Coolant 50/50 mix help
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Tuned
Joined: May 2009
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Coolant 50/50 mix help
So my truck reached 150k miles and I decided to do a coolant flush as indicated in the maintenance schedule. I know I was supposed to do it at 100k. So it came from ford with Orange coolant. I emptied both primary and secondary, and filled with distilled water. Ran truck for a week. Then drained and filled again with distilled. Ran for another week. Finally last cycle I drained, replaced all thermostats, and filled with Yellow coolant.
Question, since I was only able to drain 6 qt at a time for the secondary, and about 20 qt at a time for the primary, how do I know if my coolant mixture is 50/50? Since some of the coolant remained in the engine and the concentration of it is unknown, when I added 50/50 yellow coolant, it would dilute to less than 50/50.
What is the best way to verify I have 50/50 in there?
Question, since I was only able to drain 6 qt at a time for the secondary, and about 20 qt at a time for the primary, how do I know if my coolant mixture is 50/50? Since some of the coolant remained in the engine and the concentration of it is unknown, when I added 50/50 yellow coolant, it would dilute to less than 50/50.
What is the best way to verify I have 50/50 in there?
Senior User
Joined: Aug 2017
Posts: 202
Likes: 101
So my truck reached 150k miles and I decided to do a coolant flush as indicated in the maintenance schedule. I know I was supposed to do it at 100k. So it came from ford with Orange coolant. I emptied both primary and secondary, and filled with distilled water. Ran truck for a week. Then drained and filled again with distilled. Ran for another week. Finally last cycle I drained, replaced all thermostats, and filled with Yellow coolant.
Question, since I was only able to drain 6 qt at a time for the secondary, and about 20 qt at a time for the primary, how do I know if my coolant mixture is 50/50? Since some of the coolant remained in the engine and the concentration of it is unknown, when I added 50/50 yellow coolant, it would dilute to less than 50/50.
What is the best way to verify I have 50/50 in there?
Question, since I was only able to drain 6 qt at a time for the secondary, and about 20 qt at a time for the primary, how do I know if my coolant mixture is 50/50? Since some of the coolant remained in the engine and the concentration of it is unknown, when I added 50/50 yellow coolant, it would dilute to less than 50/50.
What is the best way to verify I have 50/50 in there?
Thread Starter
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Tuned
Joined: May 2009
Posts: 321
Likes: 4
Test the specific gravity, something like the link below.
https://www.amazon.com/Prestone-AF-1...24898553&psc=1
https://www.amazon.com/Prestone-AF-1...24898553&psc=1
no way!!!!!!!! can it really be that easy???? Didn’t even know they made such a tool. I spent all weekend trying to calculate the mixtures. Then researched the Acustrip website which confused me even more.
Senior User
Joined: Aug 2017
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Specific gravity tester is old school. Probably been around longer than both of us put together. Tells you how low a temp. your coolant can go before freezing. it is that easy. any parts store or probably walmart should have one.
Fleet Owner
Joined: Jan 2004
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From: Brentwood,CA
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Tuned
Joined: May 2009
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Other than anti-freeze and anti-boil benefits, is there another adverse effect to having to much or to little coolant? Say I have 40/60 or 60/40, would there be any damage to the engine and components?
where I live it never drops below 30F, considering running 40/60 or even 30/70. Any thoughts on that?
where I live it never drops below 30F, considering running 40/60 or even 30/70. Any thoughts on that?
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
Other than anti-freeze and anti-boil benefits, is there another adverse effect to having to much or to little coolant? Say I have 40/60 or 60/40, would there be any damage to the engine and components?
where I live it never drops below 30F, considering running 40/60 or even 30/70. Any thoughts on that?
where I live it never drops below 30F, considering running 40/60 or even 30/70. Any thoughts on that?
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Senior User
Joined: Aug 2017
Posts: 202
Likes: 101
Other than anti-freeze and anti-boil benefits, is there another adverse effect to having to much or to little coolant? Say I have 40/60 or 60/40, would there be any damage to the engine and components?
where I live it never drops below 30F, considering running 40/60 or even 30/70. Any thoughts on that?
where I live it never drops below 30F, considering running 40/60 or even 30/70. Any thoughts on that?
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Tuned
Joined: May 2009
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i thought the whole idea of it being distilled water was to prevent corrosion. If you have 100% distilled water, would it still corrode? Pardon my ignorance in this topic.
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I'm not an expert by any means but I think it would.
Fleet Owner
Joined: Jan 2004
Posts: 26,007
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From: Brentwood,CA
Well vapor distilled water is corrosive in itself. It's just free of most impurities, oxydizers and hardness. The coolant has the inhibitors in it.
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