Re: [Chevelle-list] Is there really a "high flow water pump?"

[Dave Corgill]

At 04:48 PM 6/2/2008, you wrote:
>Actually, the last part is wrong.  50/50 water/antifreeze is not as
>efficient at transfering heat.  It lowers the freeze point and rasies the
>boiling point, and it adds required lubrication for the water pump.  Pure
>water will cool the car off, but you need to add a lubricant (or additive
>that includes a lubricant) if you even want to think about it.  You also
>need to be 100% certain that it will nevre freeze.
>
Correct, but you can't run just water "IF" you have a vintage AC.
The AC will freeze the heater coil & bust it.