What is Pennzoil's "PureBase" or is it just a marketing thing for Pennzoil?
Pennzoil's web site talks about how great it is but does not say what it is. (At least I cannot find its description on their web site)
Is PureBase a Group III base?
I am mostly interested in the 5w20 oil.
Pennzoil's web site talks about how great it is but does not say what it is. (At least I cannot find its description on their web site)
Is PureBase a Group III base?
I am mostly interested in the 5w20 oil.