|
|
|
#1
|
|||
|
|||
API CF and CF-4
Which is more stringent?
|
#2
|
|||
|
|||
CF-4 but the current spec is CI-4.
Cx-4 series is for heavy duty diesels, i.e. 18-wheelers & heavy equipment. CF is light duty diesels, i.e. diesel cars.
__________________
Brian Toscano |
Bookmarks |
|
|