In a message dated 6/10/05 11:57:45 AM, rrecardo@webtv.net writes:

<< I believe you are a bit themodynamicly inconguent on this one--- >>

rrecardo,

Before you profess belief in anything, try this simple experiment:

Take a van with a sound and proper cooling system for a drive in the cool of
the evening.  Use a route which will allow you to get the van up to a steady
state operating temperature without the radiator cooling fan kicking in.
Before you depart, tie a string long enough to reach the driver's seat to the rear
heater control valve lever.  Don't run either blower and shut off the front
heater control.  Run the van at a constant speed until the temperature gauge is
rock steady.  Accurately note or mark the position of the temperature gauge
needle, then pull the string without changing the running speed and watch what
happens to the temperature gauge needle.

We'll talk about the why's later.

Georgie Boy