I know a club in Cedar Rapids Iowa that would love to have lunch or dinner with him if he makes it though Iowa on his trip. probably even get a few cars to travel a ways with him
The best answer I've given to the question "how fast does it go" and this doesn't matter weather it be on two wheels, four, or has wings, is "Fast enough to scare you"
I'm pretty sure there were paint and body shops in the 1930s just like today, if you want your car another color you could get it painted then just as today. It's your car, you will be the one driving and showing it off. Paint it whatever color you want and enjoy it.
nice looking car. I am a flyer too with time in several old airplanes from cubs, champs, taylorcrafts, T-6s, and even a pietenpol powered by a 40hp model A engine
Are you ever done? there's always one more thing you can do, or go back and redo because it was one of the first things you did and now its time to redo it. and if you ever do get it just perfect you will then be on the look out for your next one.