The 1992 stock is used on the Central line in 8 car formations, it is also used on the Waterloo and City line with less carriages, though I don't remember if it was 4 or 6
And they didn't fix this plobrem why is 1992 stock on jubbile and 1996 stock on jubilee 1992 stock is supposed to be in central and 1996 stock needs to go in jubilee line we need mind the gap to fix this