Lubegard Heavy Duty Coolant Additive

Never used it. Reading between the lines of the tech data sheet, I get the impression that it is a SCA additive normally designed for coolants like Zerex Green that recommend SCA additive for diesel engine use. With the refined chemical make up of today's modern coolants, I personally would not use it for fear that it might mess up the well-designed chemical formulation.

Just my biased opinion.
 
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