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Re: [Healeys] Oil grade for 100 Le Mans

To: Michael Oritt <michael.oritt@gmail.com>
Subject: Re: [Healeys] Oil grade for 100 Le Mans
From: i erbs via Healeys <healeys@autox.team.net>
Date: Mon, 21 Mar 2022 09:02:55 -0700
Cc: Austin Healey <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <CAPTa0B7R8oWvuiHr6nqWu3oJE+rA5mb+e8BEm2bhXctS4=6afw@mail.gmail.com>
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I only run 20/50 in my Healey and MGB
Ira Erbs
Milwaukie,OR
      _______                                  _______
     (______ \____1959 BN4____/ _______)
         (_________________________)
          BT7 engine and disk brakes


1967 MGB  [image: MG]

A racing car is an animal with a thousand adjustments. Mario Andretti
Please excuse random auto corrects and misspelled words


On Sun, Mar 20, 2022 at 1:45 PM Michael Oritt via Healeys <
healeys@autox.team.net> wrote:

> 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.
>
> 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
>
> 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.
>
> I eagerly await the group wisdom.
>
> Best--Michael Oritt
>
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>
>

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<div dir=3D"ltr">I only run 20/50 in my Healey and MGB<br clear=3D"all"><di=
v><div dir=3D"ltr" class=3D"gmail_signature" data-smartmail=3D"gmail_signat=
ure"><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div=
 dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"l=
tr"><div dir=3D"ltr">Ira Erbs<div>Milwaukie,OR</div><div><span style=3D"fon=
t-family:&#39;Times New Roman&#39;,serif">=C2=A0 =C2=A0 =C2=A0 _______ =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0_______</span><br style=3D"font-fa=
mily:&#39;Times New Roman&#39;,serif"><span style=3D"font-family:&#39;Times=
 New Roman&#39;,serif">=C2=A0 =C2=A0=C2=A0 (______ \____1959 BN4____/ _____=
__)</span><br style=3D"font-family:&#39;Times New Roman&#39;,serif"><span s=
tyle=3D"font-family:&#39;Times New Roman&#39;,serif">=C2=A0 =C2=A0 =C2=A0 =
=C2=A0=C2=A0 (_________________________)</span></div><div>=C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 BT7 engine and disk brakes</div><div><br></div><div><br><=
/div><div>1967 MGB =C2=A0<img src=3D"http://www.britishcarspecialists.com/a=
ssets/images/MG_emblem.jpg" alt=3D"MG"></div><div><br></div><div><span styl=
e=3D"color:rgb(51,51,51);font-family:&quot;Helvetica Neue&quot;,Helvetica,A=
rial,sans-serif;font-size:14px">A racing car is an animal with a thousand a=
djustments. Mario Andretti</span><br></div><div>Please excuse random auto c=
orrects and misspelled words</div></div></div></div></div></div></div></div=
></div></div></div></div></div></div></div></div></div><br></div><br><div c=
lass=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, Mar 20, =
2022 at 1:45 PM Michael Oritt via Healeys &lt;<a href=3D"mailto:healeys@aut=
ox.team.net">healeys@autox.team.net</a>&gt; wrote:<br></div><blockquote cla=
ss=3D"gmail_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_def=
ault" style=3D"color:rgb(51,51,255)">Through a stupid mistake on=C2=A0my pa=
rt today I purchased eight quarts of 20w50 synthetic Amsoil rather than the=
 10w40 I normally use year-round.=C2=A0 Unfortunately I discovered this mis=
take this afternoon only after I completed the oil/filter change.</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)">I am concerned that this=
 higher-viscosity oil might in some way damage my engine.=C2=A0 It has been=
 about 60-70K miles from the=C2=A0engine&#39;s having been professionally r=
ebuilt and while oil pressure has fallen somewhat over the last several yea=
rs the gauge=C2=A0still=C2=A0indicates about 40 psi at 2500-3K rpm&#39;s an=
d about 20 psi at fast idle with 10w40,=C2=A0in both cases with hot oil and=
 at normal engine operating temperature.=C2=A0 I took the car for a very sh=
ort 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 se=
em 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></div><div class=3D"gmail_defau=
lt" style=3D"color:rgb(51,51,255)">At this point I have about $125.00 inves=
ted in the mistake:=C2=A0 seven quarts and a new K&amp;N filter.=C2=A0 If m=
y fear is verified by your opinions I am certainly willing to drain and ref=
ill--I certainly do not want to be driving around if there is a real risk o=
f causing damage.=C2=A0</div><div class=3D"gmail_default" style=3D"color:rg=
b(51,51,255)"><br></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></div><div class=3D"gmail_default" sty=
le=3D"color:rgb(51,51,255)">Best--Michael Oritt</div><div class=3D"gmail_de=
fault" style=3D"color:rgb(51,51,255)"><br></div></div>
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</blockquote></div>

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