I have no idea why I said the inside of the steer tube. And yes there are quill stems with removable faceplates, and they are ugly as hell. So it defeats the purpose of going through the trouble of getting a quill stem.
Whatever, do what you want to with your bike, but with all this work and money to get a threaded stem you could have just bought an actual vintage track frame like this
http://cgi.ebay.com/Vintage-Terry-Do...item3a5adb3d1f
But it's your money...