It depends on your system. Gpu/cpu memory etc.
Make sure flight simulator properties has - disable full screen optimisations ticked- gets rid of stutters.
Use nvidia driver 457.30
Open XR 70
Nvidia settings
Power max performance
Texture filtering anisotropic off
Low latency on
Texture filtering negative old bias allow
Texture filtering quality
Trilnear optimisation on
Threaded optimisation on
Vertical sync fast
Then use 100 res in sim
TAA
All other settings just alter to get best performance
Don’t give up on VR. Never go back to pancake mode!