[AT] Antifreeze question

[Robert L. Holtzer]

Several years ago I bought a used Suzuki Samuri from a dealer.  It 
ran hot under severe load and/or with air conditioner working.  The 
dealer went over it extensively (supposedly!) and could find nothing 
wrong.  One day I checked the specific gravity of the coolant -- it 
was straight ethylene glycol antifreeze.  Diluting it solved the over 
heating problem!  Ethylene glycol does not have the heat capacity of 
water or water diluted mixtures.

Bob Holtzer

At 10:13 AM 11/27/2006, you wrote:
>I was told years ago that the rental car companies ran straight
>antifreeze in their cars in hot climates; not sure if true but came from
>a source I considered reliable (too many years ago; don't recall the
>source).
>
>Lew Best near Waco, TX
>
>-----Original Message-----
><<snip>>
>
>I have read that running straight thick antifreeze will cause
>overheating.....
>
>Regards,
>
>Will Powell
>Pottstown, PA
>
>
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