npub1u5psek0yjnc5t4ljd9nauzdsyg3fz4rnx0ffx22xdqqnrut9434q4wuljc (npub1u5p…uljc) 240/360 worked on regular FEP. I've heard of people managing 300 lift speeds on regular FEP, but much more than that needs ACF I suspect.
FWIW Anycubic recommend 360/360 on their ACFed printers.