What extended life coolant for really cold temps? - Ford Powerstroke Diesel Forum
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Old 12-27-2012, 03:05 PM
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What extended life coolant for really cold temps?

I'll need to change my coolant in about 3K miles and wanted to switch to extended life coolant because I'm tired of screwing around with additives. I may be going to Alaska for a while and could see some -50 F temps. I checked shell and chevron coolants and they have freeze points around -30 F, so it doesn't sound like they will be good enough. So what extended life coolant can keep me protected during the Alaska winters?
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Old 12-28-2012, 04:53 PM
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I know there are some guys on here that run their trucks in Alaska and Canadian winters. What kind of coolant are you guys using?
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Old 12-28-2012, 05:29 PM
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Quote:
Originally Posted by 99' Powerstroke View Post
I know there are some guys on here that run their trucks in Alaska and Canadian winters. What kind of coolant are you guys using?
Check out the link below.

https://cglapps.chevron.com/msdspds/...&docFormat=PDF

Looks like if you run 60% coolant your fine.
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Old 12-28-2012, 09:03 PM
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If your truck is an EARLY 1999 they say not to run ELC do to it eating injector cups or something like that.
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Old 12-28-2012, 09:45 PM
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Thanks. I guess I will have to put in a 60% mix. I was hoping I could be lazy and just find a 50/50 mix to dump in. Would a 60% mix lower the boiling point. I don't want to have to change the coolant every season.

I've never heard anything about not running ELC in early 99 trucks. Don't know why it would be a problem. I have a late 99 anyway.
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Old 12-29-2012, 01:13 AM
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The oat chemistry of an elc will eat the sealant used on the injector cups causing coolant and fuel to mix.
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Old 12-29-2012, 01:57 AM
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^ thats interesting...never knew that
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Old 12-29-2012, 03:56 AM
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Originally Posted by rufushusky View Post
The oat chemistry of an elc will eat the sealant used on the injector cups causing coolant and fuel to mix.
I assume that doesn't apply to the 6.0 trucks because everyone says use an ELC in those.


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Old 12-29-2012, 04:39 AM
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any CAT EC-1 is fine, just need to adjust concentrations.
the no elc applies to early 99s and older. 99 and up is fine

I made my Samsung SGH-I997 send this.
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Old 12-29-2012, 04:39 AM
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Originally Posted by 99' Powerstroke View Post
Thanks. I guess I will have to put in a 60% mix. I was hoping I could be lazy and just find a 50/50 mix to dump in. Would a 60% mix lower the boiling point. I don't want to have to change the coolant every season.

I've never heard anything about not running ELC in early 99 trucks. Don't know why it would be a problem. I have a late 99 anyway.
If you read, you'll know not to dump in a 50/50 pre mix.

I made my Samsung SGH-I997 send this.
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