The Triumph Dolomite Club - Discussion Forum

The Number One Club for owners of Triumph's range of small saloons from the 1960s and 1970s.
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PostPosted: Fri Aug 04, 2017 9:06 am 
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Mark when this is finished I will attend it's first show just to see the thing, and of course to congratulate you on the hard work. Come on, get it finshed. :D


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PostPosted: Fri Aug 04, 2017 11:24 am 
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Have you ordered the glass case for it.

Stunning Mark.

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75 Sprint in Magenta called GunGaDiN GGD944N
2008 X-type 2.0D SE


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PostPosted: Sun Aug 13, 2017 7:07 pm 
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This weekend I've mostly been making up the wiring to run my electric fan which is quite easy to do. What takes the time is doing a nice job of the wires including heat shrinking the ends and routing the cables to where you want them. More of this at a later date.

Meanwhile I've also made a new exhaust heat shield. The original one was very worn and the asbestos board didn't look to good or healthy so I decided to replace it.

Image

Using my damaged original as a template I cut out the front from a sheet of aluminium and replicated the same shape in aluminium heat shield material.

Image

This material is similar to what is used on modern cars and race cars. the design allows air to move between the layers and the area you are trying to reduce heat soak to to work better and more safely than asbestos. I straightened and repainted the brackets before bolting and then riveting the parts together.

Image

I'm very pleased with the end result. It's not original but will not really be seen anyway.

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1980 Dolomite Sprint project using brand new shell
1993 Mazda Eunos Roadster JDM S-Special Type II
2015 BMW 118d Sport


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PostPosted: Sun Aug 13, 2017 8:43 pm 
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A word to the wise, be like Robert 352 and SCREW the finished part to the car rather than riveting as original. Then in the unpleasant eventuality of having to remove the exhaust downpipe, you can easily remove the heatshield and give yourself more wiggle room!

Steve

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2 door '73 Toledo with Vauxhall Carlton engine OWF 797M (The Carledo)
Vermillion (and Rust) Sprint Auto EGP 247T (The Dolomega)
'91 Cavalier 2ltr 8v auto
'95 Cavalier 2ltr 16v auto
Spectrum Auto Services, Servicing, Repairs, MOT prep. Apprentice served Triumph Specialist for 40 years and home of Maverick Triumph.PM for more info or quotes.


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PostPosted: Mon Aug 14, 2017 8:20 am 
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Definitely going to screw it, it's much easier and as you say it can easily be removed. I'm sure there should be another heat shield but I didn't remove one from the car. I might add something myself though unless anyone has one to copy.

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Mark

1980 Dolomite Sprint project using brand new shell
1993 Mazda Eunos Roadster JDM S-Special Type II
2015 BMW 118d Sport


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PostPosted: Mon Aug 14, 2017 11:29 am 
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The other is attached to the underside of the gearbox cover.
I'm just in the middle of refurbishing mine, I have drilled out the rivets to remove it.
Image

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75 Sprint in Magenta called GunGaDiN GGD944N
2008 X-type 2.0D SE


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PostPosted: Mon Aug 14, 2017 11:51 am 
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Definitely didn't have one of those. Looks easy to produce though. Might be one of those parts that's easier to make once the exhaust is in then I can work out exactly where it needs to go or whether further improvements can be made. I had given some thought to the gearbox tunnel and how easy it would be to deck it out with some shielding.

In case you were interested the aluminium stuff I used is called Nimbus G2, they also do a Cirrus G3 which is similar but 3 layers and steel based with an aluminium foil. The G3 is even better as a heat shield but figured as I wanted to keep an original look where I could, using the aluminium front sheet would negate the need for the G3. For less heat sensitive areas they also do a Nimbus G1 which is a single layer of the aluminium, often used above exhaust silencers.

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Mark

1980 Dolomite Sprint project using brand new shell
1993 Mazda Eunos Roadster JDM S-Special Type II
2015 BMW 118d Sport


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PostPosted: Mon Aug 14, 2017 12:16 pm 
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The original has what looks like an asbestos pad between the cover and plate and its riveted with some spacers to give a bit of air flow??
You can see the three rivet holes in the cover.
Looks like you have done your research on the updated materials to use, I really need to get rid of the asbestos stuff, definitely wont be reusing that, thanks for the tip.
If you need the dims for this I can measure it tonight.


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Trevor

75 Sprint in Magenta called GunGaDiN GGD944N
2008 X-type 2.0D SE
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PostPosted: Mon Aug 14, 2017 12:32 pm 
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Some dims would be great if you don't mind.

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1980 Dolomite Sprint project using brand new shell
1993 Mazda Eunos Roadster JDM S-Special Type II
2015 BMW 118d Sport


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PostPosted: Mon Aug 14, 2017 1:44 pm 
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I have one you can have for a pattern if you'd like it. Postage only.

Steve

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2 door '73 Toledo with Vauxhall Carlton engine OWF 797M (The Carledo)
Vermillion (and Rust) Sprint Auto EGP 247T (The Dolomega)
'91 Cavalier 2ltr 8v auto
'95 Cavalier 2ltr 16v auto
Spectrum Auto Services, Servicing, Repairs, MOT prep. Apprentice served Triumph Specialist for 40 years and home of Maverick Triumph.PM for more info or quotes.


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PostPosted: Mon Aug 14, 2017 1:49 pm 
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There are also a 3rd heatshield for the starter motor that clips to the solenoid and an (automatic only) 4th shield to cover the inhibitor switch. Lack of the latter is probably responsible for the high casualty rate in inhibitor switches, but that's not your problem, with your manual car!

Steve

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2 door '73 Toledo with Vauxhall Carlton engine OWF 797M (The Carledo)
Vermillion (and Rust) Sprint Auto EGP 247T (The Dolomega)
'91 Cavalier 2ltr 8v auto
'95 Cavalier 2ltr 16v auto
Spectrum Auto Services, Servicing, Repairs, MOT prep. Apprentice served Triumph Specialist for 40 years and home of Maverick Triumph.PM for more info or quotes.


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PostPosted: Mon Aug 14, 2017 3:30 pm 
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Yes I do have one for the starter. I actually have a new old stock one but I also have a used one. I shall probably make a pattern one for this to get rid of the asbestos.

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Mark

1980 Dolomite Sprint project using brand new shell
1993 Mazda Eunos Roadster JDM S-Special Type II
2015 BMW 118d Sport


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PostPosted: Mon Aug 14, 2017 4:42 pm 
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Quote:
Yes I do have one for the starter. I actually have a new old stock one but I also have a used one. I shall probably make a pattern one for this to get rid of the asbestos.
I didnt know there were that meany heat shields,got any pictures of what they look like,i was going to try and make a heat shield for the exhaust boxes

Dave


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PostPosted: Mon Aug 14, 2017 5:50 pm 
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Quote:
Some dims would be great if you don't mind.
Mark

Have one to hand in the shed - will take some dims tomorrow for you.

Paul

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PostPosted: Mon Aug 14, 2017 8:31 pm 
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Bit crude, but everything there to remake.


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Trevor

75 Sprint in Magenta called GunGaDiN GGD944N
2008 X-type 2.0D SE
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