<VV> Water temps

[Sethracer at aol.com]

If he was talking about water temps, perhaps Mark meant: "The higher the  
pressure in the system, the higher the pressure CAN be."
 
Meaning - The higher pressure will discourage boiling (also dependent on  
coolant chemical composition). You are correct, Jay. With stock water pumper  
vehicles, I have watched the water temps trend up under load - climbing the 
 grapevine - then cool back down to thermostat temp while coasting 
downhill. Some  of the characteristics change, depending on coolant fan design, 
engine driven  vs. electrics. Sitting in traffic, watching a temp gauge on a 
water pumper  with electric fans, can be a heart stopper! - Seth
 
 
In a message dated 11/14/2015 11:27:49 P.M. Pacific Standard Time,  
virtualvairs at corvair.org writes:

On  11/9/2015 6:59 AM, MarK Durham via VirtualVairs wrote:

> The higher  the pressure in the system, the higher the
> temperature will  be.

> Mark Durham
> Hauser Idaho
> On Nov 8, 2015 6:07  PM, "Joel McGregor via VirtualVairs" <
> virtualvairs at corvair.org>  wrote:
>

I disagree.
A higher pressure system CAN run at a  higher temp without boiling.
Actual operating temperature depends on  cooling system design and 
vehicle operating conditions.
Running down  the highway on a cool day, a water pumper is likely to be 
running at the  thermostat opening temperature.
In traffic on a hot day, it will be running  all its fans and the coolant 
temp will probably be at or above the fan  thermostat temp.
-- 
Jay Maechtlen
SoCal
'61 2-dr modified  w/fiberglass skin,
transverse 3.8 Buick V6 TH440T4 trans

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