Anti-Freeze Solutions
Either the alcohol-base or ethylene-glycol base anti-freeze is recommended for use in your Studebaker. Be sure the brand you select contains a rust inhibitor. Do not use an anti-freeze preparation which contains salt, sugar, calcium chloride, soda, or petroleum base compounds.
Reputable anti-freeze companies supply their dealers with charts showing the amount of anti-freeze to use for protection to various anticipated temperatures, depending upon cooling system capacity given on [page 53].