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Oil coolers
#816623 07/18/20 11:14 am
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BigBars Offline OP
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Hi Tridentman,

This oil cooler seems aftermarket to me , would you agree?

Probably more after effects from the front end smash that appears to have happened.

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]


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Bikes: '69 T120 on average (1967 rolling frame and 1971 Bonnie engine) + '56 1/2 T110 on average (58 rolling frame - with 55 iron head engine) + 74 T150 Home model.
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Re: Oil coolers
BigBars #816626 07/18/20 11:35 am
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That appears 'standard" to me.

Re: Oil coolers
BigBars #816643 07/18/20 3:09 pm
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Hi Bigbars----my answer to your question is Yes and No!
The color of the top photo shows a gold type color of the cooler.
However the bottom photo shows a more standard silver color.
If it is a goldie type color (goldie color not goldie bike!) then it could have been repainted or could be after market.
What I find interesting is that the cooler looks new.
Your bike I know is 1974 so an original cooler would be 46 years old by now and would probably show some degree of mutilation of the cooler fins which are pretty delicate. Most original coolers by now have some of the fins a bit bent over.
So what is your cooler?
My guess is as follows:
Some years ago the tooling and the rights to the cooler design were purchased by Mocal in UK and they still manufacture this cooler type--which are widely used in racing cars.
My guess is that your cooler was manufactured recently by Mocal and bought after the supposed "off" to replace a damaged original.
BTW Mocal do not have an agent in Switzerland but have several in Germany where if I remember correctly you purchased the bike.
HTH

Re: Oil coolers
BigBars #816649 07/18/20 4:09 pm
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But do the newly manufactured coolers have the ends built to accept the reflectors?

Re: Oil coolers
Dick Page #816663 07/18/20 6:58 pm
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Originally Posted by Dick Page
But do the newly manufactured coolers have the ends built to accept the reflectors?
Climbing out on a limb here before Tridentman gets to give the definitive answer... I believe the coolers were made like this from the start and then Triumph and BSA designed different embellishments to suit...

SR

Edit: I was wrong! thumbsup

Last edited by Stein Roger; 07/19/20 8:13 pm.
Re: Oil coolers
BigBars #816708 07/19/20 12:19 am
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The tooling was modified in the late 1960s to give the original configuration to mount the reflectors.
My understanding is that Mocal bought all of the tooling so could manufacture as per the originals in the late 1960s.
HTH

Re: Oil coolers
BigBars #816730 07/19/20 4:26 am
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I believe that oil cooler originally appeared on MG motorcars. Those had mounting tabs at the top, which would have been omitted in order to mount the reflectors. Also, the MG coolers just used straight pipe fittings, the ones for the bikes were sweated on at the factory.
I once had my oil cooler stolen. I found a replacement from a guy in my neighborhood who worked on British cars. I had to cut off the mounting tabs and use 90 degree plumbing fittings, ugly but it worked.
Tridentman can either confirm or deny these statements.


Stepping on others doesn't make you stand tall.

71 A65L "Zelda"
92 BMW K100rs "Gustav"
72 T120V cafe project "Mr. Jim"
72 T150V "Wotan"
Re: Oil coolers
BigBars #816757 07/19/20 1:19 pm
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I had seen other coolers that looked very similar, but the ends and fittings looked slightly different. And without measurements there was no way to know if they were the same dimensionally. I don't recall where I saw them.

Re: Oil coolers
BigBars #816764 07/19/20 3:31 pm
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my cooler is definitely golden, must be the flash that has changed the second picture colour.

Bike has 10k KM (apparently....) so maybe not too bashed about.

There is some writing on top but i can't really make it out.

[Linked Image from i.imgur.com]

The reflectors were glued on and it seemed as though the glue had been done a looong time ago.

Interesting.

Thanks all for the comments.

Last edited by BigBars; 07/19/20 3:34 pm.

3D TV: A format that lost a format war without even having an opponent.
Bikes: '69 T120 on average (1967 rolling frame and 1971 Bonnie engine) + '56 1/2 T110 on average (58 rolling frame - with 55 iron head engine) + 74 T150 Home model.
Re: Oil coolers
BigBars #816775 07/19/20 5:27 pm
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Date code ? made in 99 ?

Re: Oil coolers
BigBars #816784 07/19/20 7:13 pm
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By 1999 I had left CovRad so cant say with certainty what the 99 might be.
But Kommandos suggestion is probably spot on IMHO.

The critical part of the cooler are the stampings forming the oil tubes--critical in that it was expensive to change the tooling.
The Trident cooler has 9" centers.
The same centers were used on the oil cooler for the MGB.
We in fact used the MGB cooler as the basis for the Trident cooler--just changing the mounting plates and connections which were easy to change and to jig up for brazing the whole cooler together.
The brazing BTW was done in a salt bath and the cooler flushed out afterwards with hot water and then compressed air.
It was impossible to get all traces of the salt out.
This was not a problem when used as an oil cooler but a few guys tried using them as water radiators and the combination of salt and water over a relatively short period of time soon produced leaks.
They were only approved for oil cooler usage.
HTH

Re: Oil coolers
BigBars #817058 07/22/20 4:00 pm
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In case you do not go to Triplesonline, I posted this there about the coolers:
[Linked Image from live.staticflickr.com]
Top - Saab 900 9 row, all black. Shorter end caps, same post spacing. Vertical threaded posts, the left slightly inclined inboard.

Second - T150 possibly factory (CR&P) painted as only the top, posts and ends are done. No overspray on the bottom plate or fins.

Third - T150 cooler, black on top scraps off with finger nail. Glue on ends from reflector rubbers.

Fourth - Cooler from my R3OIF, adapters changed for AN fittings.

It appears there may have been a clear coat that has turned slightly golden over the silver. Rubbing with a brass brush reveals the aluminum underneath.
Picture on a paper white background.
By the way, H*rley used disappearing black paint on the V-rod to hide the radiator in front so not to offend the purists.

Re: Oil coolers
BigBars #817113 07/23/20 3:16 am
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The top cooler looks like the MG oil cooler I once bought, same mounting tabs and female fittings.


Stepping on others doesn't make you stand tall.

71 A65L "Zelda"
92 BMW K100rs "Gustav"
72 T120V cafe project "Mr. Jim"
72 T150V "Wotan"
Re: Oil coolers
BigBars #817129 07/23/20 6:16 am
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As stated on TOL, my cooler is the same colour as Big Bars photo. And I've known the bike since new and owned it since 2600km. The cooler is as it came from Triumph, I always assumed the colour to be standard. I have seen ones that are very silver [more of a true silver], but these seemed less common than the silver/gold ones.
TBH the paint looks like a silver with a lacquer top coat, hence the gold hue.
Not sure why, how, if, or but....all I know is mine was standard. I did a freshen up of my bike a while ago and used a Hammerite gold/silver colour that almost perfectly matched the existing paint. So technically it is no longer standard.


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