Lucas Response To Zinc Additive

LordyABod340 said
"zink" <-----???????

Locomotion said
There was a discussion about zinc a while back where someone posted a comparison between a ppm number and a .xx number so it would be easier to compare the oil in question. I just don't recall what it was or how to figure it out.

1 ppm = 1 part per million so 1200 ppm works out to:

1200 /1,000,000 = 0.0012

0.0012 x 100 = 0.12%