<div dir="ltr"><div class="gmail_default" style="font-size:small">Not an effective response to your question, but perhaps helpful, I have been using used vegetable cooking oil for my bar lube for quite a few years and it has worked well. It seems "stickier" than motor oil and does not tend to fly off as easily.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">I read a link on it many years ago and started using it after I started deep frying turkeys for Thanksgiving and had gallos of the stuff around. Here are a couple different links about why using vegetable oil:</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">FWIW...</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small"><a href="https://learn.eartheasy.com/articles/using-vegetable-oil-to-replace-chainsaw-oil/#:~:text=Effective%20%E2%80%93%20Vegetable%20oils%20have%20natural,or%20bar%20wear%20over%20time">https://learn.eartheasy.com/articles/using-vegetable-oil-to-replace-chainsaw-oil/#:~:text=Effective%20%E2%80%93%20Vegetable%20oils%20have%20natural,or%20bar%20wear%20over%20time</a>.<br></div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small"><a href="https://www.thetoolyard.com/2019/03/can-i-use-vegetable-oil-for-lubricating.html">https://www.thetoolyard.com/2019/03/can-i-use-vegetable-oil-for-lubricating.html</a><br></div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">best,</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">doug</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, May 29, 2023 at 10:54 AM Brian Kemp <<a href="mailto:bk13@earthlink.net">bk13@earthlink.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
I'm interested as well, but from a 10w40 perspective leftover from a
previous car. <br>
<br>
From
<a href="https://www.oildepot.ca/what-is-the-viscosity-of-bar-and-chain-oil/" target="_blank">https://www.oildepot.ca/what-is-the-viscosity-of-bar-and-chain-oil/</a>
and
<a href="https://www.remodelormove.com/what-viscosity-is-bar-and-chain-oil/" target="_blank">https://www.remodelormove.com/what-viscosity-is-bar-and-chain-oil/</a>
it appears bar oil is about 30W, so my first though was gear oil
might be too thick.<br>
<br>
One quote from the first link:<br>
<br>
Can Motor Oil Be Used As Bar And Chain Oil?<br>
<br>
"Can you take a 30-weight motor oil and use it as a bar and chain
oil? This is not a good idea. Bar and chain oils have additives
called “tackifiers”. These additives prevent chainsaw oil from
flinging off during high-speed operation. The tacky oil clings to
the bar and chain links to prevent dry operation."<br>
<br>
I kept looking and found
<a href="https://toolspulse.com/what-can-i-use-for-chainsaw-bar-oil/" target="_blank">https://toolspulse.com/what-can-i-use-for-chainsaw-bar-oil/</a> which
equates ISO weights with SAE weights:<br>
<br>
"SAE 30 oil is equivalent to ISO 100 grade bar oils, SAE 40 is
identical to ISO 150 bar oils..."<br>
<br>
The above link also contains a viscosity chart that included SAE
gear oil, which also appears to be yet another scale, adding to the
confusion.<br>
<br>
Brian<br>
<br>
<br>
<br>
<div>On 5/28/2023 1:23 PM, <a href="mailto:eric@megageek.com" target="_blank">eric@megageek.com</a>
wrote:<br>
</div>
<blockquote type="cite">
<span style="font-size:10pt;font-family:sans-serif">OK great
minds of
the internets, quick question...</span>
<br>
<br>
<span style="font-size:10pt;font-family:sans-serif">I use a lot
of
bar oil since I cut trees.</span>
<br>
<br>
<span style="font-size:10pt;font-family:sans-serif">I have lots
of
different gear oils that I will most likely not need. In many
cases,
I needed a few ounces and had to buy a gallon of it.</span>
<br>
<br>
<span style="font-size:10pt;font-family:sans-serif">My question
is,
can I 'mix' some of the gear oil in with the bar oil? If so,
what
would be a max ratio? I want to use up the gear oil and get rid
of
these huge containers, but I figure this would be a good way.</span>
<br>
<br>
<span style="font-size:10pt;font-family:sans-serif">Any other
places
I can mix it? I don't think I would try it in hydraulic fluid.</span>
<br>
<br>
<span style="font-size:10pt;font-family:sans-serif">So, what's
the
collective wisdom say here?</span>
<br>
<br>
<span style="font-size:10pt;font-family:sans-serif">Thanks.</span>
<br>
<br>
<span style="font-size:10pt;font-family:sans-serif">Moose</span>
<br>
<fieldset></fieldset>
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</blockquote></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr">Best,<div><br><div>Doug</div></div></div></div>