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Michael--
Thanks for your input and I am certainly willing to forgo the expense and
trouble of having a rear seal fit if there is a strong chance of it not
being successful.
Besides (being an aging male) I should probably have the grace to allow my
car to have an occasional drip or two.
A couple of questions....
Q1--As said earlier my car does not have a great amount of leakage through
the cotter pin in the bell housing, though I do seem to remember that it
leaked more after the engine was freshly rebuilt about 70K miles ago. My
oil pressure has also dropped about 10-15 psi from where it was after the
rebuild. Assuming that a fresh engine will have higher oil pressure will
that result in higher crankcase pressures which would tend to increase
leakage past the scroll seal?
Q2--My car has an early aftermarket valve cover and looks like the ones
sold by Ray Juncal minus one fin and with a flat versus a slightly convex
top surface. There is no vent nipple and it has a spring-loaded filler cap
that probably does not make a tight seal though there is no oil blow-by.
Is there a real advantage to installing a PCV valve and if so where should
the hose terminate? I removed the original LeMans kit CAB some time back
and would prefer not to refit it.
Thanks--Michael Oritt
On Sat, Nov 4, 2023 at 4:04=E2=80=AFPM Michael Salter <michaelsalter@gmail.=
com>
wrote:
> I've fitted a couple of those kits and have been somewhat underwhelmed.
> Firstly you have to be VERY careful with the rear cap machining
> alignment, definitely a case of measure twice, cut once. I would strongl=
y
> recommend that the cap is in place on the block for this operation.
> Secondly I was very disappointed to find that the designers decided that
> it was just too much effort to utilize the 3 tapped holes already in the
> block to secure the upper half of the seal holder and instead required th=
at
> one drill and tap 2 more holes for that purpose.
> Thirdly, and I appreciate that there is possibly no way around this but,
> the scroll on the crankshaft has to be machined off which is something th=
at
> you should have your crank grinder do when the crank is being machined. I
> did mine in my 8" lathe and it's pretty scary having that huge hunk of
> steel spinning between centers (don't forget to disable the chuck brake .=
..
> rather frightening to notice the chuck winding off the spindle as you pow=
er
> it down=F0=9F=98=B3=F0=9F=98=B3).
> Finally, after all that effort, there was still a small leak from the rea=
r
> main which I finally resolved by installing my PCV.
> kit.
> https://precisionsportscar.com/austin-healey-100-engine-oil-leak-solution=
/
>
> In future I'm not going to bother with the seal kit and just fot the PCV.
>
> M
>
> On Fri., Nov. 3, 2023, 11:19 p.m. Michael Oritt, <michael.oritt@gmail.com=
>
> wrote:
>
>> I'm having my 100's engine done this winter and though it's not a
>> terrible leaker I''d like to install a rear seal kit to tighten things u=
p
>> as much as possible.
>> I know there are several different kits available and would appreciate
>> any input on which one to select along with installation tips.
>>
>> Best--Michael Oritt
>> _______________________________________________
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"color:#3333ff">Micha=
el--</div><div class=3D"gmail_default" style=3D"color:#3333ff"><br></div><d=
iv class=3D"gmail_default" style=3D"color:#3333ff">Thanks for your input an=
d I am certainly willing to forgo the expense and trouble of having a rear =
seal fit if there is a strong chance of it not being successful.=C2=A0=C2=
=A0</div><div class=3D"gmail_default" style=3D"color:#3333ff">Besides (bein=
g an aging male) I should probably have the grace to allow my car to have a=
n occasional drip or two.</div><div class=3D"gmail_default" style=3D"color:=
#3333ff"><br></div><div class=3D"gmail_default" style=3D"color:#3333ff">A c=
ouple of questions....</div><div class=3D"gmail_default" style=3D"color:#33=
33ff"><br></div><div class=3D"gmail_default" style=3D"color:#3333ff">Q1--As=
said earlier my car does not have a great amount of leakage through the co=
tter pin in the bell housing, though I do seem to remember that it leaked m=
ore after the engine was freshly rebuilt about 70K miles ago.=C2=A0 My oil =
pressure has also dropped about 10-15 psi from where it was after the rebui=
ld.=C2=A0 Assuming that a fresh engine will have higher oil pressure will t=
hat result in higher crankcase pressures which would tend to increase leaka=
ge past the scroll seal?</div><div class=3D"gmail_default" style=3D"color:#=
3333ff"><br></div><div class=3D"gmail_default" style=3D"color:#3333ff">Q2--=
My car has an early aftermarket valve cover and looks like the ones sold by=
Ray Juncal minus one fin and with a flat versus a slightly convex top surf=
ace.=C2=A0 There is no vent nipple and it has a spring-loaded filler cap th=
at probably does not make a tight seal though there is no oil blow-by.=C2=
=A0 Is there a real=C2=A0advantage to installing a PCV valve and if so wher=
e should the hose terminate?=C2=A0 I removed the original LeMans kit CAB so=
me time back and would prefer not to refit it.</div><div class=3D"gmail_def=
ault" style=3D"color:#3333ff"><br></div><div class=3D"gmail_default" style=
=3D"color:#3333ff">Thanks--Michael Oritt=C2=A0</div><div class=3D"gmail_def=
ault" style=3D"color:#3333ff">=C2=A0 =C2=A0<br></div></div><br><div class=
=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, Nov 4, 2023 =
at 4:04=E2=80=AFPM Michael Salter <<a href=3D"mailto:michaelsalter@gmail=
.com">michaelsalter@gmail.com</a>> wrote:<br></div><blockquote class=3D"=
gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(20=
4,204,204);padding-left:1ex"><div dir=3D"auto">I've fitted a couple of =
those kits and have been somewhat underwhelmed.=C2=A0<div dir=3D"auto">Firs=
tly you have to be VERY careful with the rear cap machining alignment,=C2=
=A0 definitely a case of measure twice, cut once. I would strongly recommen=
d that the cap is in place on the block for this operation.</div><div dir=
=3D"auto">Secondly I was very disappointed to find that the designers decid=
ed that it was just too much effort to utilize the 3 tapped holes already i=
n the block to secure the upper half of the seal holder and instead require=
d that one drill and tap 2 more holes for that purpose.=C2=A0</div><div dir=
=3D"auto">Thirdly, and I appreciate that there is possibly no way around th=
is but, the scroll on the crankshaft has to be machined off which is someth=
ing that you should have your crank grinder do when the crank is being mach=
ined. I did mine in my 8" lathe and it's pretty scary having that =
huge hunk of steel spinning between centers (don't forget to disable th=
e chuck brake ... rather frightening to notice the chuck winding off the sp=
indle as you power it down=F0=9F=98=B3=F0=9F=98=B3).</div><div dir=3D"auto"=
>Finally, after all that effort, there was still a small leak from the rear=
main which I finally resolved by installing my PCV.=C2=A0</div><div dir=3D=
"auto">=C2=A0kit.=C2=A0<a href=3D"https://precisionsportscar.com/austin-hea=
ley-100-engine-oil-leak-solution/" target=3D"_blank">https://precisionsport=
scar.com/austin-healey-100-engine-oil-leak-solution/</a></div><div dir=3D"a=
uto"><br></div><div dir=3D"auto">In future I'm not going to bother with=
the seal kit and just fot the PCV.</div><div dir=3D"auto"><br></div><div d=
ir=3D"auto">M</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" cl=
ass=3D"gmail_attr">On Fri., Nov. 3, 2023, 11:19 p.m. Michael Oritt, <<a =
href=3D"mailto:michael.oritt@gmail.com"; target=3D"_blank">michael.oritt@gma=
il.com</a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"m=
argin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left=
:1ex"><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"color:rgb(51,5=
1,255)">I'm having my 100's engine done this winter and though it&#=
39;s not a terrible leaker I''d like to install a rear seal kit to =
tighten things up as much as possible.<br>I know there are several differen=
t kits available and would appreciate any input on which one to select alon=
g with installation tips.<br><br>Best--Michael Oritt<br></div></div>
_______________________________________________<br>
rer noreferrer" target=3D"_blank">http://www.team.net/donate.html</a><br>
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</blockquote></div>
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