Now, the next question is - which one? From Hylomar's website, I see about
13 products that probably could be used for gasket making/sealing. Also,
other than mail order to someone like Grainger, where do you find their
products locally?
Alex Thomson
-----Original Message-----
From: Triumphs [mailto:triumphs-bounces@autox.team.net] On Behalf Of Jeff
Scarbrough
Sent: Wednesday, February 24, 2021 6:53 AM
To: Stuart Greenwood
Cc: Triumphs (triumphs@autox.team.net)
Subject: Re: [TR] Timing case oil leak
I agree with the statement "Hylomar is the answer".
On Mon, Feb 22, 2021 at 8:28 PM Stuart Greenwood <sagreenwood@att.net>
wrote:
>
> In July 2017 I saw that the front crankshaft oil seal was leaking on my
TR250 but the timing case itself seemed to be leak free. In January 2018 I
replaced this seal which of course meant removing the timing case cover and
using a new gasket. I serviced the car last weekend and could see that the
oil seal was not leaking but there seems to be oil leaking through the
timing case gasket.
> I have the same situation on my Spitfire Mk IV. I completely rebuilt the
engine in April 2004. Now, after about 15,000 miles since the rebuild there
are signs that the crankshaft oil seal is leaking again and the timing
cover gasket is leaking oil.
> I am starting to think that the gaskets you can buy are not oil leak
proof. I think that over time oil seeps through the gasket material, NOT
between the gasket and the engine block or between the gasket and the timing
case cover but through the gasket material itself.
> I am going to replace the oil seal on the Spitfire but the question I have
for the list is should I use a gasket or use "form a gasket" RTV type
stuff? Have any of you used a gasket that is guaranteed not permeable to oil
and if so where did you buy it from?
>
> Has anyone else suspected that some gasket you can by from reputable
dealers like TRF, Moss or Rimmers are in reality permeable to oil?
>
> Stuart A Greenwood
> San Diego Ca
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