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07-01-2023, 12:28 PM | #1 |
Junior Member
Join Date: Sep 2022
Posts: 24
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Coolant additive, will it help?
So before I do a full radiator flush I was wondering if adding something like water wetter to the existing coolant would help or hurt an old flathead. I'm assuming it will hurt it, so I might as well do the flush and figure out something else to keep the engine cool
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07-01-2023, 12:32 PM | #2 |
Senior Member
Join Date: Apr 2019
Location: Kansas
Posts: 926
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Re: Coolant additive, will it help?
It won't hurt it, but the chances of it curing the heating problem are slim. A properly cleaned radiator in good condition is the best insurance against heating trouble. Nothing against the water wetter type surfactants...they are a decent product.
Terry
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"It don't take but country smarts to solve the problem" (Smokey Yunick) '41 Merc Town Sedan / 260" 8CM engine '66 Fairlane four door / "warmed up" 302 |
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07-01-2023, 12:37 PM | #3 |
Junior Member
Join Date: Sep 2022
Posts: 24
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Re: Coolant additive, will it help?
Great, thanks. I'll just do a flush and clean.
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07-01-2023, 12:44 PM | #4 |
Senior Member
Join Date: Jul 2011
Location: SF Bay Area
Posts: 6,646
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Re: Coolant additive, will it help?
Nothing cools better than straight water. However, you do need an anti corrosion agent with a water pump lubricant.
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Alan |
07-01-2023, 02:26 PM | #5 |
Senior Member
Join Date: Oct 2015
Location: Socal
Posts: 795
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Re: Coolant additive, will it help?
Fix the actual issue and then proceed. I use norosin in mine. (We don’t get cold enough for antifreeze)
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07-02-2023, 09:12 AM | #6 |
Senior Member
Join Date: May 2010
Location: Michigan
Posts: 505
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Re: Coolant additive, will it help?
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