I don't think there is any one answer. What qualifies as a Model T? At one end of the spectrum you have those Model Ts that are more or less in their origional form, licensed and driven frequently. At the other end are those just this side of a spare parts collection. In between are the...
The vaporizer came with the car and I kept it when I built the speedster because it's a neat conversation item. No sides on the hood so it's visible. Seems to run OK.