[TR] [EXTERNAL] - Re: Radiator overflow bottle

Don Hiscock don.hiscock at gmail.com
Thu Jan 4 11:46:09 MST 2018 

The semantic difference I've always followed is that a closed cooling
system has a pressurized expansion bottle and an open system has an
atmospheric overflow bottle.  The TR2-3B cooling system is, of course, an
open system.  I wouldn't attempt trying to convert a sidescreen TR into a
pressurized bottle system.

On Thu, Jan 4, 2018 at 10:25 AM, Rye Livingston <ryel at mac.com> wrote:

> I'm running a stock TR3 radiator cap and it does draw back water from my
> overflow bottle.
>
>
> Rye
>
>
> On Jan 04, 2018, at 08:09 AM, Geo Hahn <ahwahneetr at gmail.com> wrote:
>
> That looks like it may be a sealed unit.  In any case I will be curious if
> you can get the TR3 radiator (cap) to allow coolant to be drawn back into
> the system.
>
> Geo
>
> On Wed, Jan 3, 2018 at 5:36 PM, David Templeton <davidt at opentext.com>
> wrote:
>
>> Thank you everyone for the suggestions.  Going to give this one a try.
>> Even in Canadian dollars not a bad price, yeah the conversion rate sucks
>> J
>>
>>
>>
>> https://www.amazon.ca/gp/product/B07799KDL4/ref=od_aui_detai
>> lpages00?ie=UTF8&psc=1
>>
>>
>>
>> And this should fit where everyone suggested as well beside the rad
>>
>>
>>
>> David
>>
>>
>>
>>
>>
>>
>>
>> *From:* Triumphs [mailto:triumphs-bounces at autox.team.net] *On Behalf Of *TeriAnn
>> J. Wakeman
>> *Sent:* Wednesday, January 3, 2018 11:16 AM
>> *To:* triumphs at autox.team.net
>> *Subject:* [EXTERNAL] - Re: [TR] Radiator overflow bottle
>>
>>
>>
>> My bottle and holder are from a GT6. The holder mounts on a horizontal
>> surface so is mounted in the back right rear of the apron next to the
>> radiator, behind the cardboard ducting.
>>
>> TeriAnn
>>
>> On 1/3/18 7:11 AM, Don Hiscock wrote:
>>
>> My TR3B had an overflow bottle when I got it in 1981, and I kept it after
>> restoration.  Same basic location as Randall's.
>>
>>
>>
>> Here's "before", looking from the air filters toward the front.  Note
>> the open space alongside the inner wing and the radiator.
>>
>> https://photos.smugmug.com/photos/i-sgKkWNB/0/32b27947/X3/i-
>> sgKkWNB-X3.jpg
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__photos.smugmug.com_photos_i-2DsgKkWNB_0_32b27947_X3_i-2DsgKkWNB-2DX3.jpg&d=DwMDaQ&c=ZgVRmm3mf2P1-XDAyDsu4A&r=346MKQty4J9yevdUa9Fj_cT53y_74TwSRM-I7J2SFzs&m=Z0k2YwZFj0qNz-vgiBV8n2w76uCgirQDledkGTqcEWU&s=DnRM3oRWVrWyJyUItUksvePv5gwbUFmmC1OkGK-ap30&e=>
>>
>>
>>
>> And "after".  Some of my original bits, and some new ones from TRF.
>>
>> https://photos.smugmug.com/photos/i-fszqz5f/0/43c20229/X3/i-
>> fszqz5f-X3.jpg
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__photos.smugmug.com_photos_i-2Dfszqz5f_0_43c20229_X3_i-2Dfszqz5f-2DX3.jpg&d=DwMDaQ&c=ZgVRmm3mf2P1-XDAyDsu4A&r=346MKQty4J9yevdUa9Fj_cT53y_74TwSRM-I7J2SFzs&m=Z0k2YwZFj0qNz-vgiBV8n2w76uCgirQDledkGTqcEWU&s=JzAfgRBcB-Y6Fzpmmc3SXSnenVKdrJ9EjzBVPbbzw58&e=>
>>
>>
>>
>>
>>
>> On Wed, Jan 3, 2018 at 3:29 AM, Randall <TR3driver at ca.rr.com> wrote:
>>
>> > I am looking for suggestions on a radiator overflow bottle configuration
>> > for the '3a.  I am not wanting to spend stupid money but open to
>> > suggestions from those who have added on to their '3.
>>
>> Here's what I did.  The bottle and holder are used originals from a Stag
>> (same as TR6).  TRF has them new, $28 for the bottle, cap & holder.  The
>> holder is held to the inner wing with 1/4" bolts.
>>
>> https://imgur.com/P76PBYu
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__imgur.com_P76PBYu&d=DwMDaQ&c=ZgVRmm3mf2P1-XDAyDsu4A&r=346MKQty4J9yevdUa9Fj_cT53y_74TwSRM-I7J2SFzs&m=Z0k2YwZFj0qNz-vgiBV8n2w76uCgirQDledkGTqcEWU&s=SjAKx0wNlpaGUzpCdbUGzblQ4G_fiF3qA-4ZDuqZBgo&e=>
>>
>> Not the easiest place to get to; but there is really no need to access the
>> bottle.  I can do the initial fill through the radiator neck (by slowly
>> filling it to the very top and waiting for coolant to run down the hose).
>> And any excess (like when a leaking head gasket blows coolant out) will
>> eventually run out the top.
>>
>> I can get it out with the apron on, by removing the horn, but I've not yet
>> found a reason to do so.
>>
>> I also had to get the radiator fill neck replaced with a modern one, so I
>> could use a recovery cap.  Never could get a stock type cap to hold
>> vacuum,
>> so it would suck coolant back into the engine.  I tried several caps,
>> tried
>> filling the space around the center rivet with RTV, and various rubber
>> gaskets; but nothing worked for me.  The modern fill neck was under $20
>> installed (as part of other radiator work).
>>
>> And a Stant "Lev-R-Vent" cap was only $8 or so.  I like being able to
>> vent
>> the system without having to loosen the cap and take a chance on it coming
>> off all the way.  Wasn't a TR, but I once got a shower in scalding
>> coolant
>> on a cold winter day, when I didn't realize just how hot the engine was.
>> Fortunately I was wearing glasses, so it didn't get in my eyes.  (TR
>> content, we were trying to jump start a previous TR3A "barn find" with my
>> 65
>> Olds.  It would NOT start, so we got the bright idea of running hot
>> coolant
>> through the TR from the Olds.  Still wouldn't start!)
>>
>> -- Randall
>>
>>
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