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Carl,
=20
I was not aware of the ropes used on other British cars, other than my =
Austin-Healey, which still originally leaked oil at the rear crank area.
For both my TR3a and Healey, I installed the after-marked rear seal =
kits, which eliminated all oil leaks from the rear crankshaft area.
=20
=20
=20
From: Triumphs <triumphs-bounces@autox.team.net> On Behalf Of Carl =
Sereda
Sent: Sunday, February 9, 2025 2:06 PM
To: triumphs@autox.team.net
Subject: [TR] TR Rear Crank Seal Rope?
=20
Hi Listers,
=20
This has been on my mind for quite some time;
=20
Why do TR2 through TR4A rear crank seals NOT USE a graphited rope in the =
'purpose-made' groove in the scrolled aluminum holder, when Jaguars with =
the same type of 'scrolled' crankshaft/seal groove do, as well as some =
early Ford, Jeep and other brands of motors?
=20
Did the Triumph engineers decide against it even though the rear =
aluminum crank seal parts were already cast?
=20
The special graphited seal rope is still available at Moss (for early =
Jags) and other makes of that period..
=20
And I recently read that someone found a rope seal in their TR4 crank =
seal upon tear down!.. and he mentions that prior to tear down the rear =
crank seal leaked very little.
=20
To me, it looks like the TR motor rear seal was designed to use a rope =
just like early Jaguars yet no mention in TR factory manuals.
=20
Been tempted to add the graphited rope.. why not?
=20
Regards,
=20
Carl
'63 TR4 since '74
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link=3D"#467886" vlink=3D"#96607D" style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif'>Carl,<o:p></o:p=
></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif'><o:p> </o:=
p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif'>I was not =
aware of the ropes used on other British cars, other than my =
Austin-Healey, which still originally leaked oil at the rear crank =
area.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif'>For both my =
TR3a and Healey, I installed the after-marked rear seal kits, which =
eliminated all oil leaks from the rear crankshaft =
area.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif'><o:p> </o:=
p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif'><o:p> </o:=
p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Arial",sans-serif'><o:p> </o:=
p></span></p><div><div style=3D'border:none;border-top:solid #E1E1E1 =
1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMsoNormal><b><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> =
Triumphs <triumphs-bounces@autox.team.net> <b>On Behalf Of =
</b>Carl Sereda<br><b>Sent:</b> Sunday, February 9, 2025 2:06 =
PM<br><b>To:</b> triumphs@autox.team.net<br><b>Subject:</b> [TR] TR Rear =
Crank Seal Rope?<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><div><p class=3DMsoNormal>Hi =
Listers,<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>This has been on my mind for quite some =
time;<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>Why do TR2 through TR4A rear crank seals NOT USE a =
graphited rope in the 'purpose-made' groove in the scrolled aluminum =
holder, when Jaguars with the same type of 'scrolled' crankshaft/seal =
groove do, as well as some early Ford, Jeep and other brands of =
motors?<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>Did the Triumph engineers decide against it even =
though the rear aluminum crank seal parts were already =
cast?<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>The special graphited seal rope is still available at =
Moss (for early Jags) and other makes of that =
period..<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>And I recently read that someone found a rope seal in =
their TR4 crank seal upon tear down!.. and he mentions that prior to =
tear down the rear crank seal leaked very =
little.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>To me, it looks like the TR motor rear seal was =
designed to use a rope just like early Jaguars yet no mention in TR =
factory manuals.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>Been tempted to add the graphited rope.. why =
not?<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>Regards,<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>Carl<o:p></o:p></p></div><div><p class=3DMsoNormal>'63 =
TR4 since '74<o:p></o:p></p></div></div></body></html>
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