10w-20w-40

[mjoekingz28]

What does this mean? I saw it on an old can. Probably from the seventies.

 

[crazyoildude]

Was it on an old quaker state can??
Yes from the 70's

 

[mjoekingz28]

No

 

[Shannow]

no-compliant with modern J300 labelling requirements.

 

[Stelth]

Maybe it was to satisfy proto-BITOGers who would say, "But I can't use a 10w-40! My owners' manual says 20w-40."