Sig Haugdahl and the Wisconsin Special
Editors Note: A relative of Sig is currently looking for the Wisconsin Special, it’s known to still exist as of 2008. If you have any information please contact me via the email address in the footer of the website. In 1922 Sig Haugdahl (Sigurd Olson “Sig” Haugdahl) built a car with an aluminium 836 cu. in. (13.7…