Originally Posted by Kjmack
Originally Posted by Quattro Pete
Originally Posted by Kjmack
I got it off a VOA on this site .
How old is that VOA?
6/2017
It can't be right. Every single A3/B4 I have ever seen has calcium well north of 2,000ppm. There's plenty of recent Castrol 0W-40 UOAs to look at. They will all have high calcium.
Originally Posted by Quattro Pete
Originally Posted by Kjmack
I got it off a VOA on this site .
How old is that VOA?
6/2017
It can't be right. Every single A3/B4 I have ever seen has calcium well north of 2,000ppm. There's plenty of recent Castrol 0W-40 UOAs to look at. They will all have high calcium.