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Re: [Healeys] Oil grade for 100 Le Mans

To: Michael Salter <michaelsalter@gmail.com>
Subject: Re: [Healeys] Oil grade for 100 Le Mans
From: richard mayor via Healeys <healeys@autox.team.net>
Date: Sun, 20 Mar 2022 14:01:30 -0700
Cc: healeys <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <CAPTa0B7R8oWvuiHr6nqWu3oJE+rA5mb+e8BEm2bhXctS4=6afw@mail.gmail.com> <CAB3i7LLu8HQ1fApH9+ZmUBCxMsaXrBRj2r1=OGSLHmsje3TbVA@mail.gmail.com>
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Michael,

I use 20w-50 in all of my classic car engines.  Now, if I drove them in =
the winter time I would probably consider the 10w-40 option as it would =
have the lower 10W viscosity for those cold morning start ups.  So you =
are fine.=20

Richard


Richard Mayor
boyracer466@gmail.com



> On Mar 20, 2022, at 1:50 PM, Michael Salter via Healeys =
<healeys@autox.team.net> wrote:
>=20
> IMHO Michael that will be absolutely no problem.=20
>=20
> M
>=20
> On Sun., Mar. 20, 2022, 4:45 p.m. Michael Oritt via Healeys, =
> Through a stupid mistake on my part today I purchased eight quarts of =
20w50 synthetic Amsoil rather than the 10w40 I normally use year-round.  =
Unfortunately I discovered this mistake this afternoon only after I =
completed the oil/filter change.
>=20
> I am concerned that this higher-viscosity oil might in some way damage =
my engine.  It has been about 60-70K miles from the engine's having been =
professionally rebuilt and while oil pressure has fallen somewhat over =
the last several years the gauge still indicates about 40 psi at 2500-3K =
rpm's and about 20 psi at fast idle with 10w40, in both cases with hot =
oil and at normal engine operating temperature.  I took the car for a =
very short spin after completing the change and I am quite sure I did =
not did not get the oil up to full operating temperatures but in any =
case the OP did seem a few psi higher than what I am used to seeing
>=20
> At this point I have about $125.00 invested in the mistake:  seven =
quarts and a new K&N filter.  If my fear is verified by your opinions I =
am certainly willing to drain and refill--I certainly do not want to be =
driving around if there is a real risk of causing damage.=20
>=20
> I eagerly await the group wisdom.
>=20
> Best--Michael Oritt
>=20
> _______________________________________________
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" =
class=3D"">Michael,<div class=3D""><br class=3D""></div><div class=3D"">I =
use 20w-50 in all of my classic car engines. &nbsp;Now, if I drove them =
in the winter time I would probably consider the 10w-40 option as it =
would have the lower 10W viscosity for those cold morning start ups. =
&nbsp;So you are fine.&nbsp;</div><div class=3D""><br =
class=3D""></div><div class=3D"">Richard</div><div class=3D""><br =
class=3D""></div><div class=3D""><br class=3D""><div class=3D"">
<div>Richard Mayor</div><div><a href=3D"mailto:boyracer466@gmail.com"; =
class=3D"">boyracer466@gmail.com</a></div><div class=3D""><br =
class=3D""></div><br class=3D"Apple-interchange-newline">

</div>
<div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Mar 20, 2022, at 1:50 PM, Michael Salter via Healeys =
&lt;<a href=3D"mailto:healeys@autox.team.net"; =
class=3D"">healeys@autox.team.net</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><meta =
charset=3D"UTF-8" class=3D""><div dir=3D"auto" style=3D"caret-color: =
rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
normal; text-align: start; text-indent: 0px; text-transform: none; =
white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;" class=3D"">IMHO Michael that will be absolutely =
no problem.&nbsp;<div dir=3D"auto" class=3D""><br class=3D""></div><div =
dir=3D"auto" class=3D"">M</div></div><br style=3D"caret-color: rgb(0, 0, =
0); font-family: Helvetica; font-size: 12px; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;" class=3D""><div class=3D"gmail_quote" =
style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
12px; font-style: normal; font-variant-caps: normal; font-weight: =
normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;"><div dir=3D"ltr" =
class=3D"gmail_attr">On Sun., Mar. 20, 2022, 4:45 p.m. Michael Oritt via =
Healeys, &lt;<a href=3D"mailto:healeys@autox.team.net"; =
class=3D"">healeys@autox.team.net</a>&gt; wrote:<br =
class=3D""></div><blockquote class=3D"gmail_quote" style=3D"margin: 0px =
0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; =
border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div =
dir=3D"ltr" class=3D""><div class=3D"gmail_default" style=3D"color: =
rgb(51, 51, 255);">Through a stupid mistake on&nbsp;my part today I =
purchased eight quarts of 20w50 synthetic Amsoil rather than the 10w40 I =
normally use year-round.&nbsp; Unfortunately I discovered this mistake =
this afternoon only after I completed the oil/filter change.</div><div =
class=3D"gmail_default" style=3D"color: rgb(51, 51, 255);"><br =
class=3D""></div><div class=3D"gmail_default" style=3D"color: rgb(51, =
51, 255);">I am concerned that this higher-viscosity oil might in some =
way damage my engine.&nbsp; It has been about 60-70K miles from =
the&nbsp;engine's having been professionally rebuilt and while oil =
pressure has fallen somewhat over the last several years the =
gauge&nbsp;still&nbsp;indicates about 40 psi at 2500-3K rpm's and about =
20 psi at fast idle with 10w40,&nbsp;in both cases with hot oil and at =
normal engine operating temperature.&nbsp; I took the car for a very =
short spin after completing the change and I am quite sure I did not did =
not get the oil up to full operating temperatures but in any case the OP =
did seem a few psi higher than what I am used to seeing</div><div =
class=3D"gmail_default" style=3D"color: rgb(51, 51, 255);"><br =
class=3D""></div><div class=3D"gmail_default" style=3D"color: rgb(51, =
51, 255);">At this point I have about $125.00 invested in the =
mistake:&nbsp; seven quarts and a new K&amp;N filter.&nbsp; If my fear =
is verified by your opinions I am certainly willing to drain and =
refill--I certainly do not want to be driving around if there is a real =
risk of causing damage.&nbsp;</div><div class=3D"gmail_default" =
style=3D"color: rgb(51, 51, 255);"><br class=3D""></div><div =
class=3D"gmail_default" style=3D"color: rgb(51, 51, 255);">I eagerly =
await the group wisdom.</div><div class=3D"gmail_default" style=3D"color: =
rgb(51, 51, 255);"><br class=3D""></div><div class=3D"gmail_default" =
style=3D"color: rgb(51, 51, 255);">Best--Michael Oritt</div><div =
class=3D"gmail_default" style=3D"color: rgb(51, 51, 255);"><br =
class=3D""></div></div>_______________________________________________<br =
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