[xj] antifreeze to water ratio

[Cadjag (Carl Hutchins, Jr.)]

In reply to a message from TMack sent Sun 7 Dec 2008:

Ted:

The Prestone test strip idea bfings back memories of high school
chemistry and later pool chenmistry, ie litmus strips to measure
alkalinity/acidity. I suspect he Prestone strip was an
interpretation of that technology!

Dare I say that has nothing to do with the political use of the
term!!! - -

As to glycol, memory again refers to the use of it in in inline
liquid cooled air craft engines. I seem to recall mention of pure
glycol.

I have not looked recently, but MAC’S used to promote a water pump
lube/inhibitor mix sold in pint cans. Use to boost inhibitors in
aged coolants?

During WWII or about that time, I worked in a service station as a
kid. Glycol was unavailable. Texaco marked alcohol to use as
antifreeze. We did a lot of that installation in the cold. Some
old timers at that time touted the use of kerosene.

As my cars run just fine on 50/50 that’s where they will stay. I do
use the Sierra brand of glycol as it is touted to be less toxic znd
attractive to animals. Most are Ethylene Glycol and the latter is a
different combintion although still glycol based.

Carl–
The original message included these comments:

In my fading memory, I seem to remember owning some PH strips
(from Prestone?) that would allow me to measure corrosion
protection levels. This was 20 years ago or more.
Advanced Auto had nothing like it when I asked the clerk recently.
But I haven’t looked any further. Guess I could Google it…but -
does anyone know what I’m talking about??

–
Carl Hutchins 1983 Jaguar XJ6 with LT1 and 1994 Jeep Grand
Walnut Creek, California, United States
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
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[Cannara]

Why not just follow the manuf. recommendations for change intervals?–
Alex
79xj6L SII (BRG + wires)
86xj6 SIII (Black)
61 Sprite MkII (Red)
Menlo Park, Calif.

TMack wrote:

In reply to a message from Frank Andersen sent Sun 7 Dec 2008:

In my fading memory, I seem to remember owning some PH strips
(from Prestone?) that would allow me to measure corrosion
protection levels. This was 20 years ago or more.

Advanced Auto had nothing like it when I asked the clerk recently.
But I haven’t looked any further. Guess I could Google it…but -
does anyone know what I’m talking about??

===================================================
The archives and FAQ will answer many queries on the XJ series…
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[TMack]

In reply to a message from Alex Cannara sent Sun 7 Dec 2008:

You must have forgotten what a cheap basturd I am ? ;-)–
The original message included these comments:

Why not just follow the manuf. recommendations for change intervals?

–
Ted Macklin/'85 XJ6SIII
–Posted using Jag-lovers JagFORUM [forums.jag-lovers.org]–
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[Frank_Andersen]

TMack wrote:

In reply to a message from Frank Andersen sent Sun 7 Dec 2008:

In my fading memory, I seem to remember owning some PH strips
(from Prestone?) that would allow me to measure corrosion
protection levels. This was 20 years ago or more.

Advanced Auto had nothing like it when I asked the clerk recently.
But I haven’t looked any further. Guess I could Google it…but -
does anyone know what I’m talking about??

Oh yes, Ted - but ‘modern’ inhibitors may not respond to such simple
measures? Or rely on regular coolant changes to bring in money…

Frank
xj6 85 Sov Europe (UK/NZ)>The original message included these comments:

Glycol in itself is not a very effective corrosion inhibitor, which is
why anti-corrosive agents are added. The primary function of glycol is

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