rad and coolant, TPEFI related

[Clare Snyder]

George M. Dailey wrote:
> 
> I think you mised the reason why he had to use straight ethylene glycole. As
> I understood it, this was the only liquid (reasonable) that had a vapor
> pressure low enough at the required operating temperature to permitt normal
> engine gaskets to hold. I don't know the actual conditions. But, unique
> applications require unique solutions. Did you know that some nuclear
> reactor are cooled with molten elemental sodium!
> 
> GMD
> 
> At 01:42 AM 10/22/97 -0400, you wrote:
> >George M. Dailey wrote:
> >
> >> engine temp of 250 or 300F, I think. The main problem was he had to use 100%
> >> pure ethylene glycole with no water what so ever. Water would flash to steam
> >> and create abnormally high radiator pressures.
> >
> >The problem I see with that is the the water/coolant mix is much more
> >efficient at transferring heat than just coolant alone. Another option
> >is to build a good, strong cooling system that can take 25 lb pressures
> >like the race cars, and use the optimum coolant/water mix...
> >
> >Andris
> >
> >
> George M. Dailey
> gmd at tecinfo.com

So are some exhaust valves. You sure don't want to break one of them!!!
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