Ya, very true. I was researching the FC7 (Plum Crazy) 1971 Demon breakdown information around the internet, and this is what I came up with:
9.5% of 66125 1971 Demons were Plum Crazy, which = 6282 Plum Crazy 1971 Demons made.
959 1971 Demon 340's were Plum Crazy, which = 5323 Plum Crazy non-340...