I have a client who mixes 15w40 and straight 40 oil together in equal doses. Brings it to me when I service his vehicle, Hyundai Ldv diesel.
What is the point and does anyone else do this?
My client swears by his 'grade'.
I cannot see the point of doing this at all.
What is the point and does anyone else do this?
My client swears by his 'grade'.
I cannot see the point of doing this at all.