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SeVVenth
Samba Member
Joined: August 18, 2005
Posts: 678
Location: Winterset, Iowa
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 Posted: Thu Sep 22, 2005 1:31 pm Post subject: Case Mating Surfaces |
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| Just wondering, but what do you guys do for the mating surfaces? Make them clean as hell and slap it together, or do you put in some liquid gasket like stuff? |
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vwracerdave
Samba Member
Joined: November 11, 2004
Posts: 15309
Location: Deep in the 405
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| Posted: Thu Sep 22, 2005 2:38 pm Post subject: |
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I use Permatex Aviation sealer on the case halves.
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vicsvw
Samba Member
Joined: February 27, 2003
Posts: 1001
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SeVVenth
Samba Member
Joined: August 18, 2005
Posts: 678
Location: Winterset, Iowa
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| Posted: Thu Sep 22, 2005 9:11 pm Post subject: |
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| What about ultimate grey? |
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turboblue
Samba Member
Joined: October 09, 2003
Posts: 4216
Location: Central Indiana
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| Posted: Fri Sep 23, 2005 8:26 am Post subject: |
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| SeVVenth wrote: |
| What about ultimate grey? |
If that's silicone, no.
Use Permatex Aviation sealer like Dave suggested.
That is the only thing I've ever used.
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Gary
Turbo VW Sand Drag Buggy
"If you don't run into the Devil every once in awhile, you must be going in the same direction!" |
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jamestwo
Samba Member
Joined: November 01, 2004
Posts: 2203
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| Posted: Fri Sep 23, 2005 10:48 am Post subject: |
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you have to have a non harding sealant. silicon will harden and may prevent the case from seating correctly. This in turn will affect bearing crush.
Best thing is to get both case halfs clean and use a thin coat of aviation sealer. although they do make a non harding silcon sealant that you can use. I used it before , but it's real greasy and I didn't like it. |
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Mr. Unpopular
Samba Member
Joined: September 20, 2005
Posts: 3715
Location: Tampa Florida
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| Posted: Fri Sep 23, 2005 1:55 pm Post subject: |
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| SeVVenth wrote: |
| What about ultimate grey? |
I think that's the Permatex name for the "Hondabond" stuff. I wouldn't suggest using that stuff because once its together it just flat doesn't want to come apart. I would be afraid of braking the case when trying to split the halves. |
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RonR
Samba Member
Joined: October 03, 2004
Posts: 169
Location: Hesperia,CA
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| Posted: Fri Sep 23, 2005 7:51 pm Post subject: case sealer |
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| Ya, stay away from that "Yamabond" stuff. You dam near have to machine it off. Aviation "Form-a-Gasket" is what I use on all my cases. Never leeks. |
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Rome
Samba Member
Joined: June 02, 2004
Posts: 9654
Location: Pearl River, NY
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| Posted: Sat Sep 24, 2005 9:30 am Post subject: |
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"Moust use Curl-2..."
SeVVenth, "vics" meant Curil-2. Might not find it in a better auto supply store if you don't have it spelled right.
Also consider "Hylomar", which I've used recently with success, but I've only built about ten engines; the other fellas probably tens of dozens and can therefore observe the results of their sealants quicker than I can with mine. |
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