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Back in the day the advice was (probably) "Fill until neck is half full."=
=C2=A0 Any excess will get dumped on the ground and the system will find it=
's own "Full."=C2=A0 Back in the day that was acceptable.=C2=A0 (probably)
=20
Dave=20
=20
=20
-----Original Message-----
From: Dave MacKay <dave@mdmackay.ca>
To: Randy and Valerie DeRuiter <deruiterville@hotmail.com>; Triumphs@autox.=
team.net
Sent: Mon, Feb 14, 2022 9:56 am
Subject: Re: [TR] Add coolant overflow catch to TR3A
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0948366WordSection1 {}-->=C2=A0=C2=A0The TR3A owners manual (Practical hint=
s =E2=80=A6) says to =E2=80=9Ckeep the neck of the filler at least half ful=
l of water=E2=80=9D. I=E2=80=99ve been doing that and have always had coola=
nt spilling out from the car. =C2=A0If Randy is correct in saying that one =
should barely see coolant in the radiator neck when the TR3A is cold, I=E2=
=80=99ve been overfilling the radiator. Can I solve the overflow problem si=
mply by keeping the rad less full? If so, how high should I fill the rad? =
=C2=A0Or would I be better off fitting a TR4A overflow bottle? If so, where=
would be a good location? Here=E2=80=99s what I=E2=80=99d been thinking of=
: https://mossmotors.com/catalogsearch/result/?cat=3D8823&q=3Doverflow=C2=
=A0Thanks,=C2=A0Dave MacKay=C2=A0>From: Randy and Valerie DeRuiter <deruite=
rville@hotmail.com>=20
>Subject: Re: [TR] Add coolant overflow catch to TR3A>=C2=A0>I'm not sure y=
ou have room as I haven't done it on a TR3A, but a coolant bottle and brack=
et from a TR4A-6 might fit which would put it below the horns.=C2=A0 On my =
TR4, I added an expansion tank from an MGB like the picture attached which =
>remained pressurized with the system and worked well.=C2=A0 That tank can =
be added pretty much anywhere you have room.>=C2=A0>That said, are you sure=
you need an overflow bottle?=C2=A0 The 3A radiator neck has a lot of expan=
sion space in it - and normally that is what keeps all the coolant in place=
- are you possibly overfilling your radiator?=C2=A0 When cold you should b=
arely >see coolant in the radiator neck.=C2=A0=C2=A0>=C2=A0>Randy>=C2=A0>> =
I=E2=80=99d like to add a coolant overflow bottle to my TR3A (s/n 68639L). =
I=E2=80=99m trying to determine a good spot for the coolant overflow bottle=
. The spot I like best is already taken up by the horns.>>=C2=A0>> What Hav=
e others done? Pictures would be very helpful.>>=C2=A0>> Thanks in advance,=
=C2=A0=C2=A0** triumphs@autox.team.net **
Archive: http://www.team.net/pipermail/triumphs http://www.team.net/archiv=
e
sey@cs.com
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<div style=3D"color:black;font: 12pt Arial, Helvetica, sans-serif;">
<div> <font size=3D"3">Back in the day the advice was (probably) "Fill unti=
l neck is half full." Any excess will get dumped on the ground and th=
e system will find it's own "Full." Back in the day that was acceptab=
le. (probably)</font><br>
</div>
<div> <br>
</div>
<div style=3D"clear:both"><font size=3D"4">Dave </font><br>
<br>
</div>
<div> <br>
</div>
<div> <br>
</div>
<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black"><font=
size=3D"2">-----Original Message-----<br>
From: Dave MacKay <dave@mdmackay.ca><br>
To: Randy and Valerie DeRuiter <deruiterville@hotmail.com>; Triumphs@=
autox.team.net<br>
Sent: Mon, Feb 14, 2022 9:56 am<br>
Subject: Re: [TR] Add coolant overflow catch to TR3A<br>
<br>
<div id=3D"yiv1680948366"><style><!--
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<div>
<div class=3D"yiv1680948366WordSection1">
<div class=3D"yiv1680948366MsoNormal"><span style=3D""> </span></div>
<div class=3D"yiv1680948366MsoNormal"><span style=3D""> </span></div>
<div>
<div style=3D"border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0cm =
0cm 0cm;">
<div class=3D"yiv1680948366MsoNormal"><span lang=3D"EN-US">The TR3A owners =
manual (Practical hints =E2=80=A6) says to =E2=80=9Ckeep the neck of the fi=
ller at least half full of water=E2=80=9D. I=E2=80=99ve been doing that and=
have always had coolant spilling out from the car. </span></div>
<div class=3D"yiv1680948366MsoNormal"><span lang=3D"EN-US"> </span></d=
iv>
<div class=3D"yiv1680948366MsoNormal"><span lang=3D"EN-US">If Randy is corr=
ect in saying that one should barely see coolant in the radiator neck when =
the TR3A is cold, I=E2=80=99ve been overfilling the radiator. Can I solve t=
he overflow problem simply by keeping the rad less full? If so, how high sh=
ould I fill the rad? </span></div>
<div class=3D"yiv1680948366MsoNormal"><span lang=3D"EN-US"> </span></d=
iv>
<div class=3D"yiv1680948366MsoNormal"><span lang=3D"EN-US">Or would I be be=
tter off fitting a TR4A overflow bottle? If so, where would be a good locat=
ion? Here=E2=80=99s what I=E2=80=99d been thinking of: <a rel=3D"nofollow n=
oopener noreferrer" target=3D"_blank" href=3D"https://mossmotors.com/catalo=
gsearch/result/?cat=3D8823&q=3Doverflow">https://mossmotors.com/catalog=
search/result/?cat=3D8823&q=3Doverflow</a></span></div>
<div class=3D"yiv1680948366MsoNormal"><span lang=3D"EN-US"> </span></d=
iv>
<div class=3D"yiv1680948366MsoNormal"><span lang=3D"EN-US">Thanks,</span></=
div>
<div class=3D"yiv1680948366MsoNormal"><span lang=3D"EN-US"> </span></d=
iv>
<div class=3D"yiv1680948366MsoNormal"><span lang=3D"EN-US">Dave MacKay</spa=
n></div>
<div class=3D"yiv1680948366MsoNormal"><span lang=3D"EN-US"> </span></d=
iv>
<div class=3D"yiv1680948366MsoNormal"><b><span lang=3D"EN-US">>From:</sp=
an></b><span lang=3D"EN-US"> Randy and Valerie DeRuiter <<a rel=3D"nofol=
low noopener noreferrer" ymailto=3D"mailto:deruiterville@hotmail.com"; targe=
t=3D"_blank" href=3D"mailto:deruiterville@hotmail.com";>deruiterville@hotmai=
l.com</a>> <br>
<b>>Subject:</b> Re: [TR] Add coolant overflow catch to TR3A</span></div=
>
</div>
</div>
<div class=3D"yiv1680948366MsoNormal">> </div>
<div>
<div class=3D"yiv1680948366MsoNormal"><span style=3D"font-size:12.0pt;">>=
;<span style=3D"color:black;">I'm not sure you have room as I haven't done =
it on a TR3A, but a coolant bottle and bracket from a TR4A-6 might fit whic=
h would put it below the horns. On my TR4, I added an expansion tank =
from an MGB like the picture attached which </span>><span style=3D"color=
:black;">remained pressurized with the system and worked well. That t=
ank can be added pretty much anywhere you have room.</span></span></div>
</div>
<div>
<div class=3D"yiv1680948366MsoNormal"><span style=3D"font-size:12.0pt;">>=
;<span style=3D"color:black;"> </span></span></div>
</div>
<div>
<div class=3D"yiv1680948366MsoNormal"><span style=3D"font-size:12.0pt;">>=
;<span style=3D"color:black;">That said, are you sure you need an overflow =
bottle? The 3A radiator neck has a lot of expansion space in it - and=
normally that is what keeps all the coolant in place - are you possibly ov=
erfilling your radiator? When cold you should barely </span>><span=
style=3D"color:black;">see coolant in the radiator neck. </span=
></span></div>
</div>
<div>
<div class=3D"yiv1680948366MsoNormal"><span style=3D"font-size:12.0pt;">>=
;<span style=3D"color:black;"> </span></span></div>
</div>
<div>
<div class=3D"yiv1680948366MsoNormal"><span style=3D"font-size:12.0pt;">>=
;<span style=3D"color:black;">Randy</span></span></div>
</div>
<div id=3D"yiv1680948366divRplyFwdMsg">
<div>
<div class=3D"yiv1680948366MsoNormal">> </div>
</div>
</div>
<div>
<div>
<div class=3D"yiv1680948366xmsonormal">>> I=E2=80=99d like to add a c=
oolant overflow bottle to my TR3A (s/n 68639L). I=E2=80=99m trying to deter=
mine a good spot for the coolant overflow bottle. The spot I like best is a=
lready taken up by the horns.</div>
<div class=3D"yiv1680948366xmsonormal">>> </div>
<div class=3D"yiv1680948366xmsonormal">>> What Have others done? Pict=
ures would be very helpful.</div>
<div class=3D"yiv1680948366xmsonormal">>> </div>
<div class=3D"yiv1680948366xmsonormal">>> Thanks in advance,</div>
<div class=3D"yiv1680948366xmsonormal"> </div>
<div class=3D"yiv1680948366xmsonormal"> </div>
</div>
</div>
</div>
</div>
</div>
** <a ymailto=3D"mailto:triumphs@autox.team.net"; href=3D"mailto:triumphs@au=
tox.team.net">triumphs@autox.team.net</a> **<br>
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//www.team.net/donate.html</a><br>
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