Hello again. The puzzle asks for the cars builder.
I saw this puzzle earlier this week, and today I got a car magazine with a reprint of an article from 1922 refering to Sig Haugdahl and his Speed record car. I recognized the puzzle and posted a reply.
The name Wisconsin is mentioned, maybe name of the car or the engine?
Also referred is a list over speed records, Haugdahls car competing aganst Milton in Dusenberg and De Palma in Packard. Also a picture of Haugdahl in the car. No other drivers are mentioned. Maybe the builder did other record attempts later, and also hired others to drive the car?
This all I have for now.