are fascinating.