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Old 01-25-2018, 06:05 PM   #9
40 Deluxe
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Join Date: May 2010
Location: now Kuna, Idaho
Posts: 3,779
Default Re: Best Anti-Freeze

Quote:
Originally Posted by Purdy Swoft View Post
When I used the coupe as a daily driver I used Prestone antifreeze. It almost never goes to zero here . You would need to use a tester to determine the ratio of water to antifreeze . I used one gallon of Prestone with two gallons of water. I only used antifreeze in winter .Antifreeze raises the boiling point but doesn't raise the cooling ability . Modern cars need to run at higher temps than the primitive cooling system of the model A .
If you're running plain water in the summer, you have a self-propelled rust factory!
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