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I've been reading this thread and what worked for me in my street TR3A alo=
ng with a high capacity water pump and electric fan was the old hot rod tri=
ck of replacing the thermostat with a "water restrictor disc'=C2=A0 This is=
nothing more than a aluminum disc with a hole in it.=C2=A0 The kit comes w=
ith 3 discs with different size holes.=C2=A0 I got them from Jeggs #555-511=
05=C2=A0 $6.39.=C2=A0 =C2=A0I've had the TR3 for 49 years and it always ran=
hot.=C2=A0 Even in hot weather in a 2 mph parade I rarely get above 190 de=
grees now.=C2=A0 Everyone of these cars is different.=C2=A0 My stock TR4A h=
as nothing more than the TR6 multiblade fan and upgraded water pump and I c=
an't get it over 160 degrees.=C2=A0 It could be used as a farm engine!!!=C2=
=A0 Conversely I run no thermostat in my 69 Datsun 2000 vintage race car (I=
know blasphemy) and an electric fan for sitting on the grid.
On Monday, June 13, 2022, 08:05:48 AM EDT, Philip Gott via Fot <fot@aut=
ox.team.net> wrote: =20
=EF=BB=BF
=EF=BB=BF=EF=BB=BF=EF=BB=BF Speaking of restriction: the originator of the =
thread mentioned that he recently installed a new radiator.=C2=A0I once ins=
talled a custom radiator in another old car. The new radiator was extra thi=
ck with many rows of fins and tubes, replacing an old =E2=80=9Choneycomb=E2=
=80=9D style radiator. It turns out that this extra thick ( about 3 inches)=
core was very restrictive on air flow compared to the original honeycomb. =
The car overheated on the highway, something it never did before. As with t=
he TR, the radiator fan was not shrouded.=C2=A0So, I wonder if the new radi=
ator is thick enough to reduce air flow compared to the original? That coul=
d cause operating temperature to rise.Phil Gott
Sent from my iPhone
On Jun 12, 2022, at 10:34 PM, Mike Mehl via Fot <fot@autox.team.net> wrote:
=EF=BB=BFAgree on the restriction. You could pull the guts out of the therm=
ostat
Sent from Yahoo Mail on Android=20
=20
On Sat, Jun 11, 2022 at 2:32 PM, ralph hansen via Fot<fot@autox.team.net>=
wrote: _______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
oo.com
=20
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
com
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
ahoo.com
=20
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<html><head></head><body><div class=3D"ydp3fea94fayahoo-style-wrap" style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px=
;"><div></div>
<div dir=3D"ltr" data-setdir=3D"false">I've been reading this threa=
d and what worked for me in my street TR3A along with a high capacity water=
pump and electric fan was the old hot rod trick of replacing the thermosta=
t with a "water restrictor disc' This is nothing more than a aluminum=
disc with a hole in it. The kit comes with 3 discs with different si=
ze holes. I got them from Jeggs #555-51105 $6.39. I=
've had the TR3 for 49 years and it always ran hot. Even in hot weath=
er in a 2 mph parade I rarely get above 190 degrees now. Everyone of =
these cars is different. My stock TR4A has nothing more than the TR6 =
multiblade fan and upgraded water pump and I can't get it over 160 degrees.=
It could be used as a farm engine!!! Conversely I run no therm=
ostat in my 69 Datsun 2000 vintage race car (I know blasphemy) and an elect=
ric fan for sitting on the grid.</div><div dir=3D"ltr" data-setdir=3D"false=
"><br></div><div dir=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D"lt=
r" data-setdir=3D"false"><br></div>
=20
</div><div id=3D"ydp5e9ef88yahoo_quoted_6098202522" class=3D"ydp5e9=
ef88yahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div>
On Monday, June 13, 2022, 08:05:48 AM EDT, Philip Gott =
via Fot <fot@autox.team.net> wrote:
</div>
<div><br></div>
<div dir=3D"ltr" data-setdir=3D"false">=EF=BB=BF<br></div><=
div><div id=3D"ydp5e9ef88yiv6092682171"><div dir=3D"ltr"><div dir=3D"ltr">=
=EF=BB=BF<div dir=3D"ltr">=EF=BB=BF<div dir=3D"ltr">=EF=BB=BF Speaking of r=
estriction: the originator of the thread mentioned that he recently install=
ed a new radiator. <div>I once installed a custom radiator in another =
old car. The new radiator was extra thick with many rows of fins and tubes,=
replacing an old =E2=80=9Choneycomb=E2=80=9D style radiator. It turns out =
that this extra thick ( about 3 inches) core was very restrictive on air fl=
ow compared to the original honeycomb. The car overheated on the highway, s=
omething it never did before. As with the TR, the radiator fan was not shro=
uded. </div><div>So, I wonder if the new radiator is thick enough to r=
educe air flow compared to the original? That could cause operating tempera=
ture to rise.</div><div>Phil Gott<br><br><div dir=3D"ltr">Sent from my iPho=
ne</div><div dir=3D"ltr"><br><blockquote type=3D"cite">On Jun 12, 2022, at =
10:34 PM, Mike Mehl via Fot <fot@autox.team.net> wrote:<br><br></bloc=
kquote></div><blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BFAgree on t=
he restriction. You could pull the guts out of the thermostat<br><br><div i=
d=3D"ydp5e9ef88yiv6092682171ymail_android_signature"><a id=3D"ydp5e9ef88yiv=
6092682171ymail_android_signature_link" href=3D"https://go.onelink.me/10787=
2968?pid=3DInProduct&c=3DGlobal_Internal_YGrowth_AndroidEmailSig__Andro=
idUsers&af_wl=3Dym&af_sub1=3DInternal&af_sub2=3DGlobal_YGrowth&=
amp;af_sub3=3DEmailSignature" rel=3D"nofollow" target=3D"_blank">Sent from =
Yahoo Mail on Android</a></div> <br> <blockquote style=3D"margin:0 0 20px 0=
;"> <div style=3D"font-family:Roboto, sans-serif;color:#6D00F6;"> <div>On S=
at, Jun 11, 2022 at 2:32 PM, ralph hansen via Fot</div><div><fot@autox.t=
eam.net> wrote:</div> </div> <div style=3D"padding:10px 0 0 20px;margin:=
10px 0 0 0;border-left:1px solid #6D00F6;"> _______________________________=
________________<br clear=3D"none"><a shape=3D"rect" href=3D"mailto:fot@aut=
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</div> </blockquote><span>_______________________________________________</=
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_______________________________________________
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http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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