[TR] Over heating

[wbeech at flash.net]

Starting the engine does not cause the overheating, stopping it does.  When
you shut an engine down the heat it still there but the coolant flow is
halted.  Ergo, the heat will continue to build until it can naturally
dissapate.  I have not been in any heavy traffic with my stock TR3 but
parades have that same effect, so I will just depress the clutch and rev the
motor a little 1500-2000rpm when I can to increase the coolant flow.

Bill

-----Original Message-----
From: triumphs-bounces at autox.team.net
[mailto:triumphs-bounces at autox.team.net] On Behalf Of Cosmo Kramer
Sent: Saturday, March 16, 2013 9:33 AM
To: triumphs at autox.team.net
Subject: [TR] Over heating

Hi List!
In digest 6:94 Randall wrote:
I initially installed the stock fan and
radiator on TS13571L (except the radiator had no crank hole, so I'm assuming
the previous owner had it recorded).  It worked great under most conditions,
but coming home from TRfest 2009 I found a big traffic jam where we averaged
under 20 mph for roughly 40 miles.  (Yes, that's over 2 hours stuck in
traffic.)  The gauge kept slowly creeping up, until I started shutting the
engine off every chance I could, to keep the heat down.  That was when I
determined to go back to the electric fan I had used on the previous TR3A.
----------------------------
I was told that shutting the engine off  & then starting it up to move, to
keep the heat down would INCREASE the chance of over heating because
starting the engine causes more heat. Now I don't understand why, but that's
what I was told (not saying that I believe that).
 
Can any explain WHY this might happen?
-Cosmo Kramer

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