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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
> 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?)Â I
> bought it, and changed 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 the 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 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:Â 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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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 class="moz-cite-prefix">On 3/20/2022 2:14 PM, Henry G Leach via
Healeys wrote:<br>
</div>
<blockquote type="cite"
cite="mid:28040e68333fba7b8d34af8d95db33ffe1a68080@webmail">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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 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?)Â I bought it, and changed 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 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" <healeys@autox.team.net><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.Â
<div><br>
</div>
<div>M</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sun., Mar. 20, 2022,
4:45 p.m.
Michael Oritt via Healeys, <<a
moz-do-not-send="true">healeys@autox.team.net</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div dir="ltr">
<div class="gmail_default" style="color:#3333ff;">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.</div>
<div class="gmail_default" style="color:#3333ff;"><br>
</div>
<div class="gmail_default" style="color:#3333ff;">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</div>
<div class="gmail_default" style="color:#3333ff;"><br>
</div>
<div class="gmail_default" style="color:#3333ff;">At
this point I
have about $125.00 invested in the mistake:Â 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. </div>
<div class="gmail_default" style="color:#3333ff;"><br>
</div>
<div class="gmail_default" style="color:#3333ff;">I
eagerly await
the group wisdom.</div>
<div class="gmail_default" style="color:#3333ff;"><br>
</div>
<div class="gmail_default" style="color:#3333ff;">Best--Michael
Oritt</div>
<div class="gmail_default" style="color:#3333ff;"><br>
</div>
</div>
<br>
</blockquote>
</div>
</healeys@autox.team.net></div>
</blockquote>
<br>
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