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Mixing radiator fluid?

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Old Dec 14, 2014 | 01:30 PM
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Default Mixing radiator fluid?

can these fluids be mixed? and I don't have Harley radiator fluid, can I use Prestone or something other then Harley brand for the purpose of mixing?
 

Last edited by 30glock; Dec 14, 2014 at 01:53 PM.
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Old Dec 14, 2014 | 02:19 PM
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I would ASSUME any of the new eco friendly whatever orange ones would work.... but I don't like to assume. I honestly can't see them formulating a new coolant for these bikes, but I don't have a hard answer.

But price wise, the HD stuff isn't out of line...

My recommendation would be to go buy a gallon of the HD coolant...
 
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Old Dec 14, 2014 | 05:49 PM
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This was discussed at length some time ago. I believe that it was determined that Peak Global Lifetime coolant was what HD was using. If I recall, someone got confirmation from the company that makes Peak on that. Regardless, a gallon of coolant should last a long time.
 
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Old Dec 14, 2014 | 07:05 PM
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OP - This post might interest you.


https://www.hdforums.com/forum/new-r...d-motor-3.html
 
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Old Dec 14, 2014 | 10:00 PM
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just remember unlike the old days -- not all anti freeze compounds can be mixed --

they can turn into a gooey mess and tough to clean out
 
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Old Dec 15, 2014 | 09:15 AM
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Originally Posted by 14GuineaPig
Thanks for the Link.
 
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