SCA additive amount - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 33 (permalink) Old 09-06-2013, 02:49 PM Thread Starter
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SCA additive amount

I just did a complete flush and refill on the neighbors 2001 7.3 with the green coolant (tried to get him to get cat elc but he wouldnt pay that much) and how many ounces of sca additive do I add to get it at 2.0? Theres sca additive in it now at all and read and searched for 3 hrs and cant find how many ounces to add for an initial fill like this.
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post #2 of 33 (permalink) Old 09-06-2013, 04:42 PM Thread Starter
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Re: SCA additive amount

I meant there is no sca additive in it now just the green coolant...
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post #3 of 33 (permalink) Old 09-08-2013, 02:57 PM Thread Starter
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Re: SCA additive amount

No ones ever drained and refilled with green coolant?
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post #4 of 33 (permalink) Old 09-08-2013, 04:41 PM
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Re: SCA additive amount

Do you have the test strips ?

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post #5 of 33 (permalink) Old 09-08-2013, 05:12 PM
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Re: SCA additive amount

new coolant is set properly. As coolant deteriorates you will have to add the additive to the coolant. Cooling system additive is designed to replace additives depleted between coolant change-outs. Over time nitrate levels deteriorate as indicated by test strips you will need to add cooling system additive accordingly their is no set amount 16oz 15k type of thing it is dictated by cooling system use high heat ect all play a role in it. a bus chassis may need additive almost every oil change grandpa put put would go 50 k
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post #6 of 33 (permalink) Old 09-08-2013, 10:24 PM
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Re: SCA additive amount

Quote:
Originally Posted by Bobs 7.3 View Post
I just did a complete flush and refill on the neighbors 2001 7.3 with the green coolant (tried to get him to get cat elc but he wouldnt pay that much) and how many ounces of sca additive do I add to get it at 2.0? Theres no sca additive in it now at all and read and searched for 3 hrs and cant find how many ounces to add for an initial fill like this.
You will need to add three 16 oz bottles.

If only those who knew what they were talking about replied, this thread would still be on page one.
2000 F-250 CC 4x4 PSD Auto
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post #7 of 33 (permalink) Old 09-08-2013, 10:45 PM
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Re: SCA additive amount

Quote:
Originally Posted by wise guy View Post
new coolant is set properly. As coolant deteriorates you will have to add the additive to the coolant. Cooling system additive is designed to replace additives depleted between coolant change-outs. Over time nitrate levels deteriorate as indicated by test strips you will need to add cooling system additive accordingly their is no set amount 16oz 15k type of thing it is dictated by cooling system use high heat ect all play a role in it. a bus chassis may need additive almost every oil change grandpa put put would go 50 k
Standard green coolant does not have any additive in it and if you test it it will be out of range for everything except for freeze protection.

As 444-4D said start with 3 16 oz bottles and then check it with some test strips a month later after everything has had a chance to mix together. Last year when I did mine I added 4 16 oz bottles and was just above a 2 when I tested it.

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post #8 of 33 (permalink) Old 09-09-2013, 12:38 PM Thread Starter
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Re: SCA additive amount

Awesome and thank you guys...
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post #9 of 33 (permalink) Old 09-09-2013, 06:45 PM Thread Starter
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Re: SCA additive amount

Did you use the motorcraft stuff or an aftermarket brand?
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post #10 of 33 (permalink) Old 09-09-2013, 07:40 PM
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Re: SCA additive amount

I have only used the Ford additive FW-16 or whatever it is called this week.

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