From: "David Leonard wdleonard@gmail.com" <flyrotary@lancaironline.net>
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Date: Mon, 13 May 2019 07:30:04 -0700
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Subject: Re: [FlyRotary] Re: flyrotary Re: Premix
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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I second what Jeff says.  I would never use it alone.  But every time I
have stopped believing in the 'Mystery'  I have ended up with a side seal
stuck in a bunch of 2-stroke residue.

I recommend 1 oz per gallon of 2-stroke oil, with another 1/3 oz of MMO.
If I am flying cross country, which means I am running lean of peak, I
increase that amount of the mixture a little.  I end up having to drain my
sump oil frequently, which means frequent oil changes because the 2-stroke
oil has started to dilute the Mobil 1 in the sump.

Perhaps if i started using synthetic 2-stroke oil (like Lynn suggests) I
wouldnt have to worry about dilution.  Then again, that royal purple stuff
is very dearly priced.

Dave Leonard

On Mon, May 13, 2019, 5:37 AM Jeff Whaley jwhaley@datacast.com <
flyrotary@lancaironline.net> wrote:

> Marvel Mystery oil is just that a "mystery" but don't mistake it for oil -
> it is a cleaning agent.  No scientific proof but I'm pretty sure it is
> basically Varsol (90%) masked by coloring and a perfume to disguise its
> true identity.  You can add a little to your gasoline and even oil if you
> like but don't expect it to provide the lubrication needed that 2-cycle oil
> gives you in a premix.  Lycomings have been eating Mystery oil for years
> but its purpose is to help remove or prevent deposits on valves ...
> Jeff
>
> People use Marvel mystery oil?
> - Matt Boiteau
>
>
> --
> Homepage:  http://www.flyrotary.com/
> Archive and UnSub:
> http://mail.lancaironline.net:81/lists/flyrotary/List.html
>

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<div dir=3D"auto">I second what Jeff says.=C2=A0 I would never use it alone=
.=C2=A0 But every time I have stopped believing in the &#39;Mystery&#39;=C2=
=A0 I have ended up with a side seal stuck in a bunch of 2-stroke residue.<=
div dir=3D"auto"><br></div><div dir=3D"auto">I recommend 1 oz per gallon of=
 2-stroke oil, with another 1/3 oz of MMO.=C2=A0 If I am flying cross count=
ry, which means I am running lean of peak, I increase that amount of the mi=
xture a little.=C2=A0 I end up having to drain my sump oil frequently, whic=
h means frequent oil changes because the 2-stroke oil has started to dilute=
 the Mobil 1 in the sump.</div><div dir=3D"auto"><br></div><div dir=3D"auto=
">Perhaps if i started using synthetic 2-stroke oil (like Lynn suggests) I =
wouldnt have to worry about dilution.=C2=A0 Then again, that royal purple s=
tuff is very dearly priced.</div><div dir=3D"auto"><br></div><div dir=3D"au=
to">Dave Leonard=C2=A0=C2=A0</div></div><br><div class=3D"gmail_quote"><div=
 dir=3D"ltr" class=3D"gmail_attr">On Mon, May 13, 2019, 5:37 AM Jeff Whaley=
 <a href=3D"mailto:jwhaley@datacast.com">jwhaley@datacast.com</a> &lt;<a hr=
ef=3D"mailto:flyrotary@lancaironline.net">flyrotary@lancaironline.net</a>&g=
t; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 =
.8ex;border-left:1px #ccc solid;padding-left:1ex">Marvel Mystery oil is jus=
t that a &quot;mystery&quot; but don&#39;t mistake it for oil - it is a cle=
aning agent.=C2=A0 No scientific proof but I&#39;m pretty sure it is basica=
lly Varsol (90%) masked by coloring and a perfume to disguise its true iden=
tity.=C2=A0 You can add a little to your gasoline and even oil if you like =
but don&#39;t expect it to provide the lubrication needed that 2-cycle oil =
gives you in a premix.=C2=A0 Lycomings have been eating Mystery oil for yea=
rs but its purpose is to help remove or prevent deposits on valves ...<br>
Jeff<br>
<br>
People use Marvel mystery oil?<br>
- Matt Boiteau<br>
<br>
<br>
--<br>
Homepage:=C2=A0 <a href=3D"http://www.flyrotary.com/" rel=3D"noreferrer nor=
eferrer" target=3D"_blank">http://www.flyrotary.com/</a><br>
Archive and UnSub:=C2=A0 =C2=A0<a href=3D"http://mail.lancaironline.net:81/=
lists/flyrotary/List.html" rel=3D"noreferrer noreferrer" target=3D"_blank">=
http://mail.lancaironline.net:81/lists/flyrotary/List.html</a><br>
</blockquote></div>

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