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Old 02-17-2020, 01:36 PM   #1
Joe Immler
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Default Coolant additives

I ordered a new radiator for my '41 Coupe. It is to arrive this week. The engine block has been drained empty for 4 months. I will use Peak Coolant. Should I use any additives ?
Any other advice?
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Old 02-17-2020, 01:44 PM   #2
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Default Re: Coolant additives

Don't know if it is as good a claimed, but I always add NoRosion to the radiator. If you have any aluminum touching the water (heads, radiator) your might want to use a sacrificial anode. Comes with a thin wire that can be wrapped around the brass vent piece on the underside of the radiator cap, so that the zinc part drops down on top o the core, but comes out with the cap. You may be shocked at how much that piece erodes in a year.
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Old 02-17-2020, 02:12 PM   #3
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Default Re: Coolant additives

drolston I will give the anode a try. Thanks.
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Old 02-17-2020, 02:18 PM   #4
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Default Re: Coolant additives

Agreed on the NoRosion...
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Old 02-17-2020, 02:22 PM   #5
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Default Re: Coolant additives

I usually don't believe in "Snake-Oil" cures, but I read so much good stuff about "No-Rosion" that I bought a case and use a bottle with every initial radiator fill. No problems, so far.
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Old 02-17-2020, 02:25 PM   #6
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Default Re: Coolant additives

No-Rosion > https://www.no-rosion.com/norosioncoolant.htm

Home Page > https://www.norosion.com/


I use this stuff to protect the aluminum heads on my '34 flatty from electrolysis...

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Old 02-17-2020, 02:46 PM   #7
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Default Re: Coolant additives

Most auto supply stores carry containers of "rust preventer and water pump lube". It is mostly a water soluable oil. I add a can to the system each spring, or when I change the coolant. It isn't expensive, and is often sold under the "Prestone" label.
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Old 02-17-2020, 09:48 PM   #8
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Default Re: Coolant additives

Look at the bottles of anti-freeze like Zerex and Peak. I believe they have water pump lube and anti-rust ingredients.


These are the ingredients that over time, lose their effectiveness. That is why they recommend replacement of anti-freeze after 3 to 5 years.
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Old 02-17-2020, 10:25 PM   #9
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Default Re: Coolant additives

I don't believe this" water pump lube" If the bearings are so loose that the coolant is getting through, the pump is shot.
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Old 02-18-2020, 03:17 AM   #10
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Default Re: Coolant additives

Quote:
Originally Posted by tubman View Post
I usually don't believe in "Snake-Oil" cures, but I read so much good stuff about "No-Rosion" that I bought a case and use a bottle with every initial radiator fill. No problems, so far.

This is an example of the power of advertising. This is not to knock the product, but No-Rosion is so highly advertised (including regular targeted mailings), they make it very easy to read good stuff about the product!
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Old 02-18-2020, 04:21 AM   #11
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Default Re: Coolant additives

Leaving a block empty can actually ad more issues then when in use.
Air getting to metal and you get a fair amount of rust that then gets into the core of your new radiator..
Worst is if you used plain water before draining it...
Block lower hoses ad a rustcleaner of choice and flush well...my 2c.
A regular coolant should do the job if the engine clean...but a coolant can handle just so much rust and corrosion...can usually be seen on freezing point rising when measuring coolant.
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Old 02-18-2020, 10:58 AM   #12
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Default Re: Coolant additives

Thanks for your informative replies guys. Petehoovie thanks for the info on No-Rosion, I will use this. As always, The Ford Barn is great for getting info.
Thanks again.
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Old 02-18-2020, 11:30 AM   #13
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Default Re: Coolant additives

Quote:
Originally Posted by ford38v8 View Post
This is an example of the power of advertising. This is not to knock the product, but No-Rosion is so highly advertised (including regular targeted mailings), they make it very easy to read good stuff about the product!
To be clear, the reading I was talking about was mainly in marque-specific club publications and similar venue not glossy advertisements.
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Old 02-18-2020, 11:54 AM   #14
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Default Re: Coolant additives

I use No Rosion plus the anode attached to the cap. I keep wondering if the NoRosion is doing its job why would the anode still dissolve?
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Old 02-18-2020, 10:09 PM   #15
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Default Re: Coolant additives

Perhaps you should ask (Jay Ross) that question at Applied Chemical Specialties, who make the NoRosion product.
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Old 02-18-2020, 11:44 PM   #16
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Default Re: Coolant additives

Anyone looking at the "waterless" products? I see Jay Leno speaking it up on his older cars? its expensive but is supposed to be worth it. its glycol based instead of water. https://www.evanscoolant.com/
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Old 02-19-2020, 02:45 AM   #17
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Default Re: Coolant additives

I think Burl Ives had it right: Cool, cool water.
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Old 02-19-2020, 04:56 AM   #18
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Default Re: Coolant additives

I just use water and 33% antifreeze/summer coolant. Same as the millions of other motorists out there in there everyday cars with iron blocks and aluminium heads. What we have available to us these days is far superior to what they had in the 1940s.
I can't see any reason not to use the product that is specifically designed for the purpose we are requiring.
Personally I think anything else is just expensive snake oil and marketing BS.
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Old 02-19-2020, 06:42 AM   #19
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Default Re: Coolant additives

I am with Mart. Lots of creative advertising (marketing) = snake oil.
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Old 02-19-2020, 05:52 PM   #20
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Default Re: Coolant additives

Quote:
Originally Posted by Mart View Post
I just use water and 33% antifreeze/summer coolant. Same as the millions of other motorists out there in there everyday cars with iron blocks and aluminium heads. What we have available to us these days is far superior to what they had in the 1940s.
I can't see any reason not to use the product that is specifically designed for the purpose we are requiring.
Personally I think anything else is just expensive snake oil and marketing BS.
Yes sir...
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