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I also have run 20-50 Castrol in both my BJ7 and MK1 Sprite. Never an
issue. But, I have often wondered about the synthetic question. Can I in
fact change over to that, and if so, what would the pros/cons be?
On Sun, Mar 20, 2022 at 4:57 PM Bob Spidell <bspidell@comcast.net> wrote:
> I've run 20W-50 in both my Healeys--BN2 and BJ8--for years (35+ for the
> BJ8). Note some owners swear by Penrite, which has a 60-rated oil (don't
> know what the winter value is).
>
> The only real 'risk' would be a cold start at freezing or lower temps,
> which could conceivably result in a bit more top end--and starter--wear.
>
> bs
>
>
> On 3/20/2022 2:14 PM, Henry G Leach via Healeys wrote:
>
> Michaels-what a timely request. Just last week, I changed the 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 synthetic or synthet=
ic
> blends. By luck one of the "Grocery" stores was selling some Castrol 20-5=
0
> regular oil in a 5qt jug for $19.95. (closeout?) I bought it, and change=
d
> the oil and the car road tested ran perfect and sounded great with clean
> oil and same oil pressure as previous. In fear, I went back and bought th=
e
> last two remaining jugs of this elixir they had on the shelf.
>
> Back when these cars were introduced, multi-grades were just starting to
> become available and Geoff Healey 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 small molecular size, leak out of these cars
> whereas the conventional oil will stay in.
>
> 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
>
> -----------------------------------------
> From: "Michael Salter via Healeys"
> To: "Michael Oritt"
> Cc: "Austin Healey"
> Sent: Sunday March 20 2022 1:51:06PM
> Subject: Re: [Healeys] Oil grade for 100 Le Mans
>
> IMHO Michael that will be absolutely no problem.
>
> M
>
> On Sun., Mar. 20, 2022, 4:45 p.m. 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 m=
y
>> engine. It has been about 60-70K miles from the engine's having been
>> professionally rebuilt and while oil pressure has fallen somewhat over t=
he
>> 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 sp=
in
>> after completing the change and I am quite sure I did not did not get th=
e
>> 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 quart=
s
>> 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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--=20
Jim Ryan
=C2=A9=C2=BF=C2=A9=C2=AC
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<div dir=3D"ltr">I also have run 20-50 Castrol in both my BJ7 and MK1 Sprit=
e.=C2=A0 Never an issue.=C2=A0 But, I have often wondered about the synthet=
ic question.=C2=A0 Can I in fact change over to that, and if so, what would=
the pros/cons be?</div><br><div class=3D"gmail_quote"><div dir=3D"ltr" cla=
ss=3D"gmail_attr">On Sun, Mar 20, 2022 at 4:57 PM Bob Spidell <<a href=
=3D"mailto:bspidell@comcast.net";>bspidell@comcast.net</a>> wrote:<br></d=
iv><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bord=
er-left:1px solid rgb(204,204,204);padding-left:1ex">
=20
=20
=20
<div>
I've run 20W-50 in both my Healeys--BN2 and BJ8--for years (35+ for
the BJ8). Note some owners swear by Penrite, which has a 60-rated
oil (don't know what the winter value is). <br>
<br>
The only real 'risk' would be a cold start at freezing or lower
temps, which could conceivably result in a bit more top end--and
starter--wear.<br>
<br>
bs<br>
<br>
<br>
<div>On 3/20/2022 2:14 PM, Henry G Leach via
Healeys wrote:<br>
</div>
<blockquote type=3D"cite">
=20
Michaels-what a timely request. Just last week, I changed the oil
in my MK1 Sprite.=C2=A0 I normally use 30W conventional oil. When I
went to the various auto stores in my town, all I could find was
synthetic or synthetic blends. By luck one of the "Grocery"=
stores
was selling some Castrol 20-50 regular oil in a 5qt jug for
$19.95. (closeout?)=C2=A0 I bought it, and changed the oil and the ca=
r
road tested ran perfect 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 introduced, multi-grades were just
starting to become available and Geoff Healey 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 small molecular size, leak out of these cars whereas the
conventional oil will 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>
<p>-----------------------------------------</p>
From: "Michael Salter via Healeys" <u></u><br>
To: "Michael Oritt"<br>
Cc: "Austin Healey"<br>
Sent: Sunday March 20 2022 1:51:06PM<br>
Subject: Re: [Healeys] Oil grade for 100 Le Mans<br>
<br>
<div>IMHO Michael that will be absolutely no
problem.=C2=A0
<div><br>
</div>
<div>M</div>
</div>
<br>
<div class=3D"gmail_quote">
<div dir=3D"ltr" class=3D"gmail_attr">On Sun., Mar. 20, 2022,
4:45 p.m.
Michael Oritt via Healeys, <<a>healeys@autox.team.net</a>&=
gt;
wrote:<br>
</div>
<blockquote class=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_default" style=3D"color:rgb(51,51,255)"=
>Through
a stupid
mistake on=C2=A0my part today I purchased eight quarts of
20w50
synthetic Amsoil rather than the 10w40 I normally use
year-round.=C2=A0 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>
</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.=C2=A0 It has been about 60-70K miles from
the=C2=A0engine's
having been professionally rebuilt and while oil
pressure has
fallen somewhat over the last several years the
gauge=C2=A0still=C2=A0indicates about 40 psi at 2500-3K r=
pm's
and
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 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>
</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:=C2=A0 seven
quarts and
a new K&N filter.=C2=A0 If my fear is verified by you=
r
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.=C2=A0</div>
<div class=3D"gmail_default" style=3D"color:rgb(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" style=3D"color:rgb(51,51,255)"=
>Best--Michael
Oritt</div>
<div class=3D"gmail_default" style=3D"color:rgb(51,51,255)"=
><br>
</div>
</div>
<br>
</blockquote>
</div>
<u></u></div>
</blockquote>
<br>
</div>
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</blockquote></div><br clear=3D"all"><div><br></div>-- <br><div dir=3D"ltr"=
class=3D"gmail_signature"><div dir=3D"ltr"><p style=3D"font-size:12.8px"><=
span style=3D"font-size:10pt;color:navy">Jim Ryan<u></u><u></u></span></p><=
p style=3D"font-size:12.8px">=C2=A9=C2=BF=C2=A9=C2=AC</p></div></div>
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