[TR] TR 3 A REAR ENGINE SEAL

[Paul Tegler]

...couldn't you simply install a 'Speedi-Sleeve' ? (need to hunt down 
the proper size of course)

https://www.google.com/search?client=firefox-b-1-ab&biw=1344&bih=867&tbm=isch&sa=1&ei=r0QoW77-C8WK5wLep63ACg&q=speedi-sleeve&oq=speedi-sleeve&gs_l=img.3..0j0i30k1l3j0i24k1l5.185356.188186.0.188574.13.13.0.0.0.0.98.1012.13.13.0....0...1c.1.64.img..0.13.1001...0i67k1j0i8i30k1.0.rlKHRLHMiao

I've had one on a GT6 crank for over 10 years and 20K miles now without 
a single drop.

Once installed I polished the surface to a mirror finish to assist 
longevity of the normal rubber lip seal

ptegler


On 6/18/2018 6:15 PM, Dean Mericas wrote:
> I had the misfortune of installing one of the lip-type seals that 
> Randall recommends against in my TR4 back in the late 1990s.  I got 
> the kit from either Moss or British Frame & Engine (Sp?) and it 
> required machining the scroll off.  It never worked completely, and 
> seems to be getting worse with age.  I'm planning to pull and reseal 
> the engine sometime soon and am wondering if there's anything that can 
> be done to reduce the leakage with an alternative seal or something 
> other than obtaining a new crankshaft?
>
> Thanks.
>
> Dean Mericas
> Austin, TX
> 1965 TR4 / 1963 Jaguar Mk2 (for sale!) / 1974 Alfa Romeo 2000 GTV / 
> 1976 Alfa Romeo Giulia Nuova Super 2000
>
> On 6/18/2018 1:00 PM, triumphs-request at autox.team.net wrote:
>> ------------------------------
>> Message: 2
>> Date: Sun, 17 Jun 2018 21:13:47 -0700
>> From: "Randall"<TR3driver at ca.rr.com>
>> To: "'Robin Watson'"<robinwmgb at gmail.com>,	<triumphs at autox.team.net>
>> Subject: Re: [TR] TR 3 A REAR ENGINE SEAL
>> Message-ID: <635AFA26C07B4A8398E0946330508168 at RYPC>
>> Content-Type: text/plain; charset="us-ascii"
>>
>> Yes, that's right.  When setting with the mandrel, use shellac on the faces
>> against the block and main cap.  Not on the scroll area.
>>
>> Later, when doing the final assembly with the crankshaft in place, it
>> wouldn't hurt to paint a little shellac on the seal faces where they meet.
>>
>> Two other points:
>> 1) There appears to be an error in the mandrel dimensions given in the
>> workshop manual.  See attached diagram.
>>
>> 2) There is an updated "Viton" seal available, that still uses the scroll
>> but adds a lip type seal.  Highly recommended.  Invented by a German TR4
>> racer who was upset about being black flagged when his TR4 "marked it's
>> spot".
>> http://www.tr4-racing.de/eng/madmarx-racing.html
>>
>> IMO, you should stay away from the other lip type seal offered by some other
>> vendors, as it requires the scroll part of the crankshaft to be machined
>> away.
>>
>> -- Randall
>> 56 TR3 TS13571L once and future daily driver
>> 71 Stag LE1473 - awaiting engine rebuild
>> 71-2-3 Stag - awaiting gearbox rebuild
>>
>
> -- 
> "Thousands and thousands have lived without love -
> not one without water." - Katharine Hayhoe, Ph.D.
>
>
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-- 
Paul Tegler
ptegler at verizon.net  www.teglerizer.com

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