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Joe
I=E2=80=99m not the expert here but I believe that is =
correct.
I believe you need some compressive force on that seal to obtain a =
proper seal to the crank.
If you have an engine builder in the area talk to him.
=20
My edition of How to build a Small Block Ford states 13 ft lbs of torque =
to turn the crankshaft with all the crank bearings installed.
I don=E2=80=99t see a specific spec for this torque listed anywhere so =
that is probably just a guide line.
=20
Seems to me some years ago I saw mentioned that Egge had a better seal =
for the small block Ford but I don=E2=80=99t remember following up on =
that information.
=20
Ron Fraser
=20
From: Tigers <tigers-bounces@autox.team.net> On Behalf Of Joe Brown via =
Tigers
Sent: Tuesday, January 22, 2019 5:56 PM
To: Tigers Den <Tigers@autox.team.net>
Subject: [Tigers] Rear Main Seal Question
=20
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.
=20
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)
=20
Thanks,
Joe Brown
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link=3D"#0563C1" vlink=3D"#954F72"><div class=3DWordSection1><p =
class=3DMsoNormal>Joe<o:p></o:p></p><p =
class=3DMsoNormal>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 I=E2=80=99m not the expert here but I =
believe that is correct.<o:p></o:p></p><p class=3DMsoNormal>I believe =
you need some compressive force on that seal to obtain a proper seal to =
the crank.<o:p></o:p></p><p class=3DMsoNormal>If you have an engine =
builder in the area talk to him.<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>My edition =
of How to build a Small Block Ford states 13 ft lbs of torque to turn =
the crankshaft with all the crank bearings installed.<o:p></o:p></p><p =
class=3DMsoNormal>I don=E2=80=99t see a specific spec for this torque =
listed anywhere so that=C2=A0 is probably just a guide =
line.<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal>Seems to me some years ago I saw mentioned that Egge =
had a better seal for the small block Ford but I don=E2=80=99t remember =
following up on that information.<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal>Ron =
Fraser<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal><b>From:</b> Tigers =
<tigers-bounces@autox.team.net> <b>On Behalf Of </b>Joe Brown via =
Tigers<br><b>Sent:</b> Tuesday, January 22, 2019 5:56 PM<br><b>To:</b> =
Tigers Den <Tigers@autox.team.net><br><b>Subject:</b> [Tigers] =
Rear Main Seal Question<o:p></o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><div><p class=3DMsoNormal>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.<o:p></o:p></p><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><p class=3DMsoNormal =
align=3Dright style=3D'text-align:right'>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)<o:p></o:p></p><div><p =
class=3DMsoNormal><o:p> </o:p></p></div><div><p =
class=3DMsoNormal>Thanks,<o:p></o:p></p></div><div><p =
class=3DMsoNormal>Joe =
Brown<o:p></o:p></p></div></div></div></body></html>
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