From Newsgroup: uk.d-i-y

Hi,

Does anyone know of a decent liquid gasket for jointing together
metal-to-metal parts? Something that enables you to not need any form
of conventional gasket in addition? I'm thinking maybe something like
that grey goo that Allen Millyard the motorbike builder seems to use
all the time for valve gear covers and sump pans, perhaps. Any
suggestions?

Cheers,

DG
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From Newsgroup: uk.d-i-y

On Sat, 28 Feb 2026 15:14:51 +0000
Dan Green <dhg99908@hotmail.se> wrote:

Hi,

Does anyone know of a decent liquid gasket for jointing together metal-to-metal parts? Something that enables you to not need any form
of conventional gasket in addition? I'm thinking maybe something like
that grey goo that Allen Millyard the motorbike builder seems to use
all the time for valve gear covers and sump pans, perhaps. Any
suggestions?

Hermetite?
--
Joe

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From Newsgroup: uk.d-i-y

On 28/02/2026 15:14, Dan Green wrote:

Hi,

Does anyone know of a decent liquid gasket for jointing together metal-to-metal parts? Something that enables you to not need any form
of conventional gasket in addition? I'm thinking maybe something like
that grey goo that Allen Millyard the motorbike builder seems to use
all the time for valve gear covers and sump pans, perhaps. Any
suggestions?

Cheers,

DG

Many cars these days use (RTV*) silicone. Tighten down finger tight,
let it set, torque down and instant gasket

https://www.ebay.co.uk/itm/274468218989

*room temperature vulcanising
--
New Socialism consists essentially in being seen to have your heart in
the right place whilst your head is in the clouds and your hand is in
someone else's pocket.


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From Newsgroup: uk.d-i-y

On 28/02/2026 16:21, The Natural Philosopher wrote:

On 28/02/2026 15:14, Dan Green wrote:

Hi,

Does anyone know of a decent liquid gasket for jointing together
metal-to-metal parts? Something that enables you to not need any form
of conventional gasket in addition? I'm thinking maybe something like
that grey goo that Allen Millyard the motorbike builder seems to use
all the time for valve gear covers and sump pans, perhaps. Any
suggestions?

Cheers,

DG

Many cars these days use (RTV*)-a silicone. Tighten down finger tight,
let it set, torque down and instant gasket

https://www.ebay.co.uk/itm/274468218989

*room temperature vulcanising

Or look at the Loctite professional range - they do a number of flange sealants for different applications, such as the 510 (for high
temperatures), 518 (for aluminium parts) and 574 (general purpose).
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From Newsgroup: uk.d-i-y

On 28/02/2026 15:14, Dan Green wrote:

Hi,

Does anyone know of a decent liquid gasket for jointing together metal-to-metal parts? Something that enables you to not need any form
of conventional gasket in addition? I'm thinking maybe something like
that grey goo that Allen Millyard the motorbike builder seems to use
all the time for valve gear covers and sump pans, perhaps. Any
suggestions?

Cheers,

DG

I recently changed the wet cam belt on a Ford Focus, and in with the kit
there was a tube of this stuff

https://www.ebay.co.uk/itm/397183194938 - its a reassuringly Millyard
shade of grey and is available in various tube sizes


It replaces the sump gasket and the gasket for the timing case


Seems to have worked OK so far, to the point where the next leak from
the cam covers of my old Jag might well be the last :-\


One word of caution however .... the Ford uses completely synthetic oil,
so its possible that this stuff might not agree with "normal" lubricants
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From Newsgroup: uk.d-i-y

One word of caution however .... the Ford uses completely synthetic oil,
so its possible that this stuff might not agree with "normal" lubricants

but of course, they already knew about that

so theres a mineral oil tolerant version, which appears to be called
Dirko HT Black ..

https://www.ebay.co.uk/itm/397183226629
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From Newsgroup: uk.d-i-y

On 01/03/2026 09:34, Abandoned Trolley wrote:

On 28/02/2026 15:14, Dan Green wrote:

Hi,

Does anyone know of a decent liquid gasket for jointing together
metal-to-metal parts? Something that enables you to not need any form
of conventional gasket in addition? I'm thinking maybe something like
that grey goo that Allen Millyard the motorbike builder seems to use
all the time for valve gear covers and sump pans, perhaps. Any
suggestions?

Cheers,

DG

I recently changed the wet cam belt on a Ford Focus, and in with the kit there was a tube of this stuff

https://www.ebay.co.uk/itm/397183194938-a - its a reassuringly Millyard shade of grey and is available in various tube sizes

It replaces the sump gasket and the gasket for the timing case

Seems to have worked OK so far, to the point where the next leak from
the cam covers of my old Jag might well be the last :-\

One word of caution however .... the Ford uses completely synthetic oil,
so its possible that this stuff might not agree with "normal" lubricants

It is widely used even with gaskets where three surfaces meet. I have
never heard of any chemical degradation issues at all,
--
Truth welcomes investigation because truth knows investigation will lead
to converts. It is deception that uses all the other techniques.

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