Coolant

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Model T Ford Forum: Forum 2013: Coolant
Top of pagePrevious messageNext messageBottom of page Link to this message  By Cecil Paoletti -- Rrnton WA on Saturday, May 18, 2013 - 10:57 pm:

I have read that measuring the voltage between the coolant and the engine block can show whether the coolant is corrosive. What voltage indicates the coolant is still safe to use? Just can't seem to effectively use the search engine.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Jim Thode Chehalis Washington on Saturday, May 18, 2013 - 11:35 pm:

Cecil,
I have not use the voltage test but found this,
"Take your DVOM, Place the Pos. lead in the coolant and the Neg. lead to ground from the battery. If you have a reading greater than .2V then your coolant is now a acid type battery. So the coolant needs to be changed. If less than .1 volts you are usually good for 6 months and need to check it again then."
At:
http://www.mtfca.com/discus/messages/179374/229533.html?131338..


I get good search results using Google with something like,
coolant corrosion test site: mtfca.com/discus/messages/
in the search box.

Here is some more links on the subject:
http://www.sancarlosradiator.com/VoltageDrop/testing_for_electrolysis.htm

And, "The best way for testing is to use coolant test strips which measures the coolant’s pH, Reserve Alkalinity and Freeze Point / Boiling Point coolant to water mixture."
From:
http://www.ve-labs.net/electrolysis-101/how-to-test

Recommended voltage reading are all over the place. I would recommend the test strips.
http://www.ebay.com/itm/Cool-Trak-311519-Coolant-Testing-Strips-Set-of-50-/14081 8725918?pt=Motors_Car_Truck_Parts_Accessories&hash=item20c9733c1e&vxp=mtr

Jim


Top of pagePrevious messageNext messageBottom of page Link to this message  By John Zibell on Saturday, May 18, 2013 - 11:37 pm:

This is easier http://www.cooltrak.com/ Most independent shops can test it for you if you don't care to purchase the strips.


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