It would help if the car was in nutreal and had the brake off. The other tire should spin in the same direction that you are turning the first one. In the situation you describe I believe the tire would turn in the opposite direction. I didnt think that lsd was an option, but I know that they could be had from AMG

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Bart
1987 300SDL-T
1985 190E 2.3-16
1978 240D
1957 220S(running one day, I hope!)