Todd, We always put silicone in the brake systems of our older cars since they sit. We are now having to rebuild at zero miles since the new master cylinder in my '60 Crown has failed after two years of sitting during restoration. We went to replace it and nobody would gaurentee their rubber parts of their brake cylinders for silicone. We called White Post restorations who always redo our cylinders. They recommend conventional fluid with stainless steel sleeved cylinders. Now we are rebuilding the whole system again in this manner.
I have a friend who replaced his normal antifreeze mix w/ something named Evans Coolant when his Explorer had <20K on it. It is over 300K
and still on the same stuff. Pretty expensive stuff, but apparently it doesn't have the level of expansion that Ethylene Glycol does, so the coolant system pressure is lower and boilover is over 450 degrees. I plan to
put it in my imperial when I get the hemi back together. I figure I might as well switch over to synthetics in the engine oil and silicone brake fluid as I rebuild/replace the systems so that I don't have to redo this in another 15 yrs.
Check out the website on this coolant, it is interesting- Google keyword- Evans Coolant
Todd
Portland, OR
Frederick Joslin <fljoslin@xxxxxxxx> wrote:
Hi Bob:
Thanks for the info. I am sure that you are correct and will have no problems.
I have
looked on-line and they say from various sources do not use the newer stuff in older cars.
I would like to use the latest technology and not rely on stuff that was developed who knows when.
However, in this case I will go with the old technology.
----- Original Message -----
From: "Bob Schmitt"
To: mailing-list@xxxxxxxxxxxxxxxx
Subject: IML: DexCool
Date: Mon, 24 Sep 2007 08:11:07 -0700
Fred -
I put DexCool in my '66 in April 1997 and have
not had any reason to change it since then.
Still looks bright and clear. The car always
runs cool. Of course, it very seldom gets
below freezing in Southern California, so I
cannot write anything about its antifreeze
ability.
I know about the criticisms of DexCool since
that time, but it's worked fine for
me.
Bob
At 07:25 PM 9/23/2007, you wrote:
> Is there any issue with using GM DexCool in this car? I have two gallons
> of the stuff and would love to use it.
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