Hi folks,
Starting to prep the boat for winter, and was out shopping for engine oil but having a hard time finding the right stuff. The PO specified "Castrol SAE 30 Diesel", but Canadian Tire does not sell that. All I could find there were synthetic oils marked as being for diesel, but I'm reluctant to go with that. Closest I could find is Penzoil SAE 30 , but the container does not specify whether for gas or diesel. Does anyone know if this oil would work for the Westerbeke? Of course, when I asked the parts guy he assured me that any old 10W-30 would work, but I don't know....