I don't like the Mr Norm's 71 Cuda grille, but I do like the HXC version.
Regarding the 70 Cuda grille, no go. I talked to the brains behind the Mr Norm's group and asked him about doing a 1970 version. He said no way because of the 2 headlight vs. 4 headlight issue. It would cost them more to get the DOT to approve the modification than their company makes in a year.