What should go between thermal block under Carburettor?

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reessi
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What should go between thermal block under Carburettor?

Post by reessi »

What should go between thermal block under Carburettor?

So I took my carbs off a month ago and can not remember if there should be something between the thermal block and the manifold pipes?

Should I just grease the thermal block? How will it seal, there is a seal between the carb and thermal block! The kit did not come with another gasket but maybe would burn anyway in the heat? There is a bigger gasket there I could make fit.

I took a load of pictures but there is no option to add pictures on here?

Cheers.
Sheffield, England.

VW T25, 1980, CU Engine, Air Cooled.

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Mocki
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Re: What should go between thermal block under Carburettor?

Post by Mocki »

what engine ?

add your location, van age and engine to your signature , then all the info to help you will be at the bottom of every post , and we dont have to ask , and you get the info quicker 
Steve
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reessi
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Re: What should go between thermal block under Carburettor?

Post by reessi »

Sorry I've added it now, it is:

Sheffield, England.

VW T25, 1980, CU Engine, Air Cooled.

How do I add pictures? Is there a way or I have to upload to a sharing website, it asks for a URL but surly then they expire and then there will be no pictures on this forum after a few months!

Cheers
Sheffield, England.

VW T25, 1980, CU Engine, Air Cooled.

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Mocki
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Re: What should go between thermal block under Carburettor?

Post by Mocki »

Image
Steve
tel / txt 07947137911
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just one shade of very fast grey
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reessi
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Re: What should go between thermal block under Carburettor?

Post by reessi »

Ah ok, it is confusing because there is an icon labeled image but only asks for a URL!

The last picture shows that one of the gaskets could be made to fit if there is meant to be one under the thermal block?ImageImageImage
Sheffield, England.

VW T25, 1980, CU Engine, Air Cooled.

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sarran1955
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Re: What should go between thermal block under Carburettor?

Post by sarran1955 »

Hello,


For the term 'thermal block' I willl use bakelite spacer.

Use a paper gasket on either side, so 4 per pair of carbs..

Mounted DRY...no Goop.. :roll:

Easily available on line..

Air-Cooled Bliss... 8)

 
Help and advice on Aircooled engines here:
http://www.youtube.com/user/sarran1955/videos?view=0" onclick="window.open(this.href);return false;

davidoft1
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Re: What should go between thermal block under Carburettor?

Post by davidoft1 »

The spacer( phenolic,Is a thermal barrier) has a gasket on either side , the gasket is very thin and it looks like they are still on , the gaskets won’t come in an engine rebuild kit , they are part of the carb rebuild kit

reessi
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Re: What should go between thermal block under Carburettor?

Post by reessi »

Ok thanks, I'll use the 2 in the picture. I can make the one that is slighlty bigger fit. So the heat won't affect the gasket under the thermal block?
Sheffield, England.

VW T25, 1980, CU Engine, Air Cooled.

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tobydog
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Re: What should go between thermal block under Carburettor?

Post by tobydog »

Not related to the insulator block, check the screws holding the flange above it to the carb body.  I've found them loose in the past :)
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1970 CU

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