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Tips
Tips

antifreeze

sp53

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Let’s say I have a couple of vehicles out in a unheated barn in the Seattle area, and I am storing them for the winter. Should I drain the water out of systems or put antifreeze in them?
Steve
 
I would put antifreeze in them. Having nothing in there exposes all the surfaces to air which will only promote oxidation. Also, antifreeze contains rust inhibitors to further reduce the chances of oxidation.

It only cost a few dollars for the extra protection that antifreeze will give you over leaving the engine dry.
 
I agree you need something in there.
Those of us living in Canada know all about antifreeze.
Drain whatever is currently in there out using the radiator drain or remove the bottom hose (messy) if no drain/rusted up.
Install a new 50/50 mixture of automotive antifreeze (Prestone is a good one)and water, start her up, burp the heater core if air is trapped by removing the return heater hose in the engine compartment momentarily till fluid comes out (make sure the heater controls are in the on position.
I don't think running straight water as the coolant is a good idea in any climate, the antifreeze has a higher boiling point and lubricates the water pump.
 
I agree on the antifreeze, but for the Seattle area you don't need more than about 30% glycol. Even 25% would do, since you are just storing the cars (meaning a partial freeze won't hurt anything).

But be sure you are starting with pure antifreeze, not the 50/50 mix they sometimes sell in stores. Around here at least, the 50/50 mix is usually a ripoff, as you wind up paying several dollars for that half gallon of water.
 
I agree with all of the above. If you just drain, you don't know if there are any pockets of water left somewhere - like a passage in the head or something. Use distilled water and the appropriate glycol mix for your area.
 
:savewave: <span style="color: #3333FF"> </span> What i'd do AS ABOVE ALSO think about connecting a BLOCK HEATER ON & plug it in.Its kinds like a BATTERY SAVER trickle charger BUT to help the antifreeze do its job & relativly cheap.
Ken
 
Andrew Mace said:
From my recent experience, the price difference between the 50/50 "premixed" and straight antifreeze is roughly the same as the cost of distilled water, so....
If that is the case, then by all means go for it.

But I just checked the O'Reilly web site: in my area, Prestone "extended life" is $16/gallon while 50/50 is $13/gallon. So that half gallon of water costs about $5.

Last time I bought RO filtered water in a store, it cost $.30/gallon (but I had to bring my own jug :g)
 

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There has been some discussion of problems with both pre-mix and extended life antifreeze in old cars although I don't have any experience myself. I like the old style green ethylene glycol probably because I tend toward the old style everything. It is still available though hard to find and priced about the same as extended life, if you can find it. Tom
 
We have very hard water in our area - does that make the pre-mixed stuff worth it? As Randall pointed out there is a big premium for the pre-mixed stuff in SoCal.
 
tdskip said:
We have very hard water in our area - does that make the pre-mixed stuff worth it?
I'd say it makes finding either distilled or RO filtered water worth it. Almost any grocery store will have it (for use in steam irons), typically for under $1/gallon.

Or you could collect rainwater as the book suggests, but around here that might take a looong time!
 
Tabcon said:
What about "Water Wetter"?
I tried it once as an alternative to antifreeze. It turned a really gunky brown in just a few weeks though, so at least for me, it didn't suppress corrosion very well.

BTW, Andy's quote about AF applies with or without the WW.
 
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