Coolent system upgrade questions

[camron at worldaccessnet.com (Camron D. Crouse)]

David Utley wrote:

>
>please tell me you have tried running straight water with VERY LITTLE
>coolant. like 10-15%. then try and see how cool it runs. also, you could try
>flushing the radiator with purple power (off of the car, of course).
>Al
>
>
>Al,
>  Why do that?  Corosion (SP?) will go through the roof, which is not good
>for the headgasket, or the pump, let alone the rest of the system...?  I am
>curious how this will help in the long run.
>

I thought he meant to try it out for a short time, not permanent.  Just 
as a diagnostic to see if the high heat goes away with that mixture.

- Camron from Vancouver, WA USA
   '86.5 Black 16V 2.0L