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Re: [Mgs] Oil viscosity for 3.5 V8 engine

To: Richard Lindsay <richardolindsay@gmail.com>
Subject: Re: [Mgs] Oil viscosity for 3.5 V8 engine
From: Dan DiBiase <dan.dibiase@gmail.com>
Date: Mon, 10 Oct 2022 08:00:44 -0400
Cc: mglist <mgs@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: mgs@autox.team.net
References: <!&!AAAAAAAAAAAuAAAAAAAAAJAi5C+WBKREpYgZuDHJbjsBAMO2jhD3dRHOtM0AqgC7tuYAAAAAAA4AABAAAADdFE08lkNHQ4r5iOuwoBrjAQAAAAA=@hartcom.net> <B140441F-DDF5-47DE-B7A7-3A0C3AD8718F@sonic.net> <CAOc+-dyOeAYwCJqjzmcQq3p=ZBx1WG6FXsMAXUZQBr_rzZgP6g@mail.gmail.com>
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Rick, you need to add this one to your collection! Looks like it's in great
shape and inexpensive....

https://houston.craigslist.org/cto/d/katy-1963-mgb/7540334022.html

Dan D
'76B
Central NJ USA

On Sat, Oct 8, 2022 at 8:38 AM Richard Lindsay <richardolindsay@gmail.com>
wrote:

>    All good words Max. Thanks. I didn't know about the 15W50 Mobile 1 zin=
c
> thing.
>    Where I live it never really gets cold, so a constant viscosity oil
> would even work. That said, I don't drive my cars enough to worry about
> wear. I just play with them. My go-to oil for everything older is Castrol
> GTX 20W50.
>    I guess I should define 'everything older'. Specifically, I mean my '5=
3
> TD, '71 Volvo 1800E, '72 MGB, '73 E-Type (V12), and even my 25-year-old
> =C3=BCber-high mileage Nissan D21 pickup. Everything else/newer gets what=
ever
> the Owner's Manual recommends.
>
> Rick, in Houston
> PS: Classic Plymouths are awesome.
>
> On Sat, Oct 8, 2022, 2:13 AM Max Heim <mvheim@sonic.net> wrote:
>
>> I am using 15W50 in all my cars at this point: 1966 MGB, 1967 Plymouth
>> slant six, 1967 Plymouth 4bbl V8; specifically, Mobil1 15W50 which is
>> formulated for flat tappet engines and has 1500ppm zinc. Note that other
>> weights of this brand are NOT appropriate for older cars.
>>
>> 50 is not too high viscosity for summer use in California (it=E2=80=99s =
really
>> what you want), and 15W indicates that is not too heavy for winter use.
>>
>> --
>> Max Heim
>> '66 MGB
>>
>> On Oct 7, 2022, at 8:02 AM, <jimray@hartcom.net> <jimray@hartcom.net>
>> wrote:
>>
>> I am puzzled about the proper oil viscosity for my Rover 3.5 V8 engine.
>> Des Hammill's book *How to Power Tune RV8 Engines *states =E2=80=9CAnyon=
e used
>> to oil pressures hovering around 70 =E2=80=93 75 psi on an MGB 1800 engi=
ne will be
>> alarmed to see pressures in the Rover V8 reading 15 =E2=80=93 40 psi. Th=
ese engines
>> are low-pressure engines with normal pressures (hot) at 20 psi idle usin=
g a
>> 15W 50 oil, and 40 psi over about 3500 rpm.=E2=80=9D  Its time for me to=
 change the
>> oil in mine and 15W 50 seems a bit high when compared to oil normally us=
ed
>> in my other US built cars. Anyone have any thoughts or suggestions to th=
is?
>>
>> Thanks in advance for your input.
>>
>> Jim Ray
>>
>> _______________________________________________
>
> Mgs@autox.team.net
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<div dir=3D"ltr">Rick, you need to add this one to your collection! Looks l=
ike it&#39;s in great shape and inexpensive....<div><br></div><div><a href=
=3D"https://houston.craigslist.org/cto/d/katy-1963-mgb/7540334022.html";>htt=
ps://houston.craigslist.org/cto/d/katy-1963-mgb/7540334022.html</a><br></di=
v><div><br></div><div>Dan D</div><div>&#39;76B</div><div>Central NJ USA</di=
v></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr=
">On Sat, Oct 8, 2022 at 8:38 AM Richard Lindsay &lt;<a href=3D"mailto:rich=
ardolindsay@gmail.com">richardolindsay@gmail.com</a>&gt; wrote:<br></div><b=
lockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-le=
ft:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"auto"><div>=C2=
=A0 =C2=A0All good words Max. Thanks. I didn&#39;t know about the 15W50 Mob=
ile 1 zinc thing.=C2=A0</div><div dir=3D"auto">=C2=A0 =C2=A0Where I live it=
 never really gets cold, so a constant viscosity oil would even work. That =
said, I don&#39;t drive my cars enough to worry about wear. I just play wit=
h them. My go-to oil for everything older is Castrol GTX 20W50.</div><div d=
ir=3D"auto">=C2=A0 =C2=A0I guess I should define &#39;everything older&#39;=
. Specifically, I mean my &#39;53 TD, &#39;71 Volvo 1800E, &#39;72 MGB, &#3=
9;73 E-Type (V12), and even my 25-year-old =C3=BCber-high mileage Nissan D2=
1 pickup. Everything else/newer gets whatever the Owner&#39;s Manual recomm=
ends.</div><div dir=3D"auto"><br></div><div dir=3D"auto">Rick, in Houston</=
div><div dir=3D"auto">PS: Classic Plymouths are awesome.<br><br><div class=
=3D"gmail_quote" dir=3D"auto"><div dir=3D"ltr" class=3D"gmail_attr">On Sat,=
 Oct 8, 2022, 2:13 AM Max Heim &lt;<a href=3D"mailto:mvheim@sonic.net"; targ=
et=3D"_blank">mvheim@sonic.net</a>&gt; wrote:<br></div><blockquote class=3D=
"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(2=
04,204,204);padding-left:1ex"><div style=3D"overflow-wrap: break-word;">I a=
m using 15W50 in all my cars at this point: 1966 MGB, 1967 Plymouth slant s=
ix, 1967 Plymouth 4bbl V8; specifically, Mobil1 15W50 which is formulated f=
or flat tappet engines and has 1500ppm zinc. Note that other weights of thi=
s brand are NOT appropriate for older cars.<div><br></div><div>50 is not to=
o high viscosity for summer use in California (it=E2=80=99s really what you=
 want), and 15W indicates that is not too heavy for winter use.</div><div><=
br><div>
<div style=3D"color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-=
indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><div st=
yle=3D"color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:=
0px;text-transform:none;white-space:normal;word-spacing:0px"><div style=3D"=
margin:0px;font-size:13px">--</div><div style=3D"margin:0px;font-size:13px;=
min-height:16px">Max Heim</div><div style=3D"margin:0px;font-size:13px">&#3=
9;66 MGB</div></div></div>
</div>

<div><br><blockquote type=3D"cite"><div>On Oct 7, 2022, at 8:02 AM, &lt;<a =
href=3D"mailto:jimray@hartcom.net"; rel=3D"noreferrer" target=3D"_blank">jim=
ray@hartcom.net</a>&gt; &lt;<a href=3D"mailto:jimray@hartcom.net"; rel=3D"no=
referrer" target=3D"_blank">jimray@hartcom.net</a>&gt; wrote:</div><br><div=
><div style=3D"font-family:Verdana;font-size:13px;font-style:normal;font-va=
riant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start=
;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;te=
xt-decoration:none"><div style=3D"margin:0in;font-size:11pt;font-family:Cal=
ibri,sans-serif"><span style=3D"font-size:12pt">I am puzzled about the prop=
er oil viscosity for my Rover 3.5 V8 engine. Des Hammill&#39;s book<span>=
=C2=A0</span><i>How to Power Tune RV8 Engines<span>=C2=A0</span></i>states =
=E2=80=9CAnyone used to oil pressures hovering around 70 =E2=80=93 75 psi o=
n an MGB 1800 engine will be alarmed to see pressures in the Rover V8 readi=
ng 15 =E2=80=93 40 psi. These engines are low-pressure engines with normal =
pressures (hot) at 20 psi idle using a 15W 50 oil, and 40 psi over about 35=
00 rpm.=E2=80=9D =C2=A0Its time for me to change the oil in mine and 15W 50=
 seems a bit high when compared to oil normally used in my other US built c=
ars. Anyone have any thoughts or suggestions to this?<u></u><u></u></span><=
/div><div style=3D"margin:0in;font-size:11pt;font-family:Calibri,sans-serif=
"><span style=3D"font-size:12pt"><u></u>=C2=A0<u></u></span></div><div styl=
e=3D"margin:0in;font-size:11pt;font-family:Calibri,sans-serif"><span style=
=3D"font-size:12pt">Thanks in advance for your input.<u></u><u></u></span><=
/div><div style=3D"margin:0in;font-size:11pt;font-family:Calibri,sans-serif=
"><span style=3D"font-size:12pt"><u></u>=C2=A0<u></u></span></div><div styl=
e=3D"margin:0in;font-size:11pt;font-family:Calibri,sans-serif"><span style=
=3D"font-size:12pt">Jim Ray</span></div></div></div></blockquote></div></di=
v></div>
</blockquote></div></div></div>
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</blockquote></div>

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