[urq] rear diff sealing

[Mike Sylvester]

Or is the difference just that they are a mated pair and you don't want
to mix and match?

Mike

www.urq20v.com

> -------- Original Message --------
> Subject: Re: [urq] rear diff sealing
> From: "Mike Sylvester" <mike at urq20v.com>
> Date: Sun, February 12, 2012 11:07 am
> To: "Martin Pajak" <martin at quattro.ca>, "'urq'" <urq at pacbell.net>,
> "'Ben Howell'" <bhowell at rmi.net>, "'urq Audifans'" <urq at audifans.com>
> 
> 
> Martin,
> 
> I'm glad I read that write-up as I was not aware that the ring gear is
> different.
> It looks the same, but I guess it wouldn't take much.
> 
> Mike
> 
> 
> > -------- Original Message --------
> > Subject: RE: [urq] rear diff sealing
> > From: "Martin Pajak" <martin at quattro.ca>
> > Date: Sun, February 12, 2012 8:15 am
> > To: "'urq'" <urq at pacbell.net>, "'Ben Howell'" <bhowell at rmi.net>, "'Mike
> > Sylvester'" <mike at urq20v.com>, "'urq Audifans'" <urq at audifans.com>
> > 
> > 
> > Steve,
> > 
> > The torsen diff will only go into the new style 4kq diff housing.  Sorry, no
> > way to retain locking capability.
> > The good news is that the V8 diff comes with large 110mm flanges so it will
> > bolt into the Ur-q without issue.
> > 
> > Here is a writeup on MG by Justin, I did it myself and took less than 2
> > hours to complete the swap (including oven time).
> > http://www.motorgeek.com/viewtopic.php?f=6&t=10133&start=275
> > My swap was into a 115hp 4kq so I did not feel any difference when
> > completed, plan was for some more power but sold the car before I had a
> > chance to experiment.
> > 
> > HTH
> > Martin Pajak
> > 
> > http://www.quattro.ca 
> > 
> > 1982 Audi Ur-quattro, SQ project
> > 1983 Audi 80 quattro, Euro 2-Tür
> > 1984 Audi Ur-quattro, 20vt with 6-speed
> > 1993 Audi 90 CS quattro, 2.5 TDI with 6-speed
> > 
> > 
> > -----Original Message-----
> > From: urq-bounces at audifans.com [mailto:urq-bounces at audifans.com] On Behalf
> > Of urq
> > Sent: February-12-12 2:03 AM
> > To: 'Ben Howell'; 'Mike Sylvester'; 'urq Audifans'
> > Subject: Re: [urq] rear diff sealing
> > 
> > ... 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&Itemi
> > d=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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