OK, if you decide to have your guy cut the vent hole, 1rippen6 put pictures of a couple of them on my thread and I bought just one of them.
https://67-72chevytrucks.com/vboard/...d.php?t=826584
And Willys_MB has one listed here
https://67-72chevytrucks.com/vboard/...d.php?t=827677
The guy I gave you a lead for and that I PM'd you about had an A/C dash, but that's Facebook and would be a purchase off this forum, so I don't know if it's a scam (like most other things on Facebook).