Sigurd Olson "Sig" Haugdahl (January 10, 1891 – February 4, 1970) was an IMCA "Big Car" (now sprint car) champion 1927 – 1932 and an early promoter of stock car racing in the United States.
Sigurd Olson "Sig" Haugdahl (January 10, 1891 – February 4, 1970) was an IMCA "Big Car" (now sprint car) champion 1927 – 1932 and an early promoter of stock car racing in the United States. (en)
Sigurd Olson "Sig" Haugdahl (January 10, 1891 – February 4, 1970) was an IMCA "Big Car" (now sprint car) champion 1927 – 1932 and an early promoter of stock car racing in the United States. (en)