Dehumidified Defrost needed?

On an unrelated note, and I don't remember why "Stude," but you could back in the days of "real Jeepers" --you could adapt a Stude 3 speed overdrive unit to the rear of a Jeep transfer case. With the old WWII an 50's Jeeps which were SO lo geared (some with 5.38's) the Stude OD would give you RWD only overdrive for highway travel. "Rancho" overdrive
https://www.thecj2apage.com/forums/transfer-case-with-a-studebaker-overdirive_topic37254.htmlT-90-D-18-and-B-W-overdrive.jpg

Garry, the jeep, and son in 70's. This was likely at Mose Lake WA sand dunes. Before the cage was built. Likely had a 327 in at this time. The "later" rendition last I know had a GM V6. He had a 350 in it at some point
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More recent times and countless rebuilds Notice the small headlights. This is not a civilian Jeep. The headlights are same size as our Mopar "quad" lamps. Note original blackout lamp, shovel and axe mounts. Amber turn signals are just simple old truck clearance lamps