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Author: Subject:  What sealant for splitting crankcase halves
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posted on July 31st, 2013 at 08:40 AM
What sealant for splitting crankcase halves


Can anyone recommend what sealant to use for refitting together crankcase halves?

I want to use some internals from one motor on another with the help of a wiser person, but they have asked me if there is a recommended sealant for our aircooled crankcases.

Cheers,
Brad.




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posted on July 31st, 2013 at 08:50 AM



Curil K2 for me, made by Elring, the oem German gasket manufacturer



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posted on July 31st, 2013 at 08:53 AM



x2 and one tube lasts a long time
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posted on July 31st, 2013 at 11:00 AM



Cool.
Thanks.
Now - any advice on where to buy.
I found somewhere in the US and France but they say it is flammable so it has to go by ground and not international?
Any Australian suppliers?
Or do one of you want to sell me some in a jar? I only need to do 2-3 engines (well do it 2-3 times anyway once both engines are put together).




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posted on July 31st, 2013 at 11:02 AM



Hi

Most VW specialist sell it.

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posted on July 31st, 2013 at 11:09 AM



I have it for $25



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posted on July 31st, 2013 at 08:12 PM



I used pertex from Supercheap. Not had a problem with it so far after a coupla years. Think was bout $10-15.



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posted on July 31st, 2013 at 08:35 PM



WOW.......what a saving!



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posted on August 1st, 2013 at 08:54 AM



I use a loctite 518, a modern flexable sealant that does not have a issue handling vibration.
http://www.loctite.com.au/3423_AUS_HTML.htm?countryCode=aue&BU=industrial...
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posted on August 1st, 2013 at 11:24 AM



Quote:
Originally posted by psimitar
I used pertex from Supercheap. Not had a problem with it so far after a coupla years. Think was bout $10-15.


Permatex aviation gasket maker/dressing ?

white bottle with tar like brown stuff yeah?

If so I use this and works awesome, I use it also on all paper and cork gaskets as a thin dressing as it stops the gaskets drying out and makes them way more oil and air tight.




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posted on August 1st, 2013 at 11:57 AM



Quote:
Originally posted by vwo60
I use a loctite 518, a modern flexable sealant that does not have a issue handling vibration.
http://www.loctite.com.au/3423_AUS_HTML.htm?countryCode=aue&BU=industrial...


X 2
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posted on August 1st, 2013 at 12:57 PM



Thanks folks.
I passed this info onto the in law who is doing the works for me.
He said he has the right gear already for it which is good.
That is the jy of marrying into a family with a diesel mechanic who has owned up to 16 motorbikes at any one time as a father in law.:smilegrin:




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posted on August 1st, 2013 at 07:00 PM



Quote:
Originally posted by vwo60
I use a loctite 518, a modern flexable sealant that does not have a issue handling vibration.
http://www.loctite.com.au/3423_AUS_HTML.htm?countryCode=aue&BU=industrial...


Doesn't have a very high heat rating.




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posted on August 1st, 2013 at 08:11 PM



Quote:
Originally posted by HappyDaze
WOW.......what a saving!


me thinks I detect a spot of sarcasm sir :P


Quote:
Originally posted by vlad01
rnrnPermatex aviation gasket maker/dressing ?rnrnwhite bottle with tar like brown stuff yeah?rnrn If so I use this and works awesome, I use it also on all paper and cork gaskets as a thin dressing as it stops the gaskets drying out and makes them way more oil and air tight.


Yup, that's the stuff. Been ages since I used it hence my misspelling.




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posted on August 2nd, 2013 at 10:33 PM



If the case reachs 300f then there is more to worry about than the sealant
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posted on August 2nd, 2013 at 10:39 PM



Yes and No....its not uncommon to see that type of case temps in extreme motorsport.

I'm not saying its the norm for that temp, I'm just surprised that being a 'modern' sealant it wasn't rated to 200deg C like the others.

I'm sure its a great product, that does its job.:cool:






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