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The TR3A owners manual (Practical hints =E2=80=A6) says to =E2=80=9Ckeep th=
e neck of the
filler at least half full of water=E2=80=9D. I=E2=80=99ve been doing that a=
nd have always
had coolant spilling out from the car.
If 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 radi=
ator.
Can I solve the overflow problem simply by keeping the rad less full? If
so, how high should I fill the rad?
Or 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
Thanks,
Dave MacKay
*>From:* Randy and Valerie DeRuiter <deruiterville@hotmail.com>
*>Subject:* Re: [TR] Add coolant overflow catch to TR3A
>
>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 which would put it below the
horns. On my TR4, I added an expansion tank from an MGB like the picture
attached which >remained pressurized with the system and worked well. That
tank can be added pretty much anywhere you have room.
>
>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 overfilling your radiator? When
cold you should barely >see coolant in the radiator neck.
>
>Randy
>
>> 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.
>>
>> What Have others done? Pictures would be very helpful.
>>
>> Thanks in advance,
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--></style></head><body lang=3D"EN-CA" link=3D"#0563C1" vlink=3D"#954F72" s=
tyle=3D"word-wrap:break-word"><div class=3D"WordSection1"><p class=3D"MsoNo=
rmal"><span style=3D"mso-fareast-language:EN-US">=C2=A0</span></p><p class=
=3D"MsoNormal"><span style=3D"mso-fareast-language:EN-US">=C2=A0</span></p>=
<div><div style=3D"border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt=
0cm 0cm 0cm"><p class=3D"MsoNormal"><span lang=3D"EN-US">The TR3A owners m=
anual (Practical hints =E2=80=A6) says to =E2=80=9Ckeep the neck of the fil=
ler 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></p><p class=3D"M=
soNormal"><span lang=3D"EN-US">=C2=A0</span></p><p class=3D"MsoNormal"><spa=
n lang=3D"EN-US">If Randy is correct in saying that one should barely see c=
oolant in the radiator neck when the TR3A is cold, I=E2=80=99ve been overfi=
lling the radiator. Can I solve the overflow problem simply by keeping the =
rad less full? If so, how high should I fill the rad? </span></p><p class=
=3D"MsoNormal"><span lang=3D"EN-US">=C2=A0</span></p><p class=3D"MsoNormal"=
><span lang=3D"EN-US">Or would I be better off fitting a TR4A overflow bott=
le? If so, where would be a good location? Here=E2=80=99s what I=E2=80=99d =
been thinking of: <a href=3D"https://mossmotors.com/catalogsearch/result/?c=
at=3D8823&q=3Doverflow">https://mossmotors.com/catalogsearch/result/?ca=
t=3D8823&q=3Doverflow</a></span></p><p class=3D"MsoNormal"><span lang=
=3D"EN-US">=C2=A0</span></p><p class=3D"MsoNormal"><span lang=3D"EN-US">Tha=
nks,</span></p><p class=3D"MsoNormal"><span lang=3D"EN-US">=C2=A0</span></p=
><p class=3D"MsoNormal"><span lang=3D"EN-US">Dave MacKay</span></p><p class=
=3D"MsoNormal"><span lang=3D"EN-US">=C2=A0</span></p><p class=3D"MsoNormal"=
><b><span lang=3D"EN-US">>From:</span></b><span lang=3D"EN-US"> Randy an=
d Valerie DeRuiter <<a href=3D"mailto:deruiterville@hotmail.com";>deruite=
rville@hotmail.com</a>> <br><b>>Subject:</b> Re: [TR] Add coolant ove=
rflow catch to TR3A</span></p></div></div><p class=3D"MsoNormal">>=C2=A0=
</p><div><p class=3D"MsoNormal"><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.=C2=A0 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.=C2=A0 That ta=
nk can be added pretty much anywhere you have room.</span></span></p></div>=
<div><p class=3D"MsoNormal"><span style=3D"font-size:12.0pt">><span styl=
e=3D"color:black">=C2=A0</span></span></p></div><div><p class=3D"MsoNormal"=
><span style=3D"font-size:12.0pt">><span style=3D"color:black">That said=
, are you sure you need an overflow bottle?=C2=A0 The 3A radiator neck has =
a lot of expansion space in it - and normally that is what keeps all the co=
olant in place - are you possibly overfilling your radiator?=C2=A0 When col=
d you should barely </span>><span style=3D"color:black">see coolant in t=
he radiator neck.=C2=A0=C2=A0</span></span></p></div><div><p class=3D"MsoNo=
rmal"><span style=3D"font-size:12.0pt">><span style=3D"color:black">=C2=
=A0</span></span></p></div><div><p class=3D"MsoNormal"><span style=3D"font-=
size:12.0pt">><span style=3D"color:black">Randy</span></span></p></div><=
div id=3D"divRplyFwdMsg"><div><p class=3D"MsoNormal">>=C2=A0</p></div></=
div><div><div><p class=3D"xmsonormal">>> I=E2=80=99d like to add a co=
olant overflow bottle to my TR3A (s/n 68639L). I=E2=80=99m trying to determ=
ine a good spot for the coolant overflow bottle. The spot I like best is al=
ready taken up by the horns.</p><p class=3D"xmsonormal">>>=C2=A0</p><=
p class=3D"xmsonormal">>> What Have others done? Pictures would be ve=
ry helpful.</p><p class=3D"xmsonormal">>>=C2=A0</p><p class=3D"xmsono=
rmal">>> Thanks in advance,</p><p class=3D"xmsonormal">=C2=A0</p><p c=
lass=3D"xmsonormal">=C2=A0</p></div></div></div></body></html>
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