Didn't buy mine from Summit as I'm a VA dealer, but I used one in a '52 3/4ton GMC. Nice and small fits up under the dash and puts out plenty of heat and airflow.
I looked for some pictures of the truck, but I don't have any that showed the unit installed.

Old Crow

1954 Chevy Panel Truck
In the Stovebolt Gallery

Old truck pictures

Vince's Vintage Vehicles--Restoration in the Ozarks

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