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Thank you Bill, although it doesn't tell me which brand to pick, 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, and understand why oil =
choice/availability had become a significant issue.
Greg Lemon
From: WILLIAM B LAWRENCE=20
Sent: Thursday, June 18, 2015 6:58 PM
To: healeys@autox.team.net=20
Subject: [Healeys] FW: Oil again
-------------------------------------------------------------------------=
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From: ynotink@msn.com
To: michael.oritt@gmail.com
Subject: RE: [Healeys] Oil again
Date: Thu, 18 Jun 2015 03:08:45 +0000
I see I'm late to the party on this topic. I was up in the Rocky =
Mountains participating in the Glenwood Springs Rallye when it started =
and frankly I wish I still were. However, at the risk of being called =
ignorant, uninformed, commie pinko or whatever I have a little =
information that may be of help in sorting out the oil confusion. =20
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.=20
The API code is two letters found on the label. The first letter is =
either a C, which denotes the oil is intended for use in a compression =
ignition engine, or an S which denotes it is intended for use in a spark =
ignition engine.
The second letter denotes the type of use intended and follows the =
development of the internal combustion engine from the most primitive =
(A) to the most sophisticated (I think they are at O Now). protective =
amounts of zinc were dropped from the additive package at SM. Any oil =
before that, or say from SD through SL, still contains zinc.
It may be true that zinc is not necessary for engines after the camshaft =
break-in, 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...
Some heavy duty oils such as Chevron Delo or Rotella 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.
The one oil type I have found that is reliably rated below SM is four =
stroke motorcycle oil because motorcycles don't have catalysts. =
Typically it is rated SF or SG. Since 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.
As for the controversy part, if we start banning contentious topics we =
soon won't have anything to talk about like most modern college =
campuses.
Bill Lawrence
BN1 #554
-------------------------------------------------------------------------=
-------
From: michael.oritt@gmail.com
Date: Sat, 13 Jun 2015 06:14:11 -0400
To: javrugtman@htcnet.org
CC: healeys@autox.team.net
Subject: Re: [Healeys] Oil again
We ALWAYS talk about oil and no one seems to have the answer, so we =
simply keep talking about it. =20
For a change let's talk about politics or religion, two topics which are =
susceptible to absolute rectitude. Many 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. =20
To mix a metaphor, I now listen with a jaundiced eye.
Best--Michael Oritt=20
On Fri, Jun 12, 2015 at 7:45 PM, John Vrugtman <javrugtman@htcnet.org> =
wrote:
politics and religion, like water and oil, don't mix. On the other =
hand, oil and Healeys mix very well.
JAV
On 6/12/2015 7:16 PM, Richard Kahn wrote:
I think topics like politics, religion, and oil should be taboo. =
There is no best in any of these topics.
Rich Kahn
=20
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_______________________________________________
Archive: http://www.team.net/archive
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
http://autox.team.net/mailman/options/healeys/glemon@neb.rr.com
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<META content=3Dtext/html;charset=3Diso-8859-1 =
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leftMargin=3D0=20
topMargin=3D0 CanvasTabStop=3D"true" name=3D"Compose message area">
<DIV>Thank you Bill, although it doesn't tell me which brand to pick, =
your clear=20
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=20
car drivers face these days, and understand why oil choice/availability =
had=20
become a significant issue.</DIV>
<DIV> </DIV>
<DIV>Greg Lemon</DIV>
<DIV style=3D"FONT: 10pt Tahoma">
<DIV><BR></DIV>
<DIV style=3D"BACKGROUND: #f5f5f5">
<DIV style=3D"font-color: black"><B>From:</B> <A title=3Dynotink@msn.com =
href=3D"mailto:ynotink@msn.com";>WILLIAM B LAWRENCE</A> </DIV>
<DIV><B>Sent:</B> Thursday, June 18, 2015 6:58 PM</DIV>
<DIV><B>To:</B> <A title=3Dhealeys@autox.team.net=20
href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</A> </DIV>
<DIV><B>Subject:</B> [Healeys] FW: Oil again</DIV></DIV></DIV>
<DIV><BR></DIV>
<DIV dir=3Dltr><BR><BR>
<DIV>
<HR id=3DstopSpelling>
From: <A href=3D"mailto:ynotink@msn.com";>ynotink@msn.com</A><BR>To: <A=20
href=3D"mailto:michael.oritt@gmail.com";>michael.oritt@gmail.com</A><BR>Su=
bject:=20
RE: [Healeys] Oil again<BR>Date: Thu, 18 Jun 2015 03:08:45 +0000<BR><BR>
<STYLE><!--=0A=
.ExternalClass .ecxhmmessage P {=0A=
padding:0px;=0A=
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font-family:Calibri;=0A=
}=0A=
=0A=
--></STYLE>
<DIV dir=3Dltr>I see I'm late to the party on this topic. I was up in =
the Rocky=20
Mountains participating in the Glenwood Springs Rallye when it started =
and=20
frankly I wish I still were. However, at the risk of being called =
ignorant,=20
uninformed, commie pinko or whatever I have a little information that =
may be of=20
help in sorting out the oil confusion. =20
<DIV><BR></DIV>
<DIV>Engine oil comes in generations as defined by the additive packages =
which=20
are blended in to tailor them for specific purposes. These generations =
can be=20
traced by the API codes which are located on the container. </DIV>
<DIV><BR></DIV>
<DIV>The API code is two letters found on the label. <SPAN=20
style=3D"FONT-SIZE: 12pt">The first letter is either a C, which denotes =
the oil is=20
intended for use in a compression ignition engine, or an S which denotes =
it is=20
intended for use in a spark ignition engine.</SPAN></DIV>
<DIV><BR></DIV>
<DIV>The second letter denotes the type of use intended and follows the=20
development of the internal combustion engine from the most primitive =
(A) to the=20
most sophisticated (I think they are at O Now). protective amounts of =
zinc were=20
dropped from the additive package at SM. Any oil before that, or say =
from SD=20
through SL, still contains zinc.</DIV>
<DIV><BR></DIV>
<DIV>It may be true that zinc is not necessary for engines after the =
camshaft=20
break-in, but I prefer to be cautious on that score so I look for oil =
that is SL=20
or earlier. I'll let the more informed and adventurous members conduct =
that=20
experiment...</DIV>
<DIV><BR></DIV>
<DIV>Some heavy duty oils such as Chevron Delo or Rotella are rated for =
both=20
compression ignition and for spark ignition service and will show both a =
C and=20
an S rating. In some cases those oils will still have an SM or later=20
rating.</DIV>
<DIV><BR></DIV>
<DIV>The one oil type I have found that is reliably rated below SM is =
four=20
stroke motorcycle oil because motorcycles don't have catalysts. =
Typically it is=20
rated SF or SG. <SPAN style=3D"FONT-SIZE: 12pt">Since the oil has =
no way of=20
knowing it is being run in an automotive engine and my Healey doesn't =
know the=20
oil it's spewing is meant for a motorcycle I have been running Castrol =
4T in=20
20W-50 grade quite happily.</SPAN></DIV>
<DIV><BR></DIV>
<DIV>As for the controversy part, if we start banning contentious topics =
we soon=20
won't have anything to talk about like most modern college =
campuses.</DIV>
<DIV><BR></DIV>
<DIV>Bill Lawrence</DIV>
<DIV>BN1 #554<BR><BR>
<DIV>
<HR id=3DecxstopSpelling>
From: michael.oritt@gmail.com<BR>Date: Sat, 13 Jun 2015 06:14:11 =
-0400<BR>To:=20
javrugtman@htcnet.org<BR>CC: healeys@autox.team.net<BR>Subject: Re: =
[Healeys]=20
Oil again<BR><BR>
<DIV dir=3Dltr>
<DIV class=3Decxgmail_default style=3D"COLOR: #3333ff">We ALWAYS talk =
about oil and=20
no one seems to have the answer, so we simply keep talking about it.=20
</DIV>
<DIV class=3Decxgmail_default style=3D"COLOR: #3333ff">For a change =
let's talk about=20
politics or religion, two topics which are susceptible to absolute =
rectitude.=20
Many 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=20
enlightenment and reveal it to us. <BR></DIV>
<DIV class=3Decxgmail_default style=3D"COLOR: #3333ff"><BR></DIV>
<DIV class=3Decxgmail_default style=3D"COLOR: #3333ff">To mix a =
metaphor, I now=20
listen with a jaundiced eye.</DIV>
<DIV class=3Decxgmail_default style=3D"COLOR: #3333ff"><BR></DIV>
<DIV class=3Decxgmail_default style=3D"COLOR: #3333ff">Best--Michael=20
Oritt </DIV></DIV>
<DIV class=3Decxgmail_extra><BR>
<DIV class=3Decxgmail_quote>On Fri, Jun 12, 2015 at 7:45 PM, John =
Vrugtman <SPAN=20
dir=3Dltr><<A href=3D"mailto:javrugtman@htcnet.org"=20
target=3D_blank>javrugtman@htcnet.org</A>></SPAN> wrote:<BR>
<BLOCKQUOTE class=3Decxgmail_quote=20
style=3D"PADDING-LEFT: 1ex; BORDER-LEFT: #ccc 1px solid">
<DIV>politics and religion, like water and oil, don't mix. On =
the other=20
hand, oil and Healeys mix very well.<BR>JAV<SPAN><BR><BR>
<DIV>On 6/12/2015 7:16 PM, Richard Kahn wrote:<BR></DIV>
<BLOCKQUOTE>
<DIV dir=3Dltr>I think topics like politics, religion, and oil =
should be=20
taboo. There is no best in any of these topics.<BR>Rich =
Kahn<BR></DIV><BR>
<FIELDSET></FIELDSET> =
<BR><PRE></PRE></BLOCKQUOTE><BR></SPAN></DIV><BR>________________________=
_______________________<BR>Support=20
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