Hi, I'm Bob and I'm trying to breathe new life into my late dad's 1946 Model H Whizzer. He bought the engine new (have the instruction manual and a 1946 NJ Bill of Sale) and installed it on a LaFrance balloon tire bike. Haven't gotten around to identifying the age of the bike yet. I just posted a couple pics of the Whizzer as I got it out of storage in the basement.
Pix at the time I found the Whizzer in mothballs: