[Healeys] thermostat discussion

[GUY DAY]

Kees,
I fully agree with your comments but suggest it is probable (although not a 
certainty - it could be poor engine timing) that in this case it is the 
friction in a newly rebuilt engine.  When that goes so the temperature 
should drop to similar levels to the other engine.
Relating this to your explanation - I am suggesting the overload is the 
additional friction from the newly rebuilt engine, when that goes so will 
the higher than wanted temperature.
Time (and engine use) will tell.

Guy R Day
OL11


----- Original Message ----- 
From: "Oudesluys" <coudesluijs at chello.nl>
To: "GUY DAY" <grday at btinternet.com>
Cc: "Alan Seigrist" <healey.nut at gmail.com>; <healeys at autox.team.net>
Sent: Sunday, July 05, 2009 12:00 PM
Subject: Re: [Healeys] thermostat discussion


 Guy,
 "A thermostat cannot control heat beyond it's maximum opening
temperature" is absolutely true. Problem is idealy the coolant should
never get that hot, certainly not when running in, as it is a sign of
overload..
 I have always used thermostats with a high as possible opening
temperature in any car. This increases the operating temperature and
efficiency of the engine. It also increases the temperature reading, but
in my experience this reading will remain constant at all times (new
engine, old engine, rebuild engine), unless overloaded (mountains, very
fast German autobahn driving) when the temperature will creep up and
slowing down is needed.
 (all assuming that the engine and cooling system are in good nick).
 Kees Oudesluijs
 NL