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Old 03-10-2019, 02:14 PM   #1
Lawson Cox
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Default Cleaning corrosion off of NOS radiator core

Okay, It's a chebby core, but it should be the same. I have a NOS 37-39 Chevy radiator core that has been in the original box all these years. I cut the box open and it is "white" with corrosion. It's pretty, but it ain't right. How is the best way to remove the corrosion ? Inquiring minds want to know. Thanks.
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Old 03-10-2019, 02:17 PM   #2
Phil Gillespie
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Default Re: Cleaning corrosion off of NOS radiator core

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Originally Posted by Lawson Cox View Post
Okay, It's a chebby core, but it should be the same. I have a NOS 37-39 Chevy radiator core that has been in the original box all these years. I cut the box open and it is "white" with corrosion. It's pretty, but it ain't right. How is the best way to remove the corrosion ? Inquiring minds want to know. Thanks.


Rinse it off with a mixture of white vinegar and water. Followed with good water flush, then blow with air. Thats how i would tackle it.
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Old 03-10-2019, 10:18 PM   #3
B-O-B
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Default Re: Cleaning corrosion off of NOS radiator core

Lawson try spraying with WD 40.
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Old 03-10-2019, 11:12 PM   #4
expavr
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Default Re: Cleaning corrosion off of NOS radiator core

Rinse it off with a mixture of white vinegar and water. Followed with good water flush, then blow with air. Thats how i would tackle it.
Phil NZ
I agree. I’ve used vinegar along with iodized salt to take chemical buildup off of brass and copper items over the years. Works good and its cheap.
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Old 03-11-2019, 12:42 AM   #5
flatheadmurre
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Default Re: Cleaning corrosion off of NOS radiator core

Electrical contact cleaner is designed to remove oxide without hurting base material...
And there are sets with a cleaner/flush/corrosion protection.
Might cost a bit more then going for an acid...but should be safe..
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