> I live in Texas and the ambient temperature in these parts has been 100+ since
> early June. I drive 60-65 with the A/C on. No problems that I've noticed. The
> vehicle doesn't overheat and the temperature gauge is slightly above the
> mid-way point and doesn't get any higher.

> >

>  > This brings up several questions:  How high on the gauge is too hot?  Is it
>  > possible that there is a cooling system problem? (the H20 pump was replaced
>  > about 500 miles ago!!)  Is it dangerous to the engine to run it that hot?
>
> Prompting our fearless and thorough list administrator, Chris Smith
> (csmith@SDSC.EDU) to write a message dated 7/24/98 12:19:47 PM Eastern
> Daylight Time:
>
>  Although I could/can drive (cruise) at 70-85 mph in my vehicles I never do
>  (typical cruising speed for me is a modest 60-65), and definitely not
>  when the ambient air is 100+ AND with the AC running. For me, this spells
>  trouble right around the corner, no matter how much maintenance and
>  rebuilding done on the vehicle.