The Latest Quest – My NEW ’78 GMC Birchaven 23′ Motorhome
GMC Motorhome Background From 1973 to 1978, GMC made the only “in-house” motorhome built by a US car manufacturer. During that time, there were almost 13,000 made. There is a GMC Registry that’s regularly updated that has identified a few over 9,000 units (June, 2024). GMC made two sizes of the motorhome, a 26′ and […]
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