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| 4/24/2021 | I-35 Speedway - Winston, MO Good Shepherd Hospice Night at the Races with SMVR Hobby Stocks, Midwest Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Lightning Sprints, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jeff Siler (Vintage Full Body Stock Cars) | 4th | - | - | 10th |
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| 5/29/2021 | I-35 Speedway - Winston, MO Casey's General Store Night at the Races With SMVR Hobby Stocks, Midwest Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jeff Siler (Vintage Full Body Stock Cars) | 5th | - | - | 4th |
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| 6/5/2021 | Central Missouri Speedway - Warrensburg, MO Race #9, Joslin’s Jewelry Race Night, Weekly Racing #7 Hobby Stocks, A Modifieds, B Modifieds, Vintage Full Body Stock Cars, Super Stocks | Results | | Jeff Siler (Vintage Full Body Stock Cars) | 3rd | - | - | 17th (DNF) |
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| 6/19/2021 | I-35 Speedway - Winston, MO Pro-Ag "Finish Strong Mike Tanner Memorial" Night With SMVR Hobby Stocks, Midwest Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jeff Siler (Vintage Full Body Stock Cars) | 1st | - | - | 7th |
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| 7/3/2021 | I-35 Speedway - Winston, MO Dixon Construction Concrete Night With "Show Me Vintage Memorial" Hobby Stocks, Midwest Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Lightning Sprints, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jeff Siler (Vintage Full Body Stock Cars) | 7th | - | - | 11th |
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| 7/17/2021 | Valley Speedway - Grain Valley, MO Thunder in the Valley National Powri Midgets/Powri WAR Sprints series Midgets: POWRi National Midgets with POWRi West Midgets, POWRi Non-Winged Sprints: POWRi WAR Sprints Sportsman Sprints | Results | | Jeff Siler (Sportsman Sprints) | 9th | - | - | 6th |
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| 7/31/2021 | Lucas Oil Speedway - Wheatland, MO Weekly Show #12- Fan Appreciation Night Presented by The CW Ozarks/O-zone Dirt Late Models, Vintage Full Body Stock Cars, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jeff Siler (Vintage Full Body Stock Cars) | 3rd | - | - | 3rd |
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| 8/13/2021 | I-35 Speedway - Winston, MO Smokin' Trackside BBQ Bash - Vintage Car Special Hobby Stocks, Midwest Modifieds, Vintage Full Body Stock Cars, Vintage Modifieds, Sport Compact | Results | | Jeff Siler (Vintage Full Body Stock Cars) | 3rd | - | - | 10th |
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| 8/14/2021 | I-35 Speedway - Winston, MO Smokin' Trackside BBQ Bash Seeburg Muffler Night With Vintage Car Special Hobby Stocks, Midwest Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Vintage Modifieds, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jeff Siler (Vintage Full Body Stock Cars) | 4th | - | - | 9th |
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| 8/28/2021 | Valley Speedway - Grain Valley, MO CARB night Richmond Gear points night at Valley Speedway Sportsman Sprints, Hobby Stocks, Midwest Modifieds, IMCA Northern SportMod, IMCA Stock Car, Mod Lites | Results | | Jeff Siler (Sportsman Sprints) | 4th | - | - | 4th |
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| 9/11/2021 | I-35 Speedway - Winston, MO Generational Buildings "CARB Night" at the Races With SMVR Hobby Stocks, Midwest Modifieds, Dirt Late Models, Non-Winged Sprints, Vintage Full Body Stock Cars, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jeff Siler (Vintage Full Body Stock Cars) | 4th | - | - | 9th |
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| 10/9/2021 | I-35 Speedway - Winston, MO Metcalf Carstar Night at the Races With SMVR Hobby Stocks, Midwest Modifieds, Dirt Late Models, Vintage Full Body Stock Cars, Sport Compact, USRA B-Mods, USRA Modifieds, USRA Stock Cars | Results | | Jeff Siler (Vintage Full Body Stock Cars) | 4th | - | - | 8th |
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