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Bob-that was another place the synthetic comes out...thru the threads.=
=0AIf you use anything, like pipe sealer or PTFE (teflon) just be carefu=
l=0Anot to get any near the entrance to your overdrive. Overdrive oil mu=
st=0Abe spotless due to the tiny drillings in the system. I was able to=
fix=0Amy seeps elsewhere with Permatex "Right Stuff" but be careful aga=
in to=0Ado a very neat job. I still recommend regular 30W non detergent=
=0Amineral oil (as does the factory book) to refill the trans and OD.=0A=
Some modern oils can foam in the overdrive and cause issues.=0AEven thou=
gh the factory manual states not to use sealant around the=0Acasing seal=
of the brake ring-that will leak with most synthetics and=0Aalso seep w=
ith regular oil. Had to" Right stuff" the casing seam post=0Arebuild to=
stop that seeping. Another place synthetic runs out is at=0Athe bottom=
casing plug. I do not have too much experience using=0Asilicone gaskets=
. I rebuilt with paper and aircraft sealer (old=0Aschool-but original).=
I expected leaks or else it wouldn't be=0Aauthentic British. Hank=0A=0A=
=09-----------------------------------------From: "Robert Begani" =0ATo:=
"Harold Manifold"=0ACc: =0ASent: Monday January 13 2020 5:38:23AM=0ASub=
ject: Re: [Healeys] Does synthetic oil leak more?=0A=0A=09My problem is=
leaking from the brass drain fitting in the bottom of=0Athe overdrive.=
When I used motor oil eventually by tightening the=0Afitting, the drips=
would stop. With the synthetic oil the drips will=0Anot stop. Over the=
summer, while the car was sitting in the garage,=0Athere was a puddle i=
n the plastic container I placed under the fitting=0Abefore leaving for=
cooler weather. I just tightened the fitting a=0Alittle more and the dr=
ips are reduced to 2 per day. Am thinking about=0Ausing a thread sealant=
on the fitting and RTV on the gaskets. Or, is=0Athere a silicone gasket=
available? =0A=0A=09Also, is a silicone gasket for the valve covers wor=
th the expense to=0Astop leaking? Or, a combination of silicone gasket a=
nd Ultra Permatex?=0AI have aluminum alloy valve cover. =0A=0A=09Bob Beg=
ani =0A=0A=09FROM: Healeys ON BEHALF OF Harold Manifold=0A SENT: Satu=
rday, January 11, 2020 11:51 AM=0A TO: warthodson@aol.com; 050.rpl@gmail=
.com; healeys@autox.team.net=0A SUBJECT: Re: [Healeys] Does synthetic oi=
l leak more? =0A=0A=09Hello, =0A=0A=09All of your observations are a f=
actor. Here are some comments from an=0Aarticle about synthetic oil leak=
s: =0A=0A=09Synthetic oil WILL NOT cause leaks. It may however make alre=
ady=0Aworn-out gaskets/seals more evident, by leaking past them, and/or=
=0Acleaning any sludge and other gunk that was sealing the existing leak=
.=0AThis is because Synthetic oil has much better cleaning properties,=
=0Aflows much better than conventional oil, and hence also lubricates=0A=
much better than conventional oil (This is a good thing). =0A=0A=09I use=
a GL-4 synthetic gear oil in my transmission and it leaks.=0ABelieve it=
not not one of the leak mechanisms is from the interior=0Aalong the bol=
ts and drips from the bolt head on the exterior. I am=0Achanging the gas=
kets on my transmission and trying bonded sealing=0Aneoprene washers on=
the fasteners. =0A=0A=09I may be pursuing the impossible dream of a lea=
k free Healey....=0AHarold =0A=0A-------------------------=0A=0A=09FROM:=
warthodson@aol.com [1] [mailto:warthodson@aol.com [2]] =0A SENT: Saturd=
ay, January 11, 2020 7:24 AM=0A TO: manifold@telus.net [3]; 050.rpl@gmai=
l.com [4];=0Ahealeys@autox.team.net [5]=0A SUBJECT: Does synthetic oil l=
eak more? =0A=0A=09I am not a leak expert, but I find this hard to unde=
rstand. For there=0Ato be a leak there has to be a hole. Is it because t=
he synthetic oil=0Amolecules are smaller than the non-synthetic oil mole=
cules? Given that=0Athe "holes" come in different sizes this seems illog=
ical. Is it=0Abecause the synthetic oil is more slippery? How is that me=
asured? How=0Amuch more slippery is it? =0A=0A=09Gary Hodson =0A=0A=
=09-----Original Message-----=0A From: Harold Manifold =0A To: 'R. Linds=
ay' ; 'Healey List' =0A Sent: Fri, Jan 10, 2020 7:55 pm=0A Subject: Re:=
[Healeys] Rear Axle Oil =0A=0A The biggest difference you will notice=
with synthetic gear oils is=0Athey leak=0A more than non-synthetic. =
=0A=0ALinks:=0A------=0A[1] mailto:warthodson@aol.com=0A[2] mailto:w=
arthodson@aol.com=0A[3] mailto:manifold@telus.net=0A[4] mailto:050.rpl@g=
mail.com=0A[5] mailto:healeys@autox.team.net=0A[6] mailto:manifold@telus=
.net=0A[7] mailto:050.rpl@gmail.com=0A[8] mailto:healeys@autox.team.net=
=0A
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<html><body>Bob-that was another place the synthetic comes out...thru th=
e threads. If you use anything, like pipe sealer or PTFE (teflon) just b=
e careful not to get any near the entrance to your overdrive. Over=
drive oil must be spotless due to the tiny drillings in the system. I wa=
s able to fix my seeps elsewhere with Permatex "Right Stuff" but be care=
ful again to do a very neat job. I still recommend regular 30W non deter=
gent mineral oil (as does the factory book) to refill the trans and OD.=
Some modern oils can foam in the overdrive and cause issues.<div><br></=
div><div>Even though the factory manual states not to use sealant around=
the casing seal of the brake ring-that will leak with most synthetics a=
nd also seep with regular oil. Had to" Right stuff" the casing seam post=
rebuild to stop that seeping. Another place synthetic runs out is at th=
e bottom casing plug. I do not have too much experience using silicone g=
askets. I rebuilt with paper and aircraft sealer (old school-but o=
riginal). I expected leaks or else it wouldn't be authentic Britis=
h. Hank<br><br><div class=3D"reply-new-signature"></div><p>-------------=
----------------------------</p>From: "Robert Begani" <rfbegani@gmail.co=
m><br>To: "Harold Manifold"<br>Cc: <br>Sent: Monday January 13 2020 5:38=
:23AM<br>Subject: Re: [Healeys] Does synthetic oil leak more?<br><br><me=
ta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
><meta name=3D"Generator" content=3D"Microsoft Word 15 (filtered medium)=
"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}=0Ao\:* {behavi=
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text-decoration:none none;}=0A.MsoChpDefault=0A=09{mso-style-type:export=
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0in;=0A=09margin:1.0in 1.0in 1.0in 1.0in;}=0Adiv.WordSection1=0A=09{page=
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v:ext=3D"edit" spidmax=3D"1026" />=0A</xml><![endif]--><!--[if gte mso=
9]><xml>=0A<o:shapelayout v:ext=3D"edit">=0A<o:idmap v:ext=3D"edit" dat=
a=3D"1" />=0A</o:shapelayout></xml><![endif]-->=0A<div class=3D"WordSect=
ion1">=0A <p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-fa=
mily:"Arial",sans-serif;color:#1F497D">My problem is leaking f=
rom the brass drain fitting in the bottom of the overdrive. When I=
used motor oil eventually by tightening the fitting, the drips would st=
op. With the synthetic oil the drips will not stop. Ov=
er the summer, while the car was sitting in the garage, there was a pudd=
le in the plastic container I placed under the fitting before leaving fo=
r cooler weather. I just tightened the fitting a little more and t=
he drips are reduced to 2 per day. Am thinking about using a threa=
d sealant on the fitting and RTV on the gaskets. Or, is there a si=
licone gasket available?</span></p>=0A <p class=3D"MsoNormal"><span styl=
e=3D"font-size:12.0pt;font-family:"Arial",sans-serif;color:#1F=
497D"> </span></p>=0A <p class=3D"MsoNormal"><span style=3D"font-si=
ze:12.0pt;font-family:"Arial",sans-serif;color:#1F497D">Also,=
is a silicone gasket for the valve covers worth the expense to stop lea=
king? Or, a combination of silicone gasket and Ultra Permatex?&nbs=
p; I have aluminum alloy valve cover.</span></p>=0A <p class=3D"MsoNorma=
l"><span style=3D"font-size:12.0pt;font-family:"Arial",sans-se=
rif;color:#1F497D"> </span></p>=0A <p class=3D"MsoNormal"><span sty=
le=3D"font-size:12.0pt;font-family:"Arial",sans-serif;color:#1=
F497D">Bob Begani</span></p>=0A <div>=0A <div style=3D"border:none;bord=
er-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">=0A <p class=3D"=
MsoNormal"><b>From:</b> Healeys <healeys-bounces@autox.team.net> <=
b>On Behalf Of </b>Harold Manifold<br>=0A <b>Sent:</b> Saturday, Janua=
ry 11, 2020 11:51 AM<br>=0A <b>To:</b> warthodson@aol.com; 050.rpl@gma=
il.com; healeys@autox.team.net<br>=0A <b>Subject:</b> Re: [Healeys] Do=
es synthetic oil leak more?</p>=0A </div>=0A </div>=0A <p class=3D"MsoN=
ormal"> </p>=0A <p class=3D"MsoNormal"><span style=3D"font-size:10.=
0pt;font-family:"Arial",sans-serif;color:blue">Hello,</span></=
p>=0A <p class=3D"MsoNormal"> </p>=0A <p class=3D"MsoNormal"><span=
style=3D"font-size:10.0pt;font-family:"Arial",sans-serif;colo=
r:blue">All of your observations are a factor. Here are some commen=
ts from an article about synthetic oil leaks:</span></p>=0A <p class=3D"=
MsoNormal"> </p>=0A <p class=3D"MsoNormal">Synthetic oil WILL NOT c=
ause leaks. It may however make already worn-out gaskets/seals more evid=
ent, by leaking past them, and/or cleaning any sludge and other gunk tha=
t was sealing the existing leak. This is because Synthetic oil has much=
better cleaning properties, flows much better than conventional oil, an=
d hence also lubricates much better than conventional oil (This is a goo=
d thing).</p>=0A <p class=3D"MsoNormal"> </p>=0A <p class=3D"MsoNor=
mal"><span style=3D"font-size:10.0pt;font-family:"Arial",sans-=
serif;color:blue">I use a GL-4 synthetic gear oil in my transmission and=
it leaks. Believe it not not one of the leak mechanisms is from the int=
erior along the bolts and drips from the bolt head on the exterior. I am=
changing the gaskets on my transmission and trying bonded sealing neopr=
ene washers on the fasteners.</span></p>=0A <p class=3D"MsoNormal"> =
;</p>=0A <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-fam=
ily:"Arial",sans-serif;color:blue">I may be pursuing the=
impossible dream of a leak free Healey.... Harold</span></p>=0A <p clas=
s=3D"MsoNormal"> </p>=0A <div class=3D"MsoNormal" style=3D"text-ali=
gn:center; margin: auto;">=0A <hr style=3D"size: 2px; width: 100%; text=
-align: center;">=0A </div>=0A <p class=3D"MsoNormal" style=3D"margin-bo=
ttom:12.0pt"><b><span style=3D"font-size:10.0pt;font-family:"Tahoma=
",sans-serif">From:</span></b><span style=3D"font-size:10.0pt;font-=
family:"Tahoma",sans-serif"> <a target=3D"_blank" href=3D"mail=
to:warthodson@aol.com">warthodson@aol.com</a> [<a target=3D"_blank" href=
=3D"mailto:warthodson@aol.com";>mailto:warthodson@aol.com</a>] <br>=0A <b=
>Sent:</b> Saturday, January 11, 2020 7:24 AM<br>=0A <b>To:</b> <a targe=
t=3D"_blank" href=3D"mailto:manifold@telus.net";>manifold@telus.net</a>;=
<a target=3D"_blank" href=3D"mailto:050.rpl@gmail.com";>050.rpl@gmail.co=
m</a>; <a target=3D"_blank" href=3D"mailto:healeys@autox.team.net";>heale=
ys@autox.team.net</a><br>=0A <b>Subject:</b> Does synthetic oil leak mor=
e?</span></p>=0A <div>=0A <p class=3D"MsoNormal"><span style=3D"font-si=
ze:10.0pt;font-family:"Arial",sans-serif;color:black">I am not=
a leak expert, but I find this hard to understand. For there to be a le=
ak there has to be a hole. Is it because the synthetic oil molecules are=
smaller than the non-synthetic oil molecules? Given that the "holes" co=
me in different sizes this seems illogical. Is it because the synthetic=
oil is more slippery? How is that measured? How much more slippery is i=
t? </span></p>=0A <div>=0A <p class=3D"MsoNormal" style=3D"marg=
in-bottom:12.0pt"><span style=3D"font-size:10.0pt;font-family:"Aria=
l",sans-serif;color:black">Gary Hodson</span></p>=0A <div>=0A =
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span style=3D"fo=
nt-size:10.0pt;font-family:"Arial",sans-serif;color:black">---=
--Original Message-----<br>=0A From: Harold Manifold <<a target=3D=
"_blank" href=3D"mailto:manifold@telus.net";>manifold@telus.net</a>><b=
r>=0A To: 'R. Lindsay' <<a target=3D"_blank" href=3D"mailto:050.rp=
l@gmail.com">050.rpl@gmail.com</a>>; 'Healey List' <<a target=3D"_=
blank" href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</a>=
><br>=0A Sent: Fri, Jan 10, 2020 7:55 pm<br>=0A Subject: Re: [H=
ealeys] Rear Axle Oil</span></p>=0A <div>=0A <p class=3D"MsoNorma=
l"><span style=3D"font-size:10.0pt;font-family:"Arial",sans-se=
rif;color:black"><br>=0A The biggest difference you will notice with=
synthetic gear oils is they leak<br>=0A more than non-synthetic.&nb=
sp;</span></p>=0A </div>=0A </div>=0A </div>=0A </div>=0A</div>=0A=
</rfbegani@gmail.com></div></body></html>
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