I'll add this update. Driving that same 428 powered Cobalt that Todd Frantz drove to the 2019 US Nats GT/FA class win, at this year's US Nats, Irvin Johns drove to the GT/EA win. It was an All-Pontiac final, against Stacy McCarty's 3rd gen GT Bird.
Johns qualified #20, with a 9.144.
https://www.dragracecentral.com/DRCS...r2021#indextop
Also, here's a short video interview of Don Kennedy, with his 428 Pontiac powered GT/EA Sunfire.
http://classracer.com/classforum/sho...98&postcount=6