I heard it discounted and out of hand discounted the one arm bandit test is marketing only. There was a recent reference to them and i forgot the scientific reason there tests were invalid.
Unles they were cheating by using hardened or silicone impregnated steel for the prefered oil sample vs two steels that love to gall each other for the rest i would think this is a comparison of oils ability to reduce wear.
Unles they were cheating by using hardened or silicone impregnated steel for the prefered oil sample vs two steels that love to gall each other for the rest i would think this is a comparison of oils ability to reduce wear.