Have you installed the v24.1.1 driver? If you turn on AFMF both in the general section and the game specific MSFS section it should stay on. He’s a link on how I did it. Turn on AMD Frame Gen
Don’t cap it - turn vsync off in the sim (or maybe leave it on at 100% of monitors refresh rate).
Edit: Also turn on all 4 of these parameters in Windows:
