To Hylomar or not to Hylomar - That is the question

Information relating to the Matchless G80 or AJS Model 18 500cc Heavyweight.
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To Hylomar or not to Hylomar - That is the question

Postby spookefoote1956 » Fri May 19, 2017 6:04 pm

Having got the barrel back from Weir's I'm ready to build up the engine. Do I put gasket goo on both sides of the base paper gasket or just the face in contact with the barrel?

Cheers, Chris
Hail Joe Lucas ............ Prince of Darkness!

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Re: To Hylomar or not to Hylomar - That is the question

Postby Rob Harknett » Fri May 19, 2017 6:22 pm

I usually brush on an even film to both parts.

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Re: To Hylomar or not to Hylomar - That is the question

Postby g80csp11 » Fri May 19, 2017 8:00 pm

http://www.wellseal.co.uk/
use wellseal , much better than hylomar and does not block filters
if you strip a engine built with hylomar you will find it in filters , gauze/strainers etc..
can be used on copper head gaskets , paper gaskets

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Re: To Hylomar or not to Hylomar - That is the question

Postby Mick D » Sat May 20, 2017 6:07 am

Hi

Another recommendation for Welseal applied sparingly to both sides of the gasket.

If you leave it 10 or 15 minutes before assembly the Welseal thickens up a little and the gaskets don't move around so much as when first applied.

Regards Mick

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