I was cleaning out my workshop last week and found 3 gals of unopened Delo ELC coolant . I think its about 2 yrs old, my question is does it have a shelf life? and is it still safe to use.
I've got a friend who wants to switch over and I thought I'd help him out, since he's helped me before.
I've got a friend who wants to switch over and I thought I'd help him out, since he's helped me before.