amsoil ck-4 zinc and phosphorus

[jfairchild327]

I had contacted Amsoil and asked them for some more info on their new diesel oils. This is what they gave me. Just wanted to pass it along for everyone. Much better than I thought.

DEO: Signature Series 5W-40
Zinc: 1314ppm
Phos: 1206ppm
TBN: 10.1

ADO: Heavy Duty 5W-40
Zinc: 1108ppm
Phos: 1008ppm
TBN: 10.2

 

[BigJakeChevy]

Thank you! I had be meaning to email them too about this!

 

[BrocLuno]

Good to know

Wonder if they'll be on Fords revised oil list ...

 

[claluja]

Thanks for posting. Signature series looks like good candidate for Ford diesels.