https://www.yenko.net/ubbthreads/ubbt...768&page=3
I've not seen any later literature, but there is this 1974 listing that Dan Reimer shared a little while back. Notice how they go up to 1972 on some cars. Funny how the Nova stops at 1971.
Not that you have to rock the NMW style, as there were probably more homemade used than NMW. Do you have any pics of tabs on a Vega? I can't seem to find any quickly