We all know the Eaton H0x2 axle had a long life. Over that time period, the drums were switched from smooth to finned. Does anyone know if those later finned drums are the same diameter/depth as the older smooth drums? Were there drum size differences between H052 and H072 axles? If the finned drums are deeper, will they cause tire fitment problems on a '54 if the later brake parts are retrofitted? Am I nuts for even thinking about this?


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1954 GMC De Luxe COE