What I recommend are not just FS2020 settings, but also:
And:
Also, even if the 3090 is much much more powerful than a 2070S, setting everything to ULTRA is probably not the best option to try first in VR. What I’d suggest is that you instead incrementally grow your settings from at least a known base which is guaranteed to be working fine with the 2070S. In other words: start from my published settings and raise a few at a time, paying attention to my “comments” column for additional and specific information.