| | Heat | Dash | B Feature | A Feature |
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2/6/1974 | Plant Field - Tampa, FL | Results | Jan Opperman (410 Sprints - Non-Winged) | - | - | - | 1st |
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2/9/1974 | Plant Field - Tampa, FL | Results | Jan Opperman (410 Sprints - Non-Winged) | - | - | - | 1st |
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2/10/1974 | Plant Field - Tampa, FL | Results | Jan Opperman (410 Sprints - Non-Winged) | - | - | - | 1st |
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2/13/1974 | Plant Field - Tampa, FL | Results | Jan Opperman (410 Sprints - Non-Winged) | - | - | - | 2nd |
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2/16/1974 | Plant Field - Tampa, FL | Results | Jan Opperman (410 Sprints - Non-Winged) | - | - | - | 10th |
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3/24/1974 | Reading Fairgrounds - Reading, PA 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | Jan Opperman (305 Sprints - Non-Winged) | - | - | - | 2nd |
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3/31/1974 | Eldora Speedway - Rossburg, OH 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | Jan Opperman (305 Sprints - Non-Winged) | - | - | - | 1st |
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4/6/1974 | Reading Fairgrounds - Reading, PA 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | Jan Opperman (305 Sprints - Non-Winged) | - | - | - | 3rd |
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5/8/1974 | Midwest Speedway - Lincoln, NE | Results | Jan Opperman (410 Sprints - Non-Winged) | - | - | - | 2nd |
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5/24/1974 | Indiana State Fairgrounds - Indianapolis, IN 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | Jan Opperman (305 Sprints - Non-Winged) | - | - | - | 28th |
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5/29/1974 | Midwest Speedway - Lincoln, NE | Results | Jan Opperman (410 Sprints - Non-Winged) | - | - | - | 2nd |
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6/12/1974 | Midwest Speedway - Lincoln, NE | Results | Jan Opperman (410 Sprints - Non-Winged) | - | - | - | 1st |
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7/3/1974 | Reading Fairgrounds - Reading, PA 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | Jan Opperman (305 Sprints - Non-Winged) | - | - | - | 9th |
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7/6/1974 | Williams Grove Speedway - Mechanicsburg, PA 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | Jan Opperman (305 Sprints - Non-Winged) | - | - | - | 20th |
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7/13/1974 | Eldora Speedway - Rossburg, OH 410 Sprints - Non-Winged: USAC National Sprint Cars 305 Sprints - Non-Winged | Results | Jan Opperman (305 Sprints - Non-Winged) | - | - | - | 10th |
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7/31/1974 | Midwest Speedway - Lincoln, NE | Results | Jan Opperman (410 Sprints - Non-Winged) | - | - | - | 1st |
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8/6/1974 | Midwest Speedway - Lincoln, NE | Results | Jan Opperman (410 Sprints - Non-Winged) | - | - | - | 1st |
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8/10/1974 | Knoxville Raceway - Knoxville, IA | Results | Jan Opperman (410 Sprints - Non-Winged) | - | - | - | 2nd |
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8/16/1974 | Fairmont Raceway - Fairmont, MN | Results | Jan Opperman (Silver Crown) | - | - | - | 1st |
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8/23/1974 | Williams Grove Speedway - Mechanicsburg, PA | Results | Jan Opperman (305 Sprints - Winged) | - | - | - | 3rd |
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9/7/1974 | Indiana State Fairgrounds - Indianapolis, IN Silver Crown: USAC Silver Crown | Results | Jan Opperman (Silver Crown) | - | - | - | 19th |
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9/14/1974 | Devil's Bowl Speedway - Mesquite, TX | Results | Jan Opperman (410 Sprints - Non-Winged) | - | - | - | 1st |
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9/21/1974 | Lincoln Speedway - Abbottstown, PA | Results | Jan Opperman (410 Sprints - Winged) | - | - | - | 5th |
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9/22/1974 | Williams Grove Speedway - Mechanicsburg, PA | Results | Jan Opperman (305 Sprints - Winged) | - | - | - | 4th |
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10/6/1974 | Williams Grove Speedway - Mechanicsburg, PA | Results | Jan Opperman (410 Sprints - Winged) | - | - | - | 8th |
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11/2/1974 | Phoenix International Raceway - Phoenix, AZ | Results | Jan Opperman (Midgets) | - | - | - | - |
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