Not sour grapes at all.
It's a nice car.
And we've had this discussion before.
See post 9 and link.
https://www.69roadrunner.net/mopar/threads/1969-plymouth-road-runner-real-a12-m21.17953/#post-198349
But, the original engine is gone?
And I would think if there was a build sheet, it would say so.
So who is making fender tags with no build sheet?
It can't be the guy I thinking of.
I used him and he will not do that, as I recall
However, I suspect I know who is making one for the car.
And I'm not saying there may be anything "wrong" with it.
But after 25 years of watching this stuff I get the feeling it's all a big game based on who is in the club.