Subject: Re: [Healeys] Rear Main Seal Conversion

From: Harold Manifold <[email-masked]>
Date: Wed, 7 Jun 2023 11:31:46 -0600

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">Roger,<div><br></div><div>As far as I know t=
here are two versions of the rear main seal conversion. However, going back 2=
0 years there may have been other version. One type is the red square and th=
e other is the round unpainted type. The retaining spring is removed from th=
e seal and then the seal is cut through so it can fit around the crankshaft t=
hen the retaining spring is fitted. The cut in the seal is at 12 o=E2=80=99c=
lock. Quite possibly both versions use the same seal.</div><div><br></div><d=
iv>Remove the old seal out and take BC Bearing/Motion Industries, they shoul=
d be able to match. It would suggest sealing the holder for the seal to the b=
lock with RTV when reassembling.</div><div><br></div><div>I will send some p=
ictures.<br><br><div dir=3D"ltr">Harold Manifold</div><div dir=3D"ltr"><br><=
blockquote type=3D"cite">On Jun 7, 2023, at 9:41 AM, Roger Grace &lt;roggrac=
[email-masked]&gt; wrote:<br><br></blockquote></div><blockquote type=3D"cite"><=
div dir=3D"ltr">=EF=BB=BF<div dir=3D"ltr"><div>I would really appreciate hea=
ring from people with experience doing this task.</div><div>BJ8 with clutch a=
nd flywheel removed.</div><div>Engine has had the rear main oil seal convers=
ion done some time ago. Now leaking badly. Objective is to replace the lip s=
eal. Am assuming it was a Moss one. It looks similar - is there a way to pos=
itively identify the source of the original conversion kit ?</div><div>Were t=
here other kits available around, say 20 years ago ?</div><div><br></div><di=
v>So have loosened the 4 x cap screws that secure the upper and lower housin=
g to the back plate. The housing is now loose. Struggling to remove the cap s=
crews. Their heads seem too big to come out the flywheel bolt holes ? Need t=
o move housing forward so then can loosen the screws that secure the top and=
 lower housings together.<br></div><div>Next move would be to move crankshaf=
t a few degrees to give more clearance - nervous screws may drop into a bad l=
ocation !</div><div>So ideas/thoughts please ?</div><div>Moss have&nbsp; a r=
eplacement lip seal that will order and will assume will fit as doubt that t=
here are many variations.</div><div>Thank you</div><div>rg<br></div><div><br=
></div><div><br></div><div><br></div><div><br></div></div><div id=3D"DAB4FAD=
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From: Roger Grace <[email-masked]>
Date: Wed, 7 Jun 2023 10:56:08 -0700

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Later ...
Have reread the install instructions, and silly me realise I have to remove
the rear plate too.
This would explain why cant get the cap screws out.
rg

---------- Forwarded message ---------
From: Roger Grace <[email-masked]>
Date: Wed, Jun 7, 2023 at 8:32=E2=80=AFAM
Subject: Rear Main Seal Conversion
To: Healeys <[email-masked]>

I would really appreciate hearing from people with experience doing this
task.
BJ8 with clutch and flywheel removed.
Engine has had the rear main oil seal conversion done some time ago. Now
leaking badly. Objective is to replace the lip seal. Am assuming it was a
Moss one. It looks similar - is there a way to positively identify the
source of the original conversion kit ?
Were there other kits available around, say 20 years ago ?

So have loosened the 4 x cap screws that secure the upper and lower housing
to the back plate. The housing is now loose. Struggling to remove the cap
screws. Their heads seem too big to come out the flywheel bolt holes ? Need
to move housing forward so then can loosen the screws that secure the top
and lower housings together.
Next move would be to move crankshaft a few degrees to give more clearance
- nervous screws may drop into a bad location !
So ideas/thoughts please ?
Moss have  a replacement lip seal that will order and will assume will fit
as doubt that there are many variations.
Thank you
rg

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<div dir=3D"ltr"><div>Later ...</div><div>Have reread the install instructi=
ons, and silly me realise I have to remove the rear plate too.</div><div>Th=
is would explain why cant get the cap screws out.</div><div>rg<br></div><di=
v><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">----=
------ Forwarded message ---------<br>From: <b class=3D"gmail_sendername" d=
ir=3D"auto">Roger Grace</b> <span dir=3D"auto">&lt;<a href=3D"mailto:roggra=
[email-masked]">[email-masked]</a>&gt;</span><br>Date: Wed, Jun 7, 2023 a=
t 8:32=E2=80=AFAM<br>Subject: Rear Main Seal Conversion<br>To: Healeys &lt;=
<a href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<br=
></div><br><br><div dir=3D"ltr"><div>I would really appreciate hearing from=
 people with experience doing this task.</div><div>BJ8 with clutch and flyw=
heel removed.</div><div>Engine has had the rear main oil seal conversion do=
ne some time ago. Now leaking badly. Objective is to replace the lip seal. =
Am assuming it was a Moss one. It looks similar - is there a way to positiv=
ely identify the source of the original conversion kit ?</div><div>Were the=
re other kits available around, say 20 years ago ?</div><div><br></div><div=
>So have loosened the 4 x cap screws that secure the upper and lower housin=
g to the back plate. The housing is now loose. Struggling to remove the cap=
 screws. Their heads seem too big to come out the flywheel bolt holes ? Nee=
d to move housing forward so then can loosen the screws that secure the top=
 and lower housings together.<br></div><div>Next move would be to move cran=
kshaft a few degrees to give more clearance - nervous screws may drop into =
a bad location !</div><div>So ideas/thoughts please ?</div><div>Moss have=
=C2=A0 a replacement lip seal that will order and will assume will fit as d=
oubt that there are many variations.</div><div>Thank you</div><div>rg<br></=
div><div><br></div><div><br></div><div><br></div><div><br></div></div><div =
id=3D"m_-9146201452356006390DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2"><br><tabl=
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