[TR] TR3 Ovweflow

Perry Hammock perryfly at gmail.com
Mon Feb 14 14:34:45 MST 2022


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 at autox.team.net wrote:
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> Today's Topics:
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>   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 at mdmackay.ca>
> To: Triumphs at autox.team.net
> Subject: [TR] Add coolant overflow catch to TR3A
> Message-ID: <2f59580db591afbaa1901db9bbd59150 at 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 at mdmackay.ca>
> To: Randy and Valerie DeRuiter <deruiterville at hotmail.com>,
>    Triumphs at autox.team.net
> Subject: Re: [TR] Add coolant overflow catch to TR3A
> Message-ID: <eadd423647d826d6bb290c59e415a61f at 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 at 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,
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> ------------------------------
> 
> Message: 3
> Date: Mon, 14 Feb 2022 16:20:31 +0000 (UTC)
> From: DAVID MASSEY <dave1massey at cs.com>
> To: "dave at mdmackay.ca" <dave at mdmackay.ca>,
>    "deruiterville at hotmail.com" <deruiterville at hotmail.com>,
>    "Triumphs at autox.team.net" <Triumphs at autox.team.net>
> Subject: Re: [TR] Add coolant overflow catch to TR3A
> Message-ID: <1680153237.2004726.1644855631910 at 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 at mdmackay.ca>
> To: Randy and Valerie DeRuiter <deruiterville at hotmail.com>; Triumphs at autox.team.net
> Sent: Mon, Feb 14, 2022 9:56 am
> Subject: Re: [TR] Add coolant overflow catch to TR3A
> 
> <!--#yiv1680948366 _filtered {} _filtered {}#yiv1680948366 #yiv1680948366 p.yiv1680948366MsoNormal, #yiv1680948366 li.yiv1680948366MsoNormal, #yiv1680948366 div.yiv1680948366MsoNormal {margin:0cm;font-size:11.0pt;font-family:"Calibri", sans-serif;}#yiv1680948366 a:link, #yiv1680948366 span.yiv1680948366MsoHyperlink {color:#0563C1;text-decoration:underline;}#yiv1680948366 p.yiv1680948366xmsonormal, #yiv1680948366 li.yiv1680948366xmsonormal, #yiv1680948366 div.yiv1680948366xmsonormal {margin:0cm;font-size:11.0pt;font-family:"Calibri", sans-serif;}#yiv1680948366 span.yiv1680948366EmailStyle19 {font-family:"Calibri", sans-serif;color:windowtext;}#yiv1680948366 .yiv1680948366MsoChpDefault {font-size:10.0pt;} _filtered {}#yiv1680948366 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 at 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 at autox.team
> .net **
> 
> Donate: http://www.team.net/donate.html
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> ------------------------------
> 
> Message: 4
> Date: Mon, 14 Feb 2022 08:42:54 -0800
> From: Rye Livingston <ryel at mac.com>
> To: Dave MacKay <dave at mdmackay.ca>
> Cc: Randy and Valerie DeRuiter <deruiterville at hotmail.com>,
>    Triumphs at autox.team.net
> Subject: Re: [TR] Add coolant overflow catch to TR3A
> Message-ID: <B47A9FA4-FB17-4303-9156-3A8E110F9412 at 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 at 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 at hotmail.com <mailto:deruiterville at 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 at 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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> 
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> ------------------------------
> 
> Message: 5
> Date: Mon, 14 Feb 2022 12:27:35 -0600
> From: bill beecher <notakitcar at yahoo.com>
> To: Dave MacKay <dave at mdmackay.ca>
> Cc: Randy and Valerie DeRuiter <deruiterville at hotmail.com>,
>    triumphs at autox.team.net
> Subject: Re: [TR] Add coolant overflow catch to TR3A
> Message-ID: <6AD57497-566E-457D-B174-4951EBB0D4F1 at 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 at 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 at 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 at autox.team.net **
> 
> Donate: http://www.team.net/donate.html
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