[urq] rear diff sealing

urq urq at pacbell.net
Sat Feb 11 23:03:10 PST 2012


... I had heard that it was originally developed for some sort of aircraft engine application.  I had a bit of difficulty getting the first tube, and it wasn't cheap ... it seems more plentiful and cheap now ... but it seems that there may be more than one variety.  

All I know was that I read the specs on the Permatex site ... non-hardening and tolerant of automotive lubricants, not acidic either.  It seems to me this would be a good alternative ... in fact I did a quick check and confirmed that it was originally designed for Rolls-Royce aircraft engines:

	http://www.hylomar.com/index.php?option=com_content&view=article&id=64&Itemid=138

Hylomar Universal Blue, that is what I would recommend.  As noted, it was recommended on the 

... now, I'd love to hear more about how to swap a V8Q rear Torsen into an ury's rear pumpkin ... and whether or not there's a way I can retain the locking dogs ... 

Steve Buchholz

-----Original Message-----
From: Ben Howell
Sent: Saturday, February 11, 2012 8:32 PM
Subject: Re: [urq] rear diff sealing

My understanding of Hylomar (from my RX-7 ownership days) was that is was developed specifically for use in o-ring sealing applications. Supposedly Mazda was having a heck of a time getting the large o-rings in-between rotor housing to seal and someone developed Hylomar for them and it worked like a charm.....but only in o-ring applications.

Ben

-----Original Message-----
>From: Steve Buchholz 
>Sent: Feb 11, 2012 8:21 PM
>Subject: Re: [urq] rear diff sealing
>
>The first thing that came to mind is the sealant I used for my old CB700SC engine, called Hondabond ... I see it mentioned on the Rennlist too. This is apparently like Permatex grey.  Then I remembered some stuff I used on the urq long ago called Hylomar.  This stuff is non hardening and is now supplied by Permatex too. Were I in your position, I'd go with the blue stuff.
>
>Steve Buchholz (mobile)
>
>----- Reply message -----
>From: "Mike Sylvester" 
>Date: Sat, Feb 11, 2012 11:01 am
>Subject: [urq] read diff sealing
>
>Audi uses some sort of green sealant on the side cover as there is no 
>gasket.
>When you guys open it up to swap in the V8 torsen diff, do you reseal 
>that with something?
>
>Mike
>



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