FPS toggling tools didn't completely solve preventing random frames during vigi om0 setups due to cycles. This doesn't exist in GTA:VC and would be a great QoL change even if it required some game file modifications.
I think that the FPS cap did plenty enough to make runs at least fairly consistent. SA is a different game from VC, and not everything will be the same. Game file modifications are probably a hard no from the mods, and FPS capping changed the run enough.
The GTA:SA community has been deteriorating over a long period of time. Many top runners are not currently present on the leaderboard. This issue has not been seriously addressed yet, but an attempt will be made to remedy it now.
As of this news post, the San Andreas leaderboard will function in
