Irwindale 1970 Irwindale 1972 Irwindale 1973 Irwindale 1974 Irwindale 1975 Irwindale 1976 Irwindale 1977
Irwindale
1975
| March 7 & 8, 1975 International Championship Series Costa Mesa and Irwindale
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| April 17, 1975 | |||
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| April 24, 1975 | |||
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| May 1, 1975 | |||
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| May 22, 1975 | ||||
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| May 29, 1975 | ||||
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| June 19, 1975 | ||||
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| July 3, 1975 | ||||
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| July 17, 1975 | ||||
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| August 21, 1975 | ||||
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| September 11, 1975 | ||||
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From the Guy Waterson Collection