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I'm interested as well, but from a 10w40 perspective leftover from a
previous car. <br>
<br>
From
<a class="moz-txt-link-freetext" href="https://www.oildepot.ca/what-is-the-viscosity-of-bar-and-chain-oil/">https://www.oildepot.ca/what-is-the-viscosity-of-bar-and-chain-oil/</a>
and
<a class="moz-txt-link-freetext" href="https://www.remodelormove.com/what-viscosity-is-bar-and-chain-oil/">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 class="moz-txt-link-freetext" href="https://toolspulse.com/what-can-i-use-for-chainsaw-bar-oil/">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 class="moz-cite-prefix">On 5/28/2023 1:23 PM, <a class="moz-txt-link-abbreviated" href="mailto:eric@megageek.com">eric@megageek.com</a>
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:OF52C167BD.5BDED6AF-ON852589BD.006FB623-852589BD.00700D43@mail.megageek.com">
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<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 class="moz-mime-attachment-header"></fieldset>
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