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Alcohol Water Mix in Intercooler?

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Old 01-17-2001, 07:14 PM
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Question Alcohol Water Mix in Intercooler?

Hey all, was wondering the probability of running said mixture in the intercooler for dramatically reduced temps. Also wondering about what it might do to the pump,hoses,ect?? What do you guys/gals think??
 
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Old 01-18-2001, 02:32 PM
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I thought that someone more knowledgeable than me would have replied by now, but since they didn't, here's my $0.02. Since my intercooler began leaking last November, upon the advice of someone else on this board I have added nothing to the reservoir but distilled water and, occasionally, a pint of alcohol. In my climate I'm not sure that the alcohol is even necessary. So far I have noticed no adverse effects, and the truck still runs fine. However, here is the caveat. The pump requires lubricant, and plain water will not do the job, so occasionally I add a bottle of CarQuest radiator anti-rust and water pump lubricant, $1.19 at my local auto parts store. I am thinking of continuing to do this even after my i/c is replaced; what do you gear heads think?

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Old 01-18-2001, 02:52 PM
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the alcohol is used for the cooling effect (same as you feel on your skin), when the mixture is atomized by a hp spray pump system and enters the blower airstream. it won't do much good in a sealed system, or in a drip,drip,drip situation. unless you are using it for antifreeze. it would be better for your engine if it is drinking it, than antifreeze. from the pics we have seen of damaged intercoolers, i can't see where a rust inhibitor/lube would hurt anything on a sealed system. i'd check to see if it might do any xtra damage to the engine, than plain antifreeze would with a leak
 
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Old 01-18-2001, 03:24 PM
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God just what I need, A drunk truck. I'm bad enough.

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Old 01-18-2001, 05:16 PM
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Of all the suitable/affordable liquids available, pure water is:
1) the cheapest
2) the highest heat capacity.

Diluting it with anything will decrease your intercooler/heat exchanger performance.
 
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Old 01-19-2001, 04:17 PM
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Thanks for the info, I was only adding alcohol for the antifreeze effect, but in this climate it sure isn't necessary. H2O and water pump lube it is, then.
 
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Old 01-19-2001, 06:43 PM
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The antifreeze also inhibits corrosion and increases the boiling point. The tradeoff is a lower heat capacity compared to pure water.

Anything that decreases the surface tension (to get better contact with the metal) also decreases the boiling point, heat capacity and will probably promote foaming...
 
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Old 01-19-2001, 07:03 PM
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Question

Suppose I wanted to fill the i/c system with ice water at the strip? How would I go about draining the coolant that is in there? And, I know its gotta be in the manual, but do you know off hand what the capacity of the i/c system is?
 
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Old 01-19-2001, 07:09 PM
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n/m

[This message has been edited by gforce (edited 01-20-2001).]
 



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