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Michaels-what a timely request. Just last week, I changed the oil in=0Am=
y MK1 Sprite. I normally use 30W conventional oil. When I went to the=0A=
various auto stores in my town, all I could find was synthetic or=0Asynt=
hetic blends. By luck one of the "Grocery" stores was selling some=0ACas=
trol 20-50 regular oil in a 5qt jug for $19.95. (closeout?) I=0Abought i=
t, and changed the oil and the car road tested ran perfect and=0Asounded=
great with clean oil and same oil pressure as previous. In=0Afear, I we=
nt back and bought the last two remaining jugs of this=0Aelixir they had=
on the shelf.=0ABack when these cars were introduced, multi-grades were=
just starting=0Ato become available and Geoff Healey stated that althou=
gh interesting,=0Athey would still recommend 30W. I plan to use it in th=
e 100 and BJ8,=0Aalso, as factory specified, in the Jensen-Healey. I hav=
e had occasion=0Ato see synthetics, due to there small molecular size, l=
eak out of=0Athese cars whereas the conventional oil will stay in.=0AI t=
hink if Geoff was still with us today, he would agree that there is=0Ano=
thing wrong with multi-grades but probably not recommend synthetics=0Aun=
less you could keep a diaper under your Healey. Hank=0A=0A=09-----------=
------------------------------From: "Michael Salter via=0AHealeys" =0ATo=
: "Michael Oritt"=0ACc: "Austin Healey"=0ASent: Sunday March 20 2022 1:5=
1:06PM=0ASubject: Re: [Healeys] Oil grade for 100 Le Mans=0A=0A IMHO Mic=
hael that will be absolutely no problem. =0A M =0A On Sun., Mar. 20, 20=
22, 4:45 p.m. Michael Oritt via Healeys, wrote:=0A Through a stupid m=
istake on my part today I purchased eight quarts=0Aof 20w50 synthetic Am=
soil rather than the 10w40 I normally use=0Ayear-round. Unfortunately I=
discovered this mistake this afternoon=0Aonly after I completed the oil=
/filter change. =0A I am concerned that this higher-viscosity oil might=
in some way=0Adamage my engine. It has been about 60-70K miles from the=
engine's=0Ahaving been professionally rebuilt and while oil pressure ha=
s fallen=0Asomewhat over the last several years the gauge still indicate=
s about=0A40 psi at 2500-3K rpm's and about 20 psi at fast idle with 10w=
40, in=0Aboth cases with hot oil and at normal engine operating temperat=
ure. I=0Atook the car for a very short spin after completing the change=
and I=0Aam quite sure I did not did not get the oil up to full operatin=
g=0Atemperatures but in any case the OP did seem a few psi higher than=
=0Awhat I am used to seeing =0A At this point I have about $125.00 inves=
ted in the mistake: seven=0Aquarts and a new K&N filter. If my fear is v=
erified by your opinions I=0Aam certainly willing to drain and refill--I=
certainly do not want to=0Abe driving around if there is a real risk of=
causing damage. =0A I eagerly await the group wisdom. =0A Best--Michae=
l Oritt =0A _______________________________________________=0A Support=
Team.Net [1]http://www.team.net/donate.html [2]=0A Suggested annual do=
nation $12.75=0A=0A Archive: [3]http://www.team.net/pipermail/healeys [=
4] =0A[5]http://autox.team.net/archive/healeys [6]=0A=0AHealeys@autox.te=
am.net=0A [7]http://autox.team.net/mailman/listinfo/healeys [8]=0A=0A Un=
subscribe/Manage: =0A[9]http://autox.team.net/mailman/options/healeys/mi=
chaelsalter@gmail.com=0A[10]=0A=0A =0A=0ALinks:=0A------=0A[1] http://w=
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<html><body>Michaels-what a timely request. Just last week, I changed th=
e oil in my MK1 Sprite. I normally use 30W conventional oil. When=
I went to the various auto stores in my town, all I could find was synt=
hetic or synthetic blends. By luck one of the "Grocery" stores was selli=
ng some Castrol 20-50 regular oil in a 5qt jug for $19.95. (closeout?)&n=
bsp; I bought it, and changed the oil and the car road tested ran perfec=
t and sounded great with clean oil and same oil pressure as previous. In=
fear, I went back and bought the last two remaining jugs of this elixir=
they had on the shelf.<div><br></div><div>Back when these cars were int=
roduced, multi-grades were just starting to become available and Geoff H=
ealey stated that although interesting, they would still recommend 30W.=
I plan to use it in the 100 and BJ8, also, as factory specified, in the=
Jensen-Healey. I have had occasion to see synthetics, due to there smal=
l molecular size, leak out of these cars whereas the conventional oil wi=
ll stay in.</div><div><br></div><div>I think if Geoff was still with us=
today, he would agree that there is nothing wrong with multi-grades but=
probably not recommend synthetics unless you could keep a diaper under=
your Healey. Hank<br><br><div class=3D"reply-new-signature"></div><p>--=
---------------------------------------</p>From: "Michael Salter via Hea=
leys" <healeys@autox.team.net><br>To: "Michael Oritt"<br>Cc: "Austin Hea=
ley"<br>Sent: Sunday March 20 2022 1:51:06PM<br>Subject: Re: [Healeys] O=
il grade for 100 Le Mans<br><br>=0A<div>IMHO Michael that will be absolu=
tely no=0Aproblem. =0A<div><br></div>=0A<div>M</div>=0A</div>=0A<br=
><div class=3D"gmail_quote">=0A<div dir=3D"ltr" class=3D"gmail_attr">On=
Sun., Mar. 20, 2022, 4:45 p.m.=0AMichael Oritt via Healeys, <<a>heal=
eys@autox.team.net</a>>=0Awrote:<br></div>=0A<blockquote class=3D"gma=
il_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-=
left:1ex;">=0A<div dir=3D"ltr">=0A<div class=3D"gmail_default" style=3D"=
color:#3333ff;">Through a stupid=0Amistake on my part today I purch=
ased eight quarts of 20w50=0Asynthetic Amsoil rather than the 10w40 I no=
rmally use=0Ayear-round. Unfortunately I discovered this mistake t=
his=0Aafternoon only after I completed the oil/filter change.</div>=0A<d=
iv class=3D"gmail_default" style=3D"color:#3333ff;"><br></div>=0A<div cl=
ass=3D"gmail_default" style=3D"color:#3333ff;">I am concerned=0Athat thi=
s higher-viscosity oil might in some way damage my=0Aengine. It ha=
s been about 60-70K miles from the engine's=0Ahaving been professio=
nally rebuilt and while oil pressure has=0Afallen somewhat over the last=
several years the=0Agauge still indicates about 40 psi at 250=
0-3K rpm's and=0Aabout 20 psi at fast idle with 10w40, in both case=
s with hot=0Aoil and at normal engine operating temperature. I too=
k the=0Acar for a very short spin after completing the change and I am=
=0Aquite sure I did not did not get the oil up to full operating=0Atempe=
ratures but in any case the OP did seem a few psi higher than=0Awhat I a=
m used to seeing</div>=0A<div class=3D"gmail_default" style=3D"color:#33=
33ff;"><br></div>=0A<div class=3D"gmail_default" style=3D"color:#3333ff;=
">At this point I=0Ahave about $125.00 invested in the mistake: se=
ven quarts and=0Aa new K&N filter. If my fear is verified by y=
our opinions=0AI am certainly willing to drain and refill--I certainly d=
o not want=0Ato be driving around if there is a real risk of causing=0Ad=
amage. </div>=0A<div class=3D"gmail_default" style=3D"color:#3333ff=
;"><br></div>=0A<div class=3D"gmail_default" style=3D"color:#3333ff;">I=
eagerly await=0Athe group wisdom.</div>=0A<div class=3D"gmail_default"=
style=3D"color:#3333ff;"><br></div>=0A<div class=3D"gmail_default" styl=
e=3D"color:#3333ff;">Best--Michael=0AOritt</div>=0A<div class=3D"gmail_d=
efault" style=3D"color:#3333ff;"><br></div>=0A</div>=0A_________________=
______________________________<br>=0ASupport Team.Net <a href=3D"http://=
www.team.net/donate.html"></a><a href=3D"http://www.team.net/donate.html=
">http://www.team.net/donate.html</a><br>=0ASuggested annual donation&nb=
sp; $12.75<br><br>=0AArchive: <a href=3D"http://www.team.net/pipermail/h=
ealeys"></a><a href=3D"http://www.team.net/pipermail/healeys";>http://www=
.team.net/pipermail/healeys</a> <a href=3D"http://autox.team.net/archive=
/healeys"></a><a href=3D"http://autox.team.net/archive/healeys";>http://a=
utox.team.net/archive/healeys</a><br><br><a>Healeys@autox.team.net</a><b=
r><a href=3D"http://autox.team.net/mailman/listinfo/healeys";></a><a href=
=3D"http://autox.team.net/mailman/listinfo/healeys";>http://autox.team.ne=
t/mailman/listinfo/healeys</a><br><br>=0AUnsubscribe/Manage: <a href=3D"=
http://autox.team.net/mailman/options/healeys/michaelsalter@gmail.com";><=
/a><a href=3D"http://autox.team.net/mailman/options/healeys/michaelsalte=
r@gmail.com">http://autox.team.net/mailman/options/healeys/michaelsalter=
@gmail.com</a><br><br></blockquote>=0A</div>=0A</healeys@autox.team.net>=
</div></body></html>
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