I was reading here and one of the members said that Pennzoil isn't a very good oil. I currently use the 5 quart containers of Pennzoil for dino and Mobil 1 for the synthetic.
Why is Pennzoil not very good?
If we made a list of oils ranking them, how would it go?
Why is Pennzoil not very good?
If we made a list of oils ranking them, how would it go?