I was just going by what I observed on my car. It has it's born with reg dated 8L (dec of 68) on my 02B car built on feb 13th. I figured a month prior is good.
Hope this works, All measurements were taken from either the centerline of the tunnel or from the seam where the cowl to floor meets (bottom of blue tape)
The rad support baffles are the same for Coupe RS/ Std headlight cars BBC, SBC or 6cyl. There are different ones for convertibles due to the cocktail shakers. These are for the converts
Tina, Sorry to hear about Rons passing. Ware Mass is one town away form me. It's a small town. I know nothing about that dealership as it may have been gone for a long while (I was born in 1970). I will ask some older guys when I get to some shows to see if anybody knows anything about it.