Re: [Healeys] FW: Oil again

[WILLIAM B LAWRENCE <ynotink@msn.com>]

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Thanks for the advise Larry=2C
Yeah=2C I was wondering about the piston clearance since I don't really kno=
w what the stock deck height is supposed to be or how much it has been cut =
before. I'm planning on using Denis Welch's 100M pistons and their MLS head=
 gasket. I suppose I could use a shim to clear the pistons if they are too =
close=2C but that would defeat the purpose of the MLS gasket. Instead of th=
at I've been thinking of having the top of the piston (ring around the pock=
et) cut back enough to clear the head if necessary. The metal seems to be p=
lenty thick there.
I'm planning to do several fit ups with an old gasket (assuming the new gas=
ket will crush to the near the same dimension) and check for interference a=
nd clearances with some modeling clay. I've heard there is an optimal pisto=
n to head dimension to reduce the squish area while still allowing clearanc=
e for rod thermal expansion. If you have any information on that or on any =
other tricks or rules of thumb I could use the info.
I'm sending my camshaft back to Iskendarian to have it freshened up. I real=
ly liked their grind so don't feel the need to change.
Checking over the engine while I was disassembling it=2C a lot of the grime=
 I thought was coming from gasketed joints was actually from the copious am=
ounts of oil running out of the head joint. Most of my joints seemed to be =
successfully sealed although I may have had a problem with the rear lip sea=
l. I think I overextended the garter spring while I was assembling it. Not =
a lot of room for my big clumsy fingers to manipulate the spring. I think I=
'll assemble it on the crank before I lay it in the block this time. I'm al=
ways amazed when I think about the rear cam journal being sealed by a gaske=
t on the end plate. It's a miracle it doesn't leak=2C but I guess most don'=
t. Extra support there would be a good thing.
Right now I'm working on sourcing parts and I'm running into a blank wall w=
hen I look for good quality engine bearings. Moss has some trimetal rod bea=
rings by King=2C but I don't know anything about them and I would want the =
same for the mains too. I'd like to find some Vandervells or similar qualit=
y bearings=2C but all their parts lists I've seen don't include the A90 eng=
ine.
Again=2C thanks for your input. I'm going to need all the help I can get.
Oh=2C and while the engine is down I'm going to be working on the body and =
interior too. A Healey has an image to uphold and so far mine is falling sh=
ort.
Bill LawrenceBN1 #554


From: varley@cosmos.net.au
To: ynotink@msn.com=3B eyera3@gmail.com
CC: healeys@autox.team.net
Subject: RE: [Healeys] FW: Oil again
Date: Wed=2C 24 Jun 2015 14:25:36 +1000

Hi Bill. .012 is a long way out! Make sure you don=92t end up with pistons =
coming up above deck height. If you already have a rear main seal conversio=
n=2C check firstly that the rear engine plate is flat=2C they are quite thi=
n on the 100. Also you will see when you get the rear plate gasket=2C the g=
asket may have 2 extra holes across the bottom that appear to not be needed=
. Some blocks had 2 extra holes across the bottom to hold the rear engine p=
late. The addition of these extra holes and bolts can help seal the engine =
plate and stop leaks that can appear to be rear main leaks but aren=92t. Al=
so when fitting the new head gasket it=92s worth using a little ( very litt=
le ) sealer on the gasket down the spark plug side as the water galleries a=
re very close to the edge of the head=2C so often you will get a very sligh=
t water weep from the gasket.CheersLarry Varley From: Healeys [mailto:heale=
ys-bounces@autox.team.net] On Behalf Of WILLIAM B LAWRENCE
Sent: Wednesday=2C 24 June 2015 1:03 PM
To: I Erbs
Cc: healeys@autox.team.net
Subject: Re: [Healeys] FW: Oil again Aw that's nothing. My car has always l=
eaked oil profusely even though I thought I had covered all the bases the l=
ast time I rebuilt it. Lip seals on both ends of the crankshaft=2C careful =
fitting and Hylomar on all of the exterior gaskets and the rear main bearin=
g block. It still wouldn't hold oil (or a head gasket). Now it is down agai=
n (broken pistons on #1 and #2) so I'm doing a total rebuild. The first ite=
m of business is machine work on the block and the machinist said (roughly)=
 that the top of the block resembled a ski jump=2C one corner was 0.012" hi=
gher than the other. I guess because of that I couldn't get the gasket to s=
eal around the oil passage and all the oil was running out of the head gask=
et and down both sides of the engine=2C not to mention contaminating the co=
olant system. Looks like some select vendors will be separating me from mor=
e of my money... Bill LawrenceBN1 #554Date: Mon=2C 22 Jun 2015 11:33:11 -07=
00
Subject: Re: [Healeys] FW: Oil again
From: eyera3@gmail.com
To: ynotink@msn.com
CC: glemon@neb.rr.com=3B healeys@autox.team.netYa know oil doesn't stay in =
my car very long anyway to worry about. Seriously=2C  I found the problem m=
 The back of the valve cover was flat=2C plus the gasket had slid forward M=
r. Ira ErbsOn Jun 20=2C 2015 8:21 AM=2C "WILLIAM B LAWRENCE" <ynotink@msn.c=
om> wrote:Greg=2C I don't think the brand matters much. They all have to me=
et the API specification. I think all the rest is marketing. From: glemon@n=
eb.rr.com
To: ynotink@msn.com=3B healeys@autox.team.net
Subject: Re: [Healeys] FW: Oil again
Date: Sat=2C 20 Jun 2015 01:02:40 -0500Thank you Bill=2C although it doesn'=
t tell me which brand to pick=2C your clear explanation of the oil codes an=
d changes in formulation give a very good background for someone trying to =
muddle through the oil choice issues classic car drivers face these days=2C=
 and understand why oil choice/availability had become a significant issue.=
 Greg Lemon From: WILLIAM B LAWRENCE Sent: Thursday=2C June 18=2C 2015 6:58=
 PMTo: healeys@autox.team.net Subject: [Healeys] FW: Oil again  From: ynoti=
nk@msn.com
To: michael.oritt@gmail.com
Subject: RE: [Healeys] Oil again
Date: Thu=2C 18 Jun 2015 03:08:45 +0000I see I'm late to the party on this =
topic. I was up in the Rocky Mountains participating in the Glenwood Spring=
s Rallye when it started and frankly I wish I still were. However=2C at the=
 risk of being called ignorant=2C uninformed=2C commie pinko or whatever I =
have a little information that may be of help in sorting out the oil confus=
ion.   Engine oil comes in generations as defined by the additive packages =
which are blended in to tailor them for specific purposes. These generation=
s can be traced by the API codes which are located on the container.  The A=
PI code is two letters found on the label. The first letter is either a C=
=2C which denotes the oil is intended for use in a compression ignition eng=
ine=2C or an S which denotes it is intended for use in a spark ignition eng=
ine. The second letter denotes the type of use intended and follows the dev=
elopment of the internal combustion engine from the most primitive (A) to t=
he most sophisticated (I think they are at O Now). protective amounts of zi=
nc were dropped from the additive package at SM. Any oil before that=2C or =
say from SD through SL=2C still contains zinc. It may be true that zinc is =
not necessary for engines after the camshaft break-in=2C but I prefer to be=
 cautious on that score so I look for oil that is SL or earlier. I'll let t=
he more informed and adventurous members conduct that experiment... Some he=
avy duty oils such as Chevron Delo or Rotella are rated for both compressio=
n ignition and for spark ignition service and will show both a C and an S r=
ating. In some cases those oils will still have an SM or later rating. The =
one oil type I have found that is reliably rated below SM is four stroke mo=
torcycle oil because motorcycles don't have catalysts. Typically it is rate=
d SF or SG. Since the oil has no way of knowing it is being run in an autom=
otive engine and my Healey doesn't know the oil it's spewing is meant for a=
 motorcycle I have been running Castrol 4T in 20W-50 grade quite happily. A=
s for the controversy part=2C if we start banning contentious topics we soo=
n won't have anything to talk about like most modern college campuses. Bill=
 LawrenceBN1 #554From: michael.oritt@gmail.com
Date: Sat=2C 13 Jun 2015 06:14:11 -0400
To: javrugtman@htcnet.org
CC: healeys@autox.team.net
Subject: Re: [Healeys] Oil againWe ALWAYS talk about oil and no one seems t=
o have the answer=2C so we simply keep talking about it.  For a change let'=
s talk about politics or religion=2C two topics which are susceptible to ab=
solute rectitude. Many or most of us do not have the correct answers on eit=
her and someone here--perhaps an unknown lurker--may choose to now come for=
ward with his or her enlightenment and reveal it to us.   To mix a metaphor=
=2C I now listen with a jaundiced eye. Best--Michael Oritt  On Fri=2C Jun 1=
2=2C 2015 at 7:45 PM=2C John Vrugtman <javrugtman@htcnet.org> wrote:politic=
s and religion=2C like water and oil=2C don't mix.  On the other hand=2C oi=
l and Healeys mix very well.
JAVOn 6/12/2015 7:16 PM=2C Richard Kahn wrote:I think topics like politics=
=2C religion=2C and oil should be taboo. There is no best in any of these t=
opics.
Rich Kahn

=20
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<body class=3D'hmmessage'><div dir=3D'ltr'>Thanks for the advise Larry=2C<d=
iv><br></div><div>Yeah=2C I was wondering about the piston clearance since =
I don't really know what the stock deck height is supposed to be or how muc=
h it has been cut before. I'm planning on using Denis Welch's 100M pistons =
and their MLS head gasket. I suppose I could use a shim to clear the piston=
s if they are too close=2C but that would defeat the purpose of the MLS gas=
ket. Instead of that I've been thinking of having the top of the piston (ri=
ng around the pocket) cut back enough to clear the head if necessary. The m=
etal seems to be plenty thick there.</div><div><br></div><div>I'm planning =
to do several fit ups with an old gasket (assuming the new gasket will crus=
h to the near the same dimension) and check for interference and clearances=
 with some modeling clay. I've heard there is an optimal piston to head dim=
ension to reduce the squish area while still allowing clearance for rod the=
rmal expansion. If you have any information on that or on any other tricks =
or rules of thumb I could use the info.</div><div><br></div><div>I'm sendin=
g my camshaft back to Iskendarian to have it freshened up. I really liked t=
heir grind so don't feel the need to change.</div><div><br></div><div>Check=
ing over the engine while I was disassembling it=2C a lot of the grime I th=
ought was coming from gasketed joints was actually from the copious amounts=
 of oil running out of the head joint. Most of my joints seemed to be succe=
ssfully sealed although I may have had a problem with the rear lip seal. I =
think I overextended the garter spring while I was assembling it. Not a lot=
 of room for my big clumsy fingers to manipulate the spring. I think I'll a=
ssemble it on the crank before I lay it in the block this time. I'm always =
amazed when I think about the rear cam journal being sealed by a gasket on =
the end plate. It's a miracle it doesn't leak=2C but I guess most don't. Ex=
tra support there would be a good thing.</div><div><br></div><div>Right now=
 I'm working on sourcing parts and I'm running into a blank wall when I loo=
k for good quality engine bearings. Moss has some trimetal rod bearings by =
King=2C but I don't know anything about them and I would want the same for =
the mains too. I'd like to find some Vandervells or similar quality bearing=
s=2C but all their parts lists I've seen don't include the A90 engine.</div=
><div><br></div><div>Again=2C thanks for your input. I'm going to need all =
the help I can get.</div><div><br></div><div>Oh=2C and while the engine is =
down I'm going to be working on the body and interior too. A Healey has an =
image to uphold and so far mine is falling short.</div><div><br></div><div>=
Bill Lawrence</div><div>BN1 #554</div><div><br></div><div><br><br><div><hr =
id=3D"stopSpelling">From: varley@cosmos.net.au<br>To: ynotink@msn.com=3B ey=
era3@gmail.com<br>CC: healeys@autox.team.net<br>Subject: RE: [Healeys] FW: =
Oil again<br>Date: Wed=2C 24 Jun 2015 14:25:36 +1000<br><br><style><!--=0A=
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--></style><div class=3D"ecxWordSection1"><p class=3D"ecxMsoNormal"><span s=
tyle=3D"font-size:11.0pt=3Bfont-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsa=
ns-serif&quot=3B=3Bcolor:#1F497D=3B">Hi Bill. .012 is a long way out! Make =
sure you don=92t end up with pistons coming up above deck height. If you al=
ready have a rear main seal conversion=2C check firstly that the rear engin=
e plate is flat=2C they are quite thin on the 100. Also you will see when y=
ou get the rear plate gasket=2C the gasket may have 2 extra holes across th=
e bottom that appear to not be needed. Some blocks had 2 extra holes across=
 the bottom to hold the rear engine plate. The addition of these extra hole=
s and bolts can help seal the engine plate and stop leaks that can appear t=
o be rear main leaks but aren=92t. Also when fitting the new head gasket it=
=92s worth using a little ( very little ) sealer on the gasket down the spa=
rk plug side as the water galleries are very close to the edge of the head=
=2C so often you will get a very slight water weep from the gasket.</span><=
/p><p class=3D"ecxMsoNormal"><span style=3D"font-size:11.0pt=3Bfont-family:=
&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3Bcolor:#1F497D=3B">Ch=
eers</span></p><p class=3D"ecxMsoNormal"><span style=3D"font-size:11.0pt=3B=
font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3Bcolor:#1=
F497D=3B">Larry Varley</span></p><p class=3D"ecxMsoNormal"><span style=3D"f=
ont-size:11.0pt=3Bfont-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&=
quot=3B=3Bcolor:#1F497D=3B">&nbsp=3B</span></p><div><div style=3D"border:no=
ne=3Bborder-top:solid #B5C4DF 1.0pt=3Bpadding:3.0pt 0cm 0cm 0cm=3B"><p clas=
s=3D"ecxMsoNormal"><b><span lang=3D"EN-US" style=3D"font-size:10.0pt=3Bfont=
-family:&quot=3BTahoma&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">From:</span=
></b><span lang=3D"EN-US" style=3D"font-size:10.0pt=3Bfont-family:&quot=3BT=
ahoma&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B"> Healeys [mailto:healeys-bou=
nces@autox.team.net] <b>On Behalf Of </b>WILLIAM B LAWRENCE<br><b>Sent:</b>=
 Wednesday=2C 24 June 2015 1:03 PM<br><b>To:</b> I Erbs<br><b>Cc:</b> heale=
ys@autox.team.net<br><b>Subject:</b> Re: [Healeys] FW: Oil again</span></p>=
</div></div><p class=3D"ecxMsoNormal">&nbsp=3B</p><div><p class=3D"ecxMsoNo=
rmal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-ser=
if&quot=3B=3B">Aw that's nothing. My car has always leaked oil profusely ev=
en though I thought I had covered all the bases the last time I rebuilt it.=
 Lip seals on both ends of the crankshaft=2C careful fitting and Hylomar on=
 all of the exterior gaskets and the rear main bearing block. It still woul=
dn't hold oil (or a head gasket). Now it is down again (broken pistons on #=
1 and #2) so I'm doing a total rebuild. The first item of business is machi=
ne work on the block and the machinist said (roughly) that the top of the b=
lock resembled a ski jump=2C one corner was 0.012" higher than the other. I=
 guess because of that I couldn't get the gasket to seal around the oil pas=
sage and all the oil was running out of the head gasket and down both sides=
 of the engine=2C not to mention contaminating the coolant system. Looks li=
ke some select vendors will be separating me from more of my money...</span=
></p><div><p class=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCali=
bri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">&nbsp=3B</span></p></div><div>=
<p class=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&quot=
=3B=2C&quot=3Bsans-serif&quot=3B=3B">Bill Lawrence</span></p></div><div><p =
class=3D"ecxMsoNormal" style=3D""><span style=3D"font-family:&quot=3BCalibr=
i&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">BN1 #554</span></p><div><div cla=
ss=3D"ecxMsoNormal" align=3D"center" style=3D"text-align:center=3B"><span s=
tyle=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B=
"><hr size=3D"2" width=3D"100%" align=3D"center" id=3D"ecxstopSpelling"></s=
pan></div><p class=3D"ecxMsoNormal" style=3D""><span style=3D"font-family:&=
quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">Date: Mon=2C 22 Jun=
 2015 11:33:11 -0700<br>Subject: Re: [Healeys] FW: Oil again<br>From: <a hr=
ef=3D"mailto:eyera3@gmail.com";>eyera3@gmail.com</a><br>To: <a href=3D"mailt=
o:ynotink@msn.com">ynotink@msn.com</a><br>CC: <a href=3D"mailto:glemon@neb.=
rr.com">glemon@neb.rr.com</a>=3B <a href=3D"mailto:healeys@autox.team.net";>=
healeys@autox.team.net</a></span></p><p class=3D"ecxMsoNormal"><span style=
=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">Ya=
 know oil doesn't stay in my car very long anyway to worry about. Seriously=
=2C&nbsp=3B I found the problem m The back of the valve cover was flat=2C p=
lus the gasket had slid forward </span></p><p class=3D"ecxMsoNormal"><span =
style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=
=3B">Mr. Ira Erbs</span></p><div><p class=3D"ecxMsoNormal"><span style=3D"f=
ont-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">On Jun =
20=2C 2015 8:21 AM=2C "WILLIAM B LAWRENCE" &lt=3B<a href=3D"mailto:ynotink@=
msn.com">ynotink@msn.com</a>&gt=3B wrote:</span></p><div><div><p class=3D"e=
cxMsoNormal" style=3D""><span style=3D"font-family:&quot=3BCalibri&quot=3B=
=2C&quot=3Bsans-serif&quot=3B=3B">Greg=2C I don't think the brand matters m=
uch. They all have to meet the API specification. I think all the rest is m=
arketing.&nbsp=3B</span></p><div><div class=3D"ecxMsoNormal" align=3D"cente=
r" style=3D"text-align:center=3B"><span style=3D"font-family:&quot=3BCalibr=
i&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B"><hr size=3D"2" width=3D"100%" al=
ign=3D"center"></span></div><p class=3D"ecxMsoNormal" style=3D""><span styl=
e=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">F=
rom: <a href=3D"mailto:glemon@neb.rr.com"; target=3D"_blank">glemon@neb.rr.c=
om</a><br>To: <a href=3D"mailto:ynotink@msn.com"; target=3D"_blank">ynotink@=
msn.com</a>=3B <a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank">=
healeys@autox.team.net</a><br>Subject: Re: [Healeys] FW: Oil again<br>Date:=
 Sat=2C 20 Jun 2015 01:02:40 -0500</span></p><div><p class=3D"ecxMsoNormal"=
><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&qu=
ot=3B=3B">Thank you Bill=2C although it doesn't tell me which brand to pick=
=2C your clear explanation of the oil codes and changes in formulation give=
 a very good background for someone trying to muddle through the oil choice=
 issues classic car drivers face these days=2C and understand why oil choic=
e/availability had become a significant issue.</span></p></div><div><p clas=
s=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&qu=
ot=3Bsans-serif&quot=3B=3B">&nbsp=3B</span></p></div><div><p class=3D"ecxMs=
oNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-=
serif&quot=3B=3B">Greg Lemon</span></p></div><div><div><p class=3D"ecxMsoNo=
rmal"><span style=3D"font-size:10.0pt=3Bfont-family:&quot=3BTahoma&quot=3B=
=2C&quot=3Bsans-serif&quot=3B=3B">&nbsp=3B</span></p></div><div><div><p cla=
ss=3D"ecxMsoNormal" style=3D"background:whitesmoke=3B"><b><span style=3D"fo=
nt-size:10.0pt=3Bfont-family:&quot=3BTahoma&quot=3B=2C&quot=3Bsans-serif&qu=
ot=3B=3B">From:</span></b><span style=3D"font-size:10.0pt=3Bfont-family:&qu=
ot=3BTahoma&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B"> <a href=3D"mailto:yno=
tink@msn.com" target=3D"_blank" title=3D"ynotink@msn.com">WILLIAM B LAWRENC=
E</a> </span></p></div><div><p class=3D"ecxMsoNormal" style=3D"background:w=
hitesmoke=3B"><b><span style=3D"font-size:10.0pt=3Bfont-family:&quot=3BTaho=
ma&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">Sent:</span></b><span style=3D"=
font-size:10.0pt=3Bfont-family:&quot=3BTahoma&quot=3B=2C&quot=3Bsans-serif&=
quot=3B=3B"> Thursday=2C June 18=2C 2015 6:58 PM</span></p></div><div><p cl=
ass=3D"ecxMsoNormal" style=3D"background:whitesmoke=3B"><b><span style=3D"f=
ont-size:10.0pt=3Bfont-family:&quot=3BTahoma&quot=3B=2C&quot=3Bsans-serif&q=
uot=3B=3B">To:</span></b><span style=3D"font-size:10.0pt=3Bfont-family:&quo=
t=3BTahoma&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B"> <a href=3D"mailto:heal=
eys@autox.team.net" target=3D"_blank" title=3D"healeys@autox.team.net">heal=
eys@autox.team.net</a> </span></p></div><div><p class=3D"ecxMsoNormal" styl=
e=3D"background:whitesmoke=3B"><b><span style=3D"font-size:10.0pt=3Bfont-fa=
mily:&quot=3BTahoma&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">Subject:</span=
></b><span style=3D"font-size:10.0pt=3Bfont-family:&quot=3BTahoma&quot=3B=
=2C&quot=3Bsans-serif&quot=3B=3B"> [Healeys] FW: Oil again</span></p></div>=
</div></div><div><p class=3D"ecxMsoNormal"><span style=3D"font-family:&quot=
=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">&nbsp=3B</span></p></di=
v><div><p class=3D"ecxMsoNormal" style=3D""><span style=3D"font-family:&quo=
t=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">&nbsp=3B</span></p><di=
v><div class=3D"ecxMsoNormal" align=3D"center" style=3D"text-align:center=
=3B"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-seri=
f&quot=3B=3B"><hr size=3D"2" width=3D"100%" align=3D"center"></span></div><=
p class=3D"ecxMsoNormal" style=3D""><span style=3D"font-family:&quot=3BCali=
bri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">From: <a href=3D"mailto:ynotin=
k@msn.com" target=3D"_blank">ynotink@msn.com</a><br>To: <a href=3D"mailto:m=
ichael.oritt@gmail.com" target=3D"_blank">michael.oritt@gmail.com</a><br>Su=
bject: RE: [Healeys] Oil again<br>Date: Thu=2C 18 Jun 2015 03:08:45 +0000</=
span></p><div><p class=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3B=
Calibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">I see I'm late to the part=
y on this topic. I was up in the Rocky Mountains participating in the Glenw=
ood Springs Rallye when it started and frankly I wish I still were. However=
=2C at the risk of being called ignorant=2C uninformed=2C commie pinko or w=
hatever I have a little information that may be of help in sorting out the =
oil confusion.&nbsp=3B </span></p><div><p class=3D"ecxMsoNormal"><span styl=
e=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">&=
nbsp=3B</span></p></div><div><p class=3D"ecxMsoNormal"><span style=3D"font-=
family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">Engine oil =
comes in generations as defined by the additive packages which are blended =
in to tailor them for specific purposes. These generations can be traced by=
 the API codes which are located on the container.&nbsp=3B</span></p></div>=
<div><p class=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&q=
uot=3B=2C&quot=3Bsans-serif&quot=3B=3B">&nbsp=3B</span></p></div><div><p cl=
ass=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&=
quot=3Bsans-serif&quot=3B=3B">The API code is two letters found on the labe=
l.&nbsp=3BThe first letter is either a C=2C which denotes the oil is intend=
ed for use in a compression ignition engine=2C or an S which denotes it is =
intended for use in a spark ignition engine.</span></p></div><div><p class=
=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quo=
t=3Bsans-serif&quot=3B=3B">&nbsp=3B</span></p></div><div><p class=3D"ecxMso=
Normal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-s=
erif&quot=3B=3B">The second letter denotes the type of use intended and fol=
lows the development of the internal combustion engine from the most primit=
ive (A) to the most sophisticated (I think they are at O Now). protective a=
mounts of zinc were dropped from the additive package at SM. Any oil before=
 that=2C or say from SD through SL=2C still contains zinc.</span></p></div>=
<div><p class=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&q=
uot=3B=2C&quot=3Bsans-serif&quot=3B=3B">&nbsp=3B</span></p></div><div><p cl=
ass=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&=
quot=3Bsans-serif&quot=3B=3B">It may be true that zinc is not necessary for=
 engines after the camshaft break-in=2C but I prefer to be cautious on that=
 score so I look for oil that is SL or earlier. I'll let the more informed =
and adventurous members conduct that experiment...</span></p></div><div><p =
class=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=
=2C&quot=3Bsans-serif&quot=3B=3B">&nbsp=3B</span></p></div><div><p class=3D=
"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=
=3Bsans-serif&quot=3B=3B">Some heavy duty oils such as Chevron Delo or Rote=
lla are rated for both compression ignition and for spark ignition service =
and will show both a C and an S rating. In some cases those oils will still=
 have an SM or later rating.</span></p></div><div><p class=3D"ecxMsoNormal"=
><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&qu=
ot=3B=3B">&nbsp=3B</span></p></div><div><p class=3D"ecxMsoNormal"><span sty=
le=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">=
The one oil type I have found that is reliably rated below SM is four strok=
e motorcycle oil because motorcycles don't have catalysts. Typically it is =
rated SF or SG.&nbsp=3BSince the oil has no way of knowing it is being run =
in an automotive engine and my Healey doesn't know the oil it's spewing is =
meant for a motorcycle I have been running Castrol 4T in 20W-50 grade quite=
 happily.</span></p></div><div><p class=3D"ecxMsoNormal"><span style=3D"fon=
t-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">&nbsp=3B<=
/span></p></div><div><p class=3D"ecxMsoNormal"><span style=3D"font-family:&=
quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">As for the controve=
rsy part=2C if we start banning contentious topics we soon won't have anyth=
ing to talk about like most modern college campuses.</span></p></div><div><=
p class=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=
=2C&quot=3Bsans-serif&quot=3B=3B">&nbsp=3B</span></p></div><div><p class=3D=
"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=
=3Bsans-serif&quot=3B=3B">Bill Lawrence</span></p></div><div><p class=3D"ec=
xMsoNormal" style=3D""><span style=3D"font-family:&quot=3BCalibri&quot=3B=
=2C&quot=3Bsans-serif&quot=3B=3B">BN1 #554</span></p><div><div class=3D"ecx=
MsoNormal" align=3D"center" style=3D"text-align:center=3B"><span style=3D"f=
ont-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B"><hr siz=
e=3D"2" width=3D"100%" align=3D"center"></span></div><p class=3D"ecxMsoNorm=
al" style=3D""><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=
=3Bsans-serif&quot=3B=3B">From: <a href=3D"mailto:michael.oritt@gmail.com"; =
target=3D"_blank">michael.oritt@gmail.com</a><br>Date: Sat=2C 13 Jun 2015 0=
6:14:11 -0400<br>To: <a href=3D"mailto:javrugtman@htcnet.org"; target=3D"_bl=
ank">javrugtman@htcnet.org</a><br>CC: <a href=3D"mailto:healeys@autox.team.=
net" target=3D"_blank">healeys@autox.team.net</a><br>Subject: Re: [Healeys]=
 Oil again</span></p><div><div><p class=3D"ecxMsoNormal"><span style=3D"fon=
t-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3Bcolor:#3333=
FF=3B">We ALWAYS talk about oil and no one seems to have the answer=2C so w=
e simply keep talking about it. &nbsp=3B</span></p></div><div><p class=3D"e=
cxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bs=
ans-serif&quot=3B=3Bcolor:#3333FF=3B">For a change let's talk about politic=
s or religion=2C two topics which are susceptible to absolute rectitude. Ma=
ny or most of us do not have the correct answers on either and someone here=
--perhaps an unknown lurker--may choose to now come forward with his or her=
 enlightenment and reveal it to us. &nbsp=3B</span></p></div><div><p class=
=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quo=
t=3Bsans-serif&quot=3B=3Bcolor:#3333FF=3B">&nbsp=3B</span></p></div><div><p=
 class=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=
=2C&quot=3Bsans-serif&quot=3B=3Bcolor:#3333FF=3B">To mix a metaphor=2C I no=
w listen with a jaundiced eye.</span></p></div><div><p class=3D"ecxMsoNorma=
l"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-serif&=
quot=3B=3Bcolor:#3333FF=3B">&nbsp=3B</span></p></div><div><p class=3D"ecxMs=
oNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quot=3Bsans-=
serif&quot=3B=3Bcolor:#3333FF=3B">Best--Michael Oritt&nbsp=3B</span></p></d=
iv></div><div><p class=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3B=
Calibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">&nbsp=3B</span></p><div><p=
 class=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=
=2C&quot=3Bsans-serif&quot=3B=3B">On Fri=2C Jun 12=2C 2015 at 7:45 PM=2C Jo=
hn Vrugtman &lt=3B<a href=3D"mailto:javrugtman@htcnet.org"; target=3D"_blank=
">javrugtman@htcnet.org</a>&gt=3B wrote:</span></p><div><p class=3D"ecxMsoN=
ormal" style=3D""><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quo=
t=3Bsans-serif&quot=3B=3B">politics and religion=2C like water and oil=2C d=
on't mix.&nbsp=3B On the other hand=2C oil and Healeys mix very well.<br>JA=
V</span></p><div><p class=3D"ecxMsoNormal"><span style=3D"font-family:&quot=
=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">On 6/12/2015 7:16 PM=2C=
 Richard Kahn wrote:</span></p></div><blockquote style=3D""><div><p class=
=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalibri&quot=3B=2C&quo=
t=3Bsans-serif&quot=3B=3B">I think topics like politics=2C religion=2C and =
oil should be taboo. There is no best in any of these topics.<br>Rich Kahn<=
/span></p></div><p class=3D"ecxMsoNormal"><span style=3D"font-family:&quot=
=3BCalibri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B"><br><br></span></p></bl=
ockquote><p class=3D"ecxMsoNormal"><span style=3D"font-family:&quot=3BCalib=
ri&quot=3B=2C&quot=3Bsans-serif&quot=3B=3B">&nbsp=3B</span></p></div><p cla=
ss=3D"ecxMsoNormal" style=3D""><span style=3D"font-family:&quot=3BCalibri&q=
uot=3B=2C&quot=3Bsans-serif&quot=3B=3B"><br>_______________________________=
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