![nascarman on X: "June 21, 1981: The unusual IndyCar Pocono 500. To make up for a small field, the event was a combination race between Indy cars and USAC Silver Crown sprint nascarman on X: "June 21, 1981: The unusual IndyCar Pocono 500. To make up for a small field, the event was a combination race between Indy cars and USAC Silver Crown sprint](https://pbs.twimg.com/media/E4aBM8RXwAA8UDg.jpg:large)
nascarman on X: "June 21, 1981: The unusual IndyCar Pocono 500. To make up for a small field, the event was a combination race between Indy cars and USAC Silver Crown sprint
![Stuart Dent on X: "The 1981 Pocono 500: one of the oddest oval races of modern times! A mix of #IndyCars & dirt-trackers... 😳 🇺🇸 #USAC https://t.co/ztsFbC8hrS" / X Stuart Dent on X: "The 1981 Pocono 500: one of the oddest oval races of modern times! A mix of #IndyCars & dirt-trackers... 😳 🇺🇸 #USAC https://t.co/ztsFbC8hrS" / X](https://pbs.twimg.com/media/CgqsYB7WIAAlz65.jpg)
Stuart Dent on X: "The 1981 Pocono 500: one of the oddest oval races of modern times! A mix of #IndyCars & dirt-trackers... 😳 🇺🇸 #USAC https://t.co/ztsFbC8hrS" / X
![Danny Ongais - Interscope 81 Cosworth TC - Interscope Racing - Indianapolis 500-Mile Race - 1981-82 USAC Gold Cro… | Indy cars, Indy car racing, Classic racing cars Danny Ongais - Interscope 81 Cosworth TC - Interscope Racing - Indianapolis 500-Mile Race - 1981-82 USAC Gold Cro… | Indy cars, Indy car racing, Classic racing cars](https://i.pinimg.com/736x/97/ba/c4/97bac4c398e433852a242a62675be1ba.jpg)
Danny Ongais - Interscope 81 Cosworth TC - Interscope Racing - Indianapolis 500-Mile Race - 1981-82 USAC Gold Cro… | Indy cars, Indy car racing, Classic racing cars
Champagne + Slicks on Instagram: "One of the strangest races of all time occurred at the 1981 Pocono 500 when IndyCars went head to head with Silver Crown cars. USAC had brought
![Pocono Int'l Raceway NASCAR Auto Race Program 7/26/1981-Mountain Dew 500-Richard Petty, Richard Childress-G: (1981) Photograph | DTA Collectibles Pocono Int'l Raceway NASCAR Auto Race Program 7/26/1981-Mountain Dew 500-Richard Petty, Richard Childress-G: (1981) Photograph | DTA Collectibles](https://pictures.abebooks.com/inventory/31433054778.jpg)
Pocono Int'l Raceway NASCAR Auto Race Program 7/26/1981-Mountain Dew 500-Richard Petty, Richard Childress-G: (1981) Photograph | DTA Collectibles
![Weird bit of racing history, in 1981 CART banned their teams running the USAC's Pocono 500 so they just filled the field with Silver Crown Cars, which are considerably slower. - iFunny Brazil Weird bit of racing history, in 1981 CART banned their teams running the USAC's Pocono 500 so they just filled the field with Silver Crown Cars, which are considerably slower. - iFunny Brazil](https://imageproxyb.ifunny.co/crop:x-20,resize:640x,quality:90x75/images/850b48196fa0932cfce3a384eb7d0e0a93a3f5ab723e8130840622db2a3567f0_1.jpg)
Weird bit of racing history, in 1981 CART banned their teams running the USAC's Pocono 500 so they just filled the field with Silver Crown Cars, which are considerably slower. - iFunny Brazil
![NASCAR Cup Series at Pocono: There's just one race for the first time since 1981 – The Morning Call NASCAR Cup Series at Pocono: There's just one race for the first time since 1981 – The Morning Call](https://www.mcall.com/wp-content/uploads/migration/2022/07/14/3BKGET7F346JCVB3RA53NXXLWA.jpg?w=1024)
NASCAR Cup Series at Pocono: There's just one race for the first time since 1981 – The Morning Call
![1980-present IndyCar races (partially found footage of USAC, CART, and IRL races; 1980-present) - The Lost Media Wiki 1980-present IndyCar races (partially found footage of USAC, CART, and IRL races; 1980-present) - The Lost Media Wiki](https://lostmediawiki.com/w/images/9/95/1980tonybettenhausen2001.jpg)