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willysmjeeps.com :: View topic - Silicon oil.
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Silicon oil.

 
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helander
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Joined: Oct 31, 2011
Posts: 5
Location: Czech Republic

PostPosted: Sun Apr 15, 2012 1:00 am    Post subject: Silicon oil. Reply with quote

Can I use silicon oil (only thin layer) for conservation transmission and another gear boxes before final assembly on the frame?
And second question: Can I use 80W140 oil for all transmission without any risk?
Thank you for answers.
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GPA
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Joined: Aug 07, 2008
Posts: 216
Location: Hungary

PostPosted: Sun Apr 15, 2012 1:07 am    Post subject: Reply with quote

Why don't you use the proper recommended SAE 90 gear oil with low sulphur content?
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helander
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Joined: Oct 31, 2011
Posts: 5
Location: Czech Republic

PostPosted: Tue Apr 17, 2012 12:34 pm    Post subject: Reply with quote

Because guy who is restoring jeeps in Holland recommends me this kind of oil. My question was just to be sure that is correct.
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wesk
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Joined: Apr 04, 2005
Posts: 16257
Location: Wisconsin

PostPosted: Wed Apr 18, 2012 2:16 am    Post subject: Reply with quote

Do not use silicon grease or silicon spray lube in a mechanism that is normally operated on a petroleum base oil. The silicon can never be completely flushed out of the system. If you want a temporary preservative use LPS3 or the equivlent.

You can use the modern multigrade gear oils like 80W140 but you must select a brand that clearly states their oil's sulpher content is low enough not to harm non-ferrous metals like brass synchro rings in your transmission.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

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helander
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PostPosted: Sat Apr 21, 2012 11:29 pm    Post subject: Reply with quote

Thank you Wesk. Till now I used spray silicon on some parts in transmission, so I hope that it is no big problem or have I to clean it again?
In my country supplier doesn´t know LPS3, i must try to find other equivalent.
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wesk
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PostPosted: Sun Apr 22, 2012 8:48 am    Post subject: Reply with quote

LPS3 is a simple oil (petroleum) based spray oil. You do not want to use an oil based preservative oil when your primary purpose is lubrication. Those leave a sticky film on surfaces to help prevent corrosion.

There are no cleaners that will remove every trace of silicon. This is one reason I avoid its use.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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helander
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PostPosted: Sun Apr 22, 2012 1:03 pm    Post subject: Reply with quote

O.K. and thank you again Wesk.
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