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PCV kit here.
https://precisionsportscar.com/austin-healey-100-engine-oil-leak-solution/
On Sun., Nov. 5, 2023, 9:45 a.m. Michael Oritt, <michael.oritt@gmail.com>
wrote:
> *Q--Michael I would be interested to know why you are thinking that a
> rebuild is necessary at this stage. The drop in oil pressure alone would
> IMHO not be reason enough. Is the engine making odd noises or burning
> excessive amounts of oil? Perhaps a "ring and bearing" job would be the
> best way to go.*
>
> *A--There are no odd noises and oil consumption isn't bad, though it is
> more than when the engine was fresh. I have not done a recent compressio=
n
> check either static or dynamic but as said oil pressure has dropped
> considerably from when the engine was fresh perhap 15-20 psi across the
> board with hot idle pressure of 10-15 psi. I did replace the oil pump la=
st
> year which resulted in perhaps a 5 psi increase in pressure and as a
> further experiment I also replaced the bearing shells that were accessibl=
e
> by dropping the sump (lower shells to cylinders 3 and 4) but neither of t=
he
> last two resulted in a substantial increase in pressure. Naturally if th=
e
> teardown shows a lot of wear in rings and bores I'd be happy to keep thin=
gs
> to that. *
>
> 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 c=
ap
> 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 shoul=
d
> the hose terminate? I removed the original LeMans kit CAB some time back
> and would prefer not to refit it.
> *The PCV system that I've developed doesn't involve the rocker cover at
> all and, by the sounds of it, your engine would be an ideal candidate.
> Check the web site that I showed ... the system is virtually invisible b=
ut
> does require the replacement of the manifold balance pipe.*
>
> *A--Can you please give me the website address?*
>
> On Sat, Nov 4, 2023 at 11:17=E2=80=AFPM Michael Salter <michaelsalter@gma=
il.com>
> wrote:
>
>> 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?
>> *Michael I would be interested to know why you are thinking that a
>> rebuild is necessary at this stage. The drop in oil pressure alone would
>> IMHO not be reason enough. Is the engine making odd noises or burning
>> excessive amounts of oil? Perhaps a "ring and bearing" job would be the
>> best way to go.*
>>
>> 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 conve=
x
>> 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 shou=
ld
>> the hose terminate? I removed the original LeMans kit CAB some time bac=
k
>> and would prefer not to refit it.
>> *The PCV system that I've developed doesn't involve the rocker cover at
>> all and, by the sounds of it, your engine would be an ideal candidate.
>> Check the web site that I showed ... the system is virtually invisible =
but
>> does require the replacement of the manifold balance pipe.*
>>
>> M
>>
>> On Sat., Nov. 4, 2023, 6:06 p.m. Michael Oritt, <michael.oritt@gmail.com=
>
>> wrote:
>>
>>> 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 remembe=
r
>>> that it leaked more after the engine was freshly rebuilt about 70K mile=
s
>>> ago. My oil pressure has also dropped about 10-15 psi from where it wa=
s
>>> after the rebuild. Assuming that a fresh engine will have higher oil
>>> pressure will that result in higher crankcase pressures which would ten=
d 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 conv=
ex
>>> 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 sho=
uld
>>> the hose terminate? I removed the original LeMans kit CAB some time ba=
ck
>>> and would prefer not to refit it.
>>>
>>> Thanks--Michael Oritt
>>>
>>>
>>> On Sat, Nov 4, 2023 at 4:04=E2=80=AFPM Michael Salter <michaelsalter@gm=
ail.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 stro=
ngly
>>>> 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 requ=
ired
>>>> that 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 some=
thing
>>>> that 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 ch=
uck
>>>> brake ... rather frightening to notice the chuck winding off the spind=
le as
>>>> you power it down=F0=9F=98=B3=F0=9F=98=B3).
>>>> Finally, after all that effort, there was still a small leak from the
>>>> rear main which I finally resolved by installing my PCV.
>>>> kit.
>>>> https://precisionsportscar.com/austin-healey-100-engine-oil-leak-solut=
ion/
>>>>
>>>> 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 thing=
s up
>>>>> as much as possible.
>>>>> I know there are several different kits available and would appreciat=
e
>>>>> any input on which one to select along with installation tips.
>>>>>
>>>>> Best--Michael Oritt
>>>>> _______________________________________________
>>>>> Support Team.Net http://www.team.net/donate.html
>>>>> Suggested annual donation $12.75
>>>>>
>>>>> Archive: http://www.team.net/pipermail/healeys
>>>>> http://autox.team.net/archive/healeys
>>>>>
>>>>> Healeys@autox.team.net
>>>>> http://autox.team.net/mailman/listinfo/healeys
>>>>>
>>>>> Unsubscribe/Manage:
>>>>> http://autox.team.net/mailman/options/healeys/michaelsalter@gmail.com
>>>>>
>>>>>
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<div dir=3D"auto"><div dir=3D"auto">PCV kit here.</div><div dir=3D"auto"><b=
r></div><a href=3D"https://precisionsportscar.com/austin-healey-100-engine-=
oil-leak-solution/">https://precisionsportscar.com/austin-healey-100-engine=
-oil-leak-solution/</a></div><br><div class=3D"gmail_quote"><div dir=3D"ltr=
" class=3D"gmail_attr">On Sun., Nov. 5, 2023, 9:45 a.m. Michael Oritt, <=
<a href=3D"mailto:michael.oritt@gmail.com";>michael.oritt@gmail.com</a>> =
wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8e=
x;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div class=
=3D"gmail_default" style=3D"color:#3333ff"><div dir=3D"auto" style=3D"font-=
size:12.8px"><b>Q--Michael I would be interested to know why you are thinki=
ng that a rebuild is necessary at this stage. The drop in oil pressure alon=
e would IMHO not be reason enough. Is the engine making odd noises or burni=
ng excessive amounts of oil? Perhaps a "ring and bearing" job wou=
ld be the best way to go.</b></div><div dir=3D"auto" style=3D"font-size:12.=
8px"><b><br></b></div><div style=3D"font-size:12.8px"><b>A--There are no od=
d noises and oil consumption isn't bad, though it is more than when the=
engine was fresh.=C2=A0 I have not done a recent=C2=A0compression check ei=
ther static or dynamic but as said oil pressure has dropped considerably fr=
om when the engine was fresh perhap 15-20 psi across the board with hot idl=
e pressure of 10-15 psi.=C2=A0 I did replace the oil pump last year which r=
esulted in perhaps a 5 psi increase in pressure and as a further experiment=
I also replaced the bearing shells that were accessible by dropping the su=
mp (lower shells=C2=A0to cylinders 3 and 4) but neither of the last two res=
ulted in a substantial increase in pressure.=C2=A0 Naturally=C2=A0if the te=
ardown shows a lot of wear in rings and bores I'd be happy to keep thin=
gs to that.=C2=A0</b></div><div dir=3D"auto" style=3D"font-size:12.8px"><br=
></div><div dir=3D"auto" style=3D"font-size:12.8px">Q2--My car has an early=
aftermarket valve cover and looks like the ones sold by Ray Juncal minus o=
ne fin and with a flat versus a slightly convex top surface.=C2=A0 There is=
no vent nipple and it has a spring-loaded filler cap that probably does no=
t 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 where should the hose t=
erminate?=C2=A0 I removed the original LeMans kit CAB some time back and wo=
uld prefer not to refit it.</div><div dir=3D"auto" style=3D"font-size:12.8p=
x"><b>The PCV system that I've developed doesn't involve the rocker=
cover at all and, by the sounds of it, your engine would be an ideal candi=
date. Check the web site that I showed=C2=A0 ... the system is virtually in=
visible but does require the replacement of the manifold balance pipe.</b><=
/div><div dir=3D"auto" style=3D"font-size:12.8px"><b><br></b></div><div sty=
le=3D"font-size:12.8px"><b>A--Can you please give me the website address?</=
b></div></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=
=3D"gmail_attr">On Sat, Nov 4, 2023 at 11:17=E2=80=AFPM Michael Salter <=
<a href=3D"mailto:michaelsalter@gmail.com"; target=3D"_blank" rel=3D"norefer=
rer">michaelsalter@gmail.com</a>> wrote:<br></div><blockquote class=3D"g=
mail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex"><div dir=3D"auto"><div style=3D"font-size:12.8p=
x;color:rgb(51,51,255)" dir=3D"auto">Q1--As said earlier my car does not ha=
ve a great amount of leakage through the cotter pin in the bell housing, th=
ough I do seem to remember that it leaked more 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 rebuild.=C2=A0 Assuming that a fresh =
engine will have higher oil pressure will that result in higher crankcase p=
ressures which would tend to increase leakage past the scroll seal?</div><d=
iv style=3D"font-size:12.8px;color:rgb(51,51,255)" dir=3D"auto"><b>Michael =
I would be interested to know why you are thinking that a rebuild is necess=
ary at this stage. The drop in oil pressure alone would IMHO not be reason =
enough. Is the engine making odd noises or burning excessive amounts of oil=
? Perhaps a "ring and bearing" job would be the best way to go.</=
b></div><div style=3D"font-size:12.8px;color:rgb(51,51,255)" dir=3D"auto"><=
br></div><div style=3D"font-size:12.8px;color:rgb(51,51,255)" dir=3D"auto">=
Q2--My car has an early aftermarket valve cover and looks like the ones sol=
d by Ray Juncal minus one fin and with a flat versus a slightly convex top =
surface.=C2=A0 There is no vent nipple and it has a spring-loaded filler ca=
p that 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 w=
here should the hose terminate?=C2=A0 I removed the original LeMans kit CAB=
some time back and would prefer not to refit it.</div><div style=3D"font-s=
ize:12.8px;color:rgb(51,51,255)" dir=3D"auto"><b>The PCV system that I'=
ve developed doesn't involve the rocker cover at all and, by the sounds=
of it, your engine would be an ideal candidate. Check the web site that I =
showed=C2=A0 ... the system is virtually invisible but does require the rep=
lacement of the manifold balance pipe.</b></div><div style=3D"font-size:12.=
8px;color:rgb(51,51,255)" dir=3D"auto"><br></div><div style=3D"font-size:12=
.8px;color:rgb(51,51,255)" dir=3D"auto">M</div></div><br><div class=3D"gmai=
l_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sat., Nov. 4, 2023, 6:06 =
p.m. Michael Oritt, <<a href=3D"mailto:michael.oritt@gmail.com"; target=
=3D"_blank" rel=3D"noreferrer">michael.oritt@gmail.com</a>> wrote:<br></=
div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bor=
der-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><div=
class=3D"gmail_default" style=3D"color:rgb(51,51,255)">Michael--</div><div=
class=3D"gmail_default" style=3D"color:rgb(51,51,255)"><br></div><div clas=
s=3D"gmail_default" style=3D"color:rgb(51,51,255)">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:rgb(51,51,255)">Beside=
s (being an aging male) I should probably have the grace to allow my car to=
have an occasional drip or two.</div><div class=3D"gmail_default" style=3D=
"color:rgb(51,51,255)"><br></div><div class=3D"gmail_default" style=3D"colo=
r:rgb(51,51,255)">A couple of questions....</div><div class=3D"gmail_defaul=
t" style=3D"color:rgb(51,51,255)"><br></div><div class=3D"gmail_default" st=
yle=3D"color:rgb(51,51,255)">Q1--As said earlier my car does not have a gre=
at amount of leakage through the cotter pin in the bell housing, though I d=
o seem to remember that it leaked more after the engine was freshly rebuilt=
about 70K miles ago.=C2=A0 My oil pressure has also dropped about 10-15 ps=
i from where it was after the rebuild.=C2=A0 Assuming that a fresh engine w=
ill have higher oil pressure will that result in higher crankcase pressures=
which would tend to increase leakage past the scroll seal?</div><div class=
=3D"gmail_default" style=3D"color:rgb(51,51,255)"><br></div><div class=3D"g=
mail_default" style=3D"color:rgb(51,51,255)">Q2--My car has an early afterm=
arket valve cover and looks like the ones sold by Ray Juncal minus one fin =
and with a flat versus a slightly convex top surface.=C2=A0 There is no ven=
t nipple and it has a spring-loaded filler cap that probably does not make =
a tight seal though there is no oil blow-by.=C2=A0 Is there a real=C2=A0adv=
antage to installing a PCV valve and if so where should the hose terminate?=
=C2=A0 I removed the original LeMans kit CAB some time back and would prefe=
r not to refit it.</div><div class=3D"gmail_default" style=3D"color:rgb(51,=
51,255)"><br></div><div class=3D"gmail_default" style=3D"color:rgb(51,51,25=
5)">Thanks--Michael Oritt=C2=A0</div><div class=3D"gmail_default" style=3D"=
color:rgb(51,51,255)">=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"; rel=
=3D"noreferrer noreferrer" target=3D"_blank">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(204,204,204);padding-left:1ex"><div di=
r=3D"auto">I've fitted a couple of those kits and have been somewhat un=
derwhelmed.=C2=A0<div dir=3D"auto">Firstly 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 recommend that the cap is in place on the bloc=
k for this operation.</div><div dir=3D"auto">Secondly I was very disappoint=
ed to find that the designers decided that it was just too much effort to u=
tilize the 3 tapped holes already in the block to secure the upper half of =
the seal holder and instead required that one drill and tap 2 more holes fo=
r that purpose.=C2=A0</div><div dir=3D"auto">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 that you should have your crank grin=
der 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 cent=
ers (don't forget to disable the chuck brake ... rather frightening to =
notice the chuck winding off the spindle 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 inst=
alling my PCV.=C2=A0</div><div dir=3D"auto">=C2=A0kit.=C2=A0<a href=3D"http=
s://precisionsportscar.com/austin-healey-100-engine-oil-leak-solution/" rel=
=3D"noreferrer noreferrer" target=3D"_blank">https://precisionsportscar.com=
/austin-healey-100-engine-oil-leak-solution/</a></div><div dir=3D"auto"><br=
></div><div dir=3D"auto">In future I'm not going to bother with the sea=
l kit and just fot the PCV.</div><div dir=3D"auto"><br></div><div dir=3D"au=
to">M</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"g=
mail_attr">On Fri., Nov. 3, 2023, 11:19 p.m. Michael Oritt, <<a href=3D"=
mailto:michael.oritt@gmail.com"; rel=3D"noreferrer noreferrer" target=3D"_bl=
ank">michael.oritt@gmail.com</a>> wrote:<br></div><blockquote class=3D"g=
mail_quote" style=3D"margin: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" s=
tyle=3D"color:rgb(51,51,255)">I'm having my 100's engine done this =
winter and though it's not a terrible leaker I''d like to insta=
ll a rear seal kit to tighten things up as much as possible.<br>I know ther=
e are several different kits available and would appreciate any input on wh=
ich one to select along with installation tips.<br><br>Best--Michael Oritt<=
br></div></div>
_______________________________________________<br>
rer noreferrer noreferrer noreferrer" target=3D"_blank">http://www.team.net=
/donate.html</a><br>
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Archive: <a href=3D"http://www.team.net/pipermail/healeys"; rel=3D"noreferre=
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<a href=3D"mailto:Healeys@autox.team.net"; rel=3D"noreferrer noreferrer nore=
ferrer" target=3D"_blank">Healeys@autox.team.net</a><br>
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salter@gmail.com</a><br>
<br>
</blockquote></div>
</blockquote></div>
</blockquote></div>
</blockquote></div>
</blockquote></div>
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_______________________________________________
Archive: http://www.team.net/pipermail/healeys
http://autox.team.net/archive/healeys
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
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