Thread: Coolant for Aluminum Heads and Radiator
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Old 07-09-2016, 03:57 PM   #1
jack orchard
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Join Date: Jun 2011
Location: summerfield florida
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Default Coolant for Aluminum Heads and Radiator
Should I use Ethylene-Glycol, Propylene Glycol, or HOAT (Zerex G-05) in my flathead with some aluminum parts?
Many thanks to all.,...jack
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