
BY James Gilboy—The 1973 GMC Motorhome was—and still is—a sight on the road today. And because it was the early ’70s, we had a different notion of what was okay to spray into the atmosphere as you drive. Like sewage, which a factory option allowed this GMC to do.
Continue reading #VINTAGE/RV: GMC Made a Motorhome That Pumped Sewage Through Its Exhaust on Purpose