I saw this at a local car show today. Thought some of you might be interested in it. It is a Model T speedster with a Robert Roof 4 valve per cylinder head on it. It is owned by Robert Roof's Grandson. The grandson is in his late 60's. Here is some more info he had on his Grandfather;
Thanks for posting the photos & info. That $1,600 race car in the sales literature has a supercharger. I'll post a photo once I locate the folder with my ROOF stuff.