64 Barracuda pace car?

Lefty71 said
Wonder if there is more info here?? possibly incorrect?? or multiple pace cars per track?? Thx for posting....

Daytona History | Daytona Pace Cars

Grand National racing back in day was the junior circuit and the Firecracker 400 was a July 4th tradition. I think the link is specifically for the Daytona 500 race which was earlier in the season. Looking to the NASCAR historians on that