55.2-59 column advice old oem different year?

[Missyblue]

Hey I was wondering if anyone could advise me. trying to locate an oem column and looking for options. has anyone used a 1970's gm van column supposedly has tilt and key on dash still which would be cool. I can't seem to.find good info on when they switchswitched to key on column? and also what year the mounting to the dash really changed? like the idea of using an old column vs a $800 ididit and scared from what I have read on safety concerns on the other reproduced and possibly Chinese columns.

curious if you have used any 70's or 80 or 90s van or truck columns and found them fairly adaptable. also rreally want to keep the original steering wheel.
thanks!