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I already took that pin out. This is my first shot at rebuilding an engine
and I'm afraid to just try and force something together. I finally gave
FelPro a call and the guy there verified that there is an interference fit
and the two halves of the seal will appear to be too long but they should
crush down into the grooves when the cap bolts are torqued down. So I'm
keeping my fingers crossed.
Thanks,
Joe
On Wed, Jan 23, 2019, 10:48 AM Tom Hall via Tigers <tigers@autox.team.net
wrote:
> On 1/22/2019 2:55 PM, Joe Brown via Tigers wrote:
>
> Here is a question for you guys that are old hands at rebuilding engines.
> I am putting my original 260 back together after it came back from the
> machine shop and I am struggling a little bit with the two-piece rear main
> seal that came with my FelPro gasket set. The instructions say to insert
> one half of the seal into the block with about 3/8" sticking up on one
> side. This should result in the other side being about 3/8" below the edge
> of the block. The other half goes into the rear main cap with the same
> offset so that it mates up with the half that is in the block.
>
> My problem is that the two halves of the seal seem to be too long. If I
> insert one half so that 3/8" is sticking up on side it is only about .2"
> down on the other side. So I can't get the rear main cap to seat
> correctly. Is it common to have to trim the two halves so that they will
> mate correctly? Or should I just go buy another seal and hope it works
> better? (Thankfully I live just a few miles from a Summit Racing warehouse)
>
> Thanks,
> Joe Brown
>
> _______________________________________________
> tigers@autox.team.net
>
> Donate: http://www.team.net/donate.html
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>
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>
> Joe,
>
> If your 260 still had a "rope" style rear seal, you should find a small
> sharp pin pressed into the seal groove. This pin held the "rope" so that
> it couldn't turn in it's groove. It would also keep your new rubber "lip"
> seal from seating down into the groove, resulting in the seal appearing to
> be too long. If I remember correctly, this pin is in the main cap and
> should be just visable in the groove for the pan gasket. You drive it out
> with a small diameter drift punch.
>
> Your best solution would have been to have the machine shop bore the block
> and rear cap for a later one piece seal, but I think you are too far down
> the road to do this now.
>
> --
> Tom Hall
> ModTiger Engineering LLC
> 5712 San Luis Court
> Pleasanton, CA 94566modtiger@comcast.net
> (925)462-3876www.tigerengineering.net
>
> _______________________________________________
>
> tigers@autox.team.net
>
> Donate: http://www.team.net/donate.html
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>
>
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Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr"><div dir=3D"auto">I already took that pin out. This is my =
first shot at rebuilding an engine and I'm afraid to just try and force=
something together.=C2=A0 I finally gave FelPro a call and the guy there v=
erified that there is an interference fit and the two halves of the seal wi=
ll appear to be too long but they should crush down into the grooves when t=
he cap bolts are torqued down.=C2=A0 So I'm keeping my fingers crossed.=
</div><div dir=3D"auto"><br></div><div>Thanks,</div><div>Joe=C2=A0</div></d=
iv><br><div class=3D"gmail_quote"><div dir=3D"ltr">On Wed, Jan 23, 2019, 10=
:48 AM Tom Hall via Tigers <<a href=3D"mailto:tigers@autox.team.net"; tar=
get=3D"_blank">tigers@autox.team.net</a> wrote:<br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex">
=20
=20
=20
<div bgcolor=3D"#FFFFFF">
<div class=3D"gmail-m_3626617638071388113m_5960324314192894567moz-cite-=
prefix">On 1/22/2019 2:55 PM, Joe Brown via
Tigers wrote:<br>
</div>
<blockquote type=3D"cite">
=20
<div dir=3D"ltr">Here is a question for you guys that are old hands
at rebuilding engines.=C2=A0 I am putting my original 260 back
together after it came back from the machine shop and I am
struggling a little bit with the two-piece rear main seal that
came with my FelPro gasket set.=C2=A0 The instructions say to inser=
t
one half of the seal into the block with about 3/8" sticking u=
p
on one side. This should result in the other side being about
3/8" below the edge of the block.=C2=A0 The other half goes in=
to the
rear main cap with the same offset so that it mates up with the
half that is in the block.
<div><br>
</div>
<div style=3D"text-align:right">My problem is that the two halves
of the seal seem to be too long.=C2=A0 If I insert one half so th=
at
3/8" is sticking up on side it is only about .2" down o=
n the
other side.=C2=A0 So I can't get the rear main cap to seat
correctly.=C2=A0 Is it common to have to trim the two halves so
that they will mate correctly?=C2=A0 Or should I just go buy
another seal and hope it works better?=C2=A0 (Thankfully I live
just a few miles from a Summit Racing warehouse)</div>
<div><br>
</div>
<div>Thanks,</div>
<div>Joe Brown</div>
</div>
<br>
<fieldset class=3D"gmail-m_3626617638071388113m_5960324314192894567mi=
meAttachmentHeader"></fieldset>
<pre class=3D"gmail-m_3626617638071388113m_5960324314192894567moz-quo=
te-pre">_______________________________________________
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</pre>
</blockquote>
<p>Joe, <br>
</p>
<p>If your 260 still had a "rope" style rear seal, you should=
find a
small sharp pin pressed into the seal groove.=C2=A0 This pin held the
"rope" so that it couldn't turn in it's groove.=C2=
=A0 It would also
keep your new rubber "lip" seal from seating down into the =
groove,
resulting in the seal appearing to be too long.=C2=A0 If I remember
correctly, this pin is in the main cap and should be just visable
in the groove for the pan gasket.=C2=A0 You drive it out with a small
diameter drift punch.=C2=A0 <br>
</p>
<p>Your best solution would have been to have the machine shop bore
the block and rear cap for a later one piece seal, but I think you
are too far down the road to do this now.<br>
</p>
<pre class=3D"gmail-m_3626617638071388113m_5960324314192894567moz-signa=
ture" cols=3D"72">--=20
Tom Hall
ModTiger Engineering LLC
5712 San Luis Court
Pleasanton, CA 94566
<a class=3D"gmail-m_3626617638071388113m_5960324314192894567moz-txt-link-ab=
breviated" href=3D"mailto:modtiger@comcast.net"; rel=3D"noreferrer" target=
=3D"_blank">modtiger@comcast.net</a>
(925)462-3876
<a class=3D"gmail-m_3626617638071388113m_5960324314192894567moz-txt-link-ab=
breviated" href=3D"http://www.tigerengineering.net"; rel=3D"noreferrer" targ=
et=3D"_blank">www.tigerengineering.net</a> </pre>
</div>
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<br>
<br>
</blockquote></div>
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