“I have no ability or qualification to rate the oil. The oil seems to work, my engine has not seized.
What I will say is that this bottle has only a pathetic 1 or 2 inch pull-out nozzle. If you don't have a funnel, make sure you have a lot of patience and accurate targeting when pouring this in.
Remember Duckhams? We used to be able to buy that stuff, it had a nice long neck on it.”