[Lockbox]

Interesting find. If you like big Ford V8’s

Banned At Le Mans: The Ford Calliope V8 - What Could Have Been, What Will Be!

https://m.youtube.com/watch?v=FuE6YtivHKg

[shotgun]

Ultimately GM’s control of NASCAR killed off the 426 HEMI and 427 SOHC engines, and stepped in again when FORD started dominating NASCAR again in the 80’s with the restrictor plate rule.