My guide of how this was accomplished:
http://16bitgamer.forumotion.ca/t3-s...-superfx-games
These are all real carts using official superfx chips running on a snes, these carts run fine on a stock snes.
Starfox 1 57 mhz:
Starfox 2 53.3 mhz:
No video yet:
Stunt race fx 53.3 mhz
Vortex 55 mhz
Doom is the only game I havn't managed to get going at super speeds.