On 2/19/2011 3:35 PM, mm wrote:
On Sat, 19 Feb 2011 20:43:43 +0000 (UTC), Meat Plow
wrote:

On Sat, 19 Feb 2011 14:18:24 -0600, The Daring Dufas wrote:

On 2/19/2011 1:26 PM, Smitty Two wrote:
In article
,
wrote:


I didn't know anyone changed anti-freeze anymore. I just top mine up
with neat anti-freeze& then I'm sure it's not too weak.

Well, that's a spectacularly bad idea. Anti-freeze makes a ****ty
coolant. It's there to keep the real coolant - water - from freezing.

It also raises the boiling point of the coolant not to mention the
lubrication properties for the water pump and anti-corrosion additives
to protect the different metals in the cooling system. :-)

TDD

nods

Pure antifreeze has about half the heat transfer capability that H2O
does.

Plus it freezes at a higher temperature than a mixture of water and
antifreeze.

Although I think Harry only said he topped his off with pure
anti-freeze, so if it doesn't use much water, that is, much coolant,
it would still have plenty of water.

Unless the cooling system is empty, what I do with each new gallon of
antifreeze I get is, pour half of it into an empty antifreeze gallon,
and fill the rest of each with water, so I have two gallons of 50/50.
When I've had leaks, I carry one bottle with me. I thought about
alternating between water and antifreeze for topping off, but the math
was too complicated, and I coudln't predict what ratio I would get.

I use a 50/50 mix in my vehicles.

TDD