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RE: [TR] TR2,3,4 thermostats

To: <triumphs@autox.team.net>
Subject: RE: [TR] TR2,3,4 thermostats
From: "Randall" <tr3driver@ca.rr.com>
Date: Thu, 11 Jan 2007 15:01:58 -0800
> Not sure what all the Fuss is about but Triumph TR3 101 will 
> teach that it  
> is required to A) block the bypass or B) use a sleeved 
> thermostat.  I  suppose 
> we all know that as fact?

NO.  Blocking the bypass is a Bad Thing, as we've discussed.  Using a
sleeved thermostat is optional, IMO, I ran one just long enough to find out
that it made no detectable difference on my car.  The factory apparently
felt the same way, since they later approved using a non-sleeved thermostat.

> Using the correct cap is a nice 
> thing to  practice too.

Eh.  I run a 7 psi cap, just to get a little more margin before boilover.

> That being said, the condition of the radiator is 
> primarily what  will 
> determine how hot a TR3 will run, period, no debate, a  fact! 

That I will definitely agree with.  Although I've no idea how common it is,
my original radiator turned out to have lousy thermal efficiency, even
though it wasn't clogged and didn't leak.  Apparently the tubes were no
longer in good contact with the fins.

Randall


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