can heater core be sneaked out on 88 190 2.3

[olpos]

is there an easier way to replace heater core on this 190 than pulling the whole dash.
one can only wish.
on a 67 chevelle i could do r,r in 30 minuites by drilling out i bolt.
car did not have ac though,
hey, its worth asking. on a thread from a week or two ago some one did ac evap from under the hood by going under the wiper motor area

thanks rich