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[Fot] Rear Main Oil Seal Options

To: FOT List Triumph <fot@autox.team.net>
Subject: [Fot] Rear Main Oil Seal Options
From: Dan via Fot <fot@autox.team.net>
Date: Fri, 20 Feb 2015 22:40:04 -0500
Cc: Triumph List <triumphs@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
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2/20
Good Evening All
I Am reaching out to all TR owners for your thoughts and advice =
concerning a decision I will soon need to confront.

Several years ago I went in on a "pool purchase" led by Mordy D and have =
a beautiful billet steel Cower crank---built without the rear scroll and =
to the 2.50" dia. that was used at the time for the then new and =
improved "Lip Seal"  I was planning on using.=20

Fast forward to today and the really new Viton rear seal kit which I =
have purchased and would really like to use now that the engine is =
finally getting built. =20

I am meeting with a couple of crankshaft specialists here in the Detroit =
Metro Area the first of the week to see if they think they can build up =
(with weld) the area that the scroll would have occupied and machine it =
back to match the stock crank configuration in order to use the Viton =
Seal.  This leads me to ask two questions:
1)      Has anyone had this done or heard of it being done and if so any =
cautions or suggestions or lessons learned?

2)      Has anyone tried to use the Viton Seal on a crank that has had =
the scroll machined off and what has been the end result of this =
experiment, or would it be better to just use the now old "lip seal" and =
tighten up the carrier and lip seal and shorten the spring a bit to try =
and grip the 2.50 diameter surface a bit closer.?

Any thoughts, cautions, theories, etc any of you have or could share =
(either via the list or privately) will be most appreciated.  I have a =
lot of cool things going into this motor build and really do not want to =
screw it up doing something I do not fully understand.

Thanks,=20
Dan Cronin
adcronin@gmail.com=

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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><font color=3D"#38571a" class=3D"">2/20</font><div =
class=3D""><font color=3D"#38571a" class=3D"">Good Evening =
All</font></div><div class=3D""><font color=3D"#38571a" class=3D"">I Am =
reaching out to all TR owners for your thoughts and advice concerning a =
decision I will soon need to confront.</font></div><div class=3D""><font =
color=3D"#38571a" class=3D""><br class=3D""></font></div><div =
class=3D""><font color=3D"#38571a" class=3D"">Several years ago I went =
in on a "pool purchase" led by Mordy D and have a beautiful billet steel =
Cower crank---built without the rear scroll and to the 2.50" dia. that =
was used at the time for the then new and improved "Lip Seal" &nbsp;I =
was planning on using.&nbsp;</font></div><div class=3D""><font =
color=3D"#38571a" class=3D""><br class=3D""></font></div><div =
class=3D""><font color=3D"#38571a" class=3D"">Fast forward to today and =
the really new Viton rear seal kit which I have purchased and would =
really like to use now that the engine is finally getting built. =
&nbsp;</font></div><div class=3D""><font color=3D"#38571a" class=3D""><br =
class=3D""></font></div><div class=3D""><font color=3D"#38571a" =
class=3D"">I am meeting with a couple of crankshaft specialists here in =
the Detroit Metro Area the first of the week to see if they think they =
can build up (with weld) the area that the scroll would have occupied =
and machine it back to match the stock crank configuration in order to =
use the Viton Seal. &nbsp;This leads me to ask two =
questions:</font></div><div class=3D""><font color=3D"#38571a" =
class=3D"">1)<span class=3D"Apple-tab-span" style=3D"white-space:pre">  =
</span>Has anyone had this done or heard of it being done and if so any =
cautions or suggestions or lessons learned?</font></div><div =
class=3D""><font color=3D"#38571a" class=3D""><br =
class=3D""></font></div><div class=3D""><font color=3D"#38571a" =
class=3D"">2)<span class=3D"Apple-tab-span" style=3D"white-space:pre">  =
</span>Has anyone tried to use the Viton Seal on a crank that has had =
the scroll machined off and what has been the end result of this =
experiment, or would it be better to just use the now old "lip seal" and =
tighten up the carrier and lip seal and shorten the spring a bit to try =
and grip the 2.50 diameter surface a bit closer.?</font></div><div =
class=3D""><font color=3D"#38571a" class=3D""><br =
class=3D""></font></div><div class=3D""><font color=3D"#38571a" =
class=3D"">Any thoughts, cautions, theories, etc any of you have or =
could share (either via the list or privately) will be most appreciated. =
&nbsp;I have a lot of cool things going into this motor build and really =
do not want to screw it up doing something I do not fully =
understand.</font></div><div class=3D""><font color=3D"#38571a" =
class=3D""><br class=3D""></font></div><div class=3D""><font =
color=3D"#38571a" class=3D"">Thanks,&nbsp;</font></div><div =
class=3D""><font color=3D"#38571a" class=3D"">Dan =
Cronin</font></div><div class=3D""><font color=3D"#38571a" class=3D""><a =
href=3D"mailto:adcronin@gmail.com"; =
class=3D"">adcronin@gmail.com</a></font></div></body></html>=

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