This popped up in my feed on FB.....looks to be very nice.
https://www.facebook.com/marketplace/item/1456732368826506/?ref=browse_tab&referral_code=marketplace_top_picks&referral_story_type=top_picks
I have no direct experience but, in the Jeep world a lot of people swear by the Autolite 2100/2150.There is a lot of support.
https://www.motortrend.com/how-to/rebuilding-a-motorcraft-2100/
Just the camera....that photo was taken with an old Canon digital, not my newer iPhone. The bottom plates are 5/8 in thick and are attached to 3/4-10 x 6 1/2" epoxy anchors rated at 46,000 lbs tensile strength each.I assure you that those posts aren't going anywhere.
The PO might have put a time limit on all this...we don't know.Tires aren't going to do much if you don't free up the brakes/hubs, ect. This could all have been staged for YouTube effect, but I tend to think not.
Cut him some slack guys...he has a 1977 T&C,a 1977 Newport, a 1973 Fury and this 1969. Our hobby needs more young folks in it and this guy definitely has the sickness.
I have had a Danmar MaxJax for years now.It works perfectly and the portability is fantastic.If you run into a used series 1 MaxJax by all means buy it.It will work great with your ceiling height.The new ones have a lot of improvements but are quite expensive.