Quote:
Originally Posted by IronCanine
That is really helpful. Thanks for these pics. I would assume they are genuine GM. Especially the 1970 one.
It seems reasonable to me that:
1)The original 69 grill inserts could have been monochromatic (all silver)
2)Later, GM replacements were all made from the same mold (with 1970 style notches)but painted as pictured above according to YM desired
3)A Repro manufacturer just copied one of these later two tone replacement GM parts-omitting one of the notches
4)The stamping on the outer grill "bar" and the "blocked off" style paint lateral to the parking lights was the later version and carried on in the parts supply
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From my observations, I would say the '69 inner grilles were not monochromatic but rather like the top grille in the first picture in post 20. Below is a re-post of the last picture in post 17 showing where I believe the exposed portions originally were black.
Also, as I suggested in post 23, I believe the original molds were different relative to the raised portions of the horizontal ribs.