not forgotten . . .

Don Diffendorf

Kirkwood, NY
09.02.1929 - 21.04.2012

Known primarily for his success in modifieds, "Diff" also competed in the Oswego supermodified division in 1963 and 1964, finishing 19th and 12th in points during those years driving the former Dave Paul car # 10-10 upright. His best feature finish at Oswego was third on Aug 1 1964 behind Norm Mackereth and Leon Weiske and just ahead of Jim Shampine. Don begin his racing career at Five Mile Point Speedway in 1951, the year the track opened, and continued to race until his retirement in 1978.


1964 preliminary race win


Don was best known for his highly successful modified career in his always spotless S/360 machines.
around 1968

Mike Burley built model, Don's 1971 coach

January 1972 SCR cover, Don wins the '71 Labor day race on the Syracuse mile. This was the first modified to be featured on a SCR cover.

  driver links
  • Great article By Jeff Ackerman covers Don's entire racing career.
  • A page from
  • please links, stories or images so we can all remember Don Diffendorf.
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