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Old 06-20-2012, 06:45 PM
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Accurate way to test Coolant/Antifreeze 50/50 mix

Does anyone ever use the Prestone Antifreeze Tester? Or the Peak Tester?
I just flushed my 2005 V10 and looking to make sure that I have a good 50/50 mix.
Is there a more accurate way to test it?
Thanks ~Gage~
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Old 06-20-2012, 07:57 PM
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Quote:
Originally Posted by Gage2502 View Post
Does anyone ever use the Prestone Antifreeze Tester? Or the Peak Tester?
I just flushed my 2005 V10 and looking to make sure that I have a good 50/50 mix.
Is there a more accurate way to test it?
Thanks ~Gage~
I use the Prestone tester. Never had any issues.
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Old 06-20-2012, 09:18 PM
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I use the Prestone tester. Never had any issues.
Ditto! What he said....

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Old 06-21-2012, 03:42 PM
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Thanks guys....
Ok so heres what I found with the testers I used the Chaslyn Small Anti-Freeze Tester, & the Prestone one. The Chaslyn I got all 5 ***** floting but the fifth one not as high as the others, the Prestone I got a +268 -45 reading on it.
Also I need to top it off about a 1/2 gal? was going to mix the Motorcraft Coolant and Distilled water 50/50, but the Motorcraft I have is a open 3/4 full gallon thats about 5 years old, its been in sitting in the truck box all that time is it still good to use?
Also I tested it by draining about 1 cup, and by the expansion tank.
Thanks ~Gage~
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Old 06-21-2012, 04:48 PM
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Originally Posted by Gage2502 View Post
Thanks guys....
Ok so heres what I found with the testers I used the Chaslyn Small Anti-Freeze Tester, & the Prestone one. The Chaslyn I got all 5 ***** floting but the fifth one not as high as the others, the Prestone I got a +268 -45 reading on it.
Also I need to top it off about a 1/2 gal? was going to mix the Motorcraft Coolant and Distilled water 50/50, but the Motorcraft I have is a open 3/4 full gallon thats about 5 years old, its been in sitting in the truck box all that time is it still good to use?
Also I tested it by draining about 1 cup, and by the expansion tank.
Thanks ~Gage~
Gage, I would test it with your testers. See what you get. Most of what I could find using "coolant shelf life" said 1-2 yrs and some said 5+ yrs. I would say that if you can afford to get some new then go that route and maybe save this for an emergency. If you can't afford new then add it.
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Old 06-21-2012, 04:58 PM
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Thanks Ya I still have a left over new gallon from this flush, but wanted to keep that as a spear. I didnt want two open 1/2 gallons.
Thanks ~Gage~
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Old 06-21-2012, 04:58 PM
 
 
 
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