"pipedown" wrote in message
. ..
There is at least 2 inches of solid wood at the top and bottom of the door
which can be trimmed. Try pinching the door in the store or use a stud
finder to determine the exact cutoff limits.

I just went and checked the new 80-inch hollow core doors. There is a
1-inch solid core across the top and a 3/4-inch solid core across the
bottom. That's it. I was surprised myself.