Use – 1/2 bottle in a small cooling systems, such as 4 cylinders with no A/C. Use 1 bottle for regular size systems, which are most 4, 6, 8 and 10 cylinder engines. For larger systems, use 1 bottle for every 6 gallons of cooling system capacity.
Use – 1/2 bottle in a small cooling system, such as 4 cylinders with no A/C. Use 1 bottle for regular size systems, most 4, 6, 8 and 10 cylinder engines. For larger systems, use 1 bottle for every 4 gallons of cooling system capacity.