Vinegar will only fiz on deposits. Have an old Petter PH1 here that an Amish used for 30 years to power the milker vacuum pump. The Amish must have been using just an open barrel as a radiator. The cylinder head was plugged solid with only one small passage from the cylinder block to the coolant outlet on the head. Cylinder block was little better. It took several soakings. Three days at a time in Muratic acid to loosen the lime, calcium, mud, manure, dust, and livestock feed. And several sessions of poking into the water passages to chisel the deposits out. Used the sand blaster as well on some stubborn un-reachable corners. Near as can be told. The only cooling the engine had was the thermal inertia of the castings and oil splash with heat radiated off the sides of the crankcase.
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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