I remember Randall wrote a definitive piece on this. (Rest his soul). Check
In His archives.
It was great advice
Sent from my iPhone
> On Feb 14, 2022, at 12:02 PM, triumphs-request@autox.team.net wrote:
>
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> Today's Topics:
>
> 1. Add coolant overflow catch to TR3A (Dave MacKay)
> 2. Re: Add coolant overflow catch to TR3A (Dave MacKay)
> 3. Re: Add coolant overflow catch to TR3A (DAVID MASSEY)
> 4. Re: Add coolant overflow catch to TR3A (Rye Livingston)
> 5. Re: Add coolant overflow catch to TR3A (bill beecher)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 13 Feb 2022 16:33:48 -0500
> From: Dave MacKay <dave@mdmackay.ca>
> To: Triumphs@autox.team.net
> Subject: [TR] Add coolant overflow catch to TR3A
> Message-ID: <2f59580db591afbaa1901db9bbd59150@mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> I?d like to add a coolant overflow bottle to my TR3A (s/n 68639L). I?m
> 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,
>
>
>
> Dave MacKay
>
> 1960 TR3A s/n 68639L
>
> near Toronto, Canada
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> ------------------------------
>
> Message: 2
> Date: Mon, 14 Feb 2022 10:56:36 -0500
> From: Dave MacKay <dave@mdmackay.ca>
> To: Randy and Valerie DeRuiter <deruiterville@hotmail.com>,
> Triumphs@autox.team.net
> Subject: Re: [TR] Add coolant overflow catch to TR3A
> Message-ID: <eadd423647d826d6bb290c59e415a61f@mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> The TR3A owners manual (Practical hints ?) says to ?keep the neck of the
> filler at least half full of water?. I?ve been doing that and 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?ve been overfilling the radiator.
> 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?s what I?d been thinking of:
> https://mossmotors.com/catalogsearch/result/?cat=8823&q=overflow
>
>
>
> 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?d like to add a coolant overflow bottle to my TR3A (s/n 68639L). I?m
> 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,
> -------------- next part --------------
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>
> ------------------------------
>
> Message: 3
> Date: Mon, 14 Feb 2022 16:20:31 +0000 (UTC)
> From: DAVID MASSEY <dave1massey@cs.com>
> To: "dave@mdmackay.ca" <dave@mdmackay.ca>,
> "deruiterville@hotmail.com" <deruiterville@hotmail.com>,
> "Triumphs@autox.team.net" <Triumphs@autox.team.net>
> Subject: Re: [TR] Add coolant overflow catch to TR3A
> Message-ID: <1680153237.2004726.1644855631910@mail.yahoo.com>
> Content-Type: text/plain; charset="utf-8"
>
> Back in the day the advice was (probably) "Fill until neck is half full."?
> Any excess will get dumped on the ground and the system will find it's own
> "Full."? Back in the day that was acceptable.? (probably)
>
> Dave
>
>
>
> -----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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> div.yiv1680948366WordSection1 {}-->??The TR3A owners manual (Practical hints
> ?) says to ?keep the neck of the filler at least half full of water?. I?ve
> been doing that and 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?ve been overfilling the radiator. 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?s what I?d been thinking of:
> https://mossmotors.com/catalogsearch/result/?cat=8823&q=overflow?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?d like to add a coolant overflow bottle to my
>> TR3A (s/n 68639L). I?m 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,??** triumphs@autox.team
> .net **
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/triumphs http://www.team.net/archive
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> ------------------------------
>
> Message: 4
> Date: Mon, 14 Feb 2022 08:42:54 -0800
> From: Rye Livingston <ryel@mac.com>
> To: Dave MacKay <dave@mdmackay.ca>
> Cc: Randy and Valerie DeRuiter <deruiterville@hotmail.com>,
> Triumphs@autox.team.net
> Subject: Re: [TR] Add coolant overflow catch to TR3A
> Message-ID: <B47A9FA4-FB17-4303-9156-3A8E110F9412@mac.com>
> Content-Type: text/plain; charset="utf-8"
>
> I installed this overflow radiator bottle in my 60 TR3
> https://www.summitracing.com/parts/mrg-9135
> <https://www.summitracing.com/parts/mrg-9135>
>
> The clear tube up the side showing the fluid level is what I like.
>
> There are a bunch of different shapes and sizes available.
> https://www.summitracing.com/search?SortBy=BestKeywordMatch&SortOrder=Ascending&keyword=universal%20overflow
>
> <https://www.summitracing.com/search?SortBy=BestKeywordMatch&SortOrder=Ascending&keyword=universal%20overflow>
>
> Along with the coil which I?ve moved off the engine, away from the heat and
> vibration, I?ve got the overflow bottle and coil mounted side by side on the
> drivers side inner fender wall.
>
> When I look in the radiator when cold, the coolant is about 1/3 deep in the
> neck, and it?s about halfway up the clear tube on the side of the overflow
> bottle.
>
> Rye
>
>
>
>
>
>> On Feb 14, 2022, at 7:56 AM, Dave MacKay <dave@mdmackay.ca> wrote:
>>
>>
>>
>> The TR3A owners manual (Practical hints ?) says to ?keep the neck of the
>> filler at least half full of water?. I?ve been doing that and 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?ve been overfilling the radiator. 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?s what I?d been thinking of:
>> https://mossmotors.com/catalogsearch/result/?cat=8823&q=overflow
>> <https://mossmotors.com/catalogsearch/result/?cat=8823&q=overflow>
>>
>> Thanks,
>>
>> Dave MacKay
>>
>>> From: Randy and Valerie DeRuiter <deruiterville@hotmail.com
>>> <mailto: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?d like to add a coolant overflow bottle to my TR3A (s/n 68639L). I?m
>>>> 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,
>>
>>
>> ** triumphs@autox.team.net **
>>
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/pipermail/triumphs http://www.team.net/archive
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> ------------------------------
>
> Message: 5
> Date: Mon, 14 Feb 2022 12:27:35 -0600
> From: bill beecher <notakitcar@yahoo.com>
> To: Dave MacKay <dave@mdmackay.ca>
> Cc: Randy and Valerie DeRuiter <deruiterville@hotmail.com>,
> triumphs@autox.team.net
> Subject: Re: [TR] Add coolant overflow catch to TR3A
> Message-ID: <6AD57497-566E-457D-B174-4951EBB0D4F1@yahoo.com>
> Content-Type: text/plain; charset="utf-8"
>
> Ditto, about a 1/4? of coolant visible in the neck, no problems.
> Bill B
> TS30800L
>
> ?Last night I saw upon the stair,
> A little man who wasn't there,
> He wasn't there again today
> Oh, how I wish he'd go away?.... Mearns
>
> On Feb 14, 2022, at 9:56 AM, Dave MacKay <dave@mdmackay.ca> wrote:
>
> ?
>
>
> The TR3A owners manual (Practical hints ?) says to ?keep the neck of the
> filler at least half full of water?. I?ve been doing that and 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?ve been overfilling the radiator. 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?s what I?d been thinking of:
> https://mossmotors.com/catalogsearch/result/?cat=8823&q=overflow
>
> 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?d like to add a coolant overflow bottle to my TR3A (s/n 68639L). I?m
>>> 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,
>
>
> ** triumphs@autox.team.net **
>
> Donate: http://www.team.net/donate.html
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