Brown oil??

[FarmerFrank]

I think I read on here one other time about WMO with a brown hue to it. My most recent batch is brown not black. It's from a new supplier and im kind of Leary. I've had brownish oil from a car place compared to the black from truck shops.

Has anyone figured out why it's brown? Water? Rust? Or is it just a lack of carbon compared to diesel oil?

 

[79jasper]

I've noticed synthetic gasser oil turns brown.

Dunno if it means anything though.


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[Brad S.]

I would guess a little water in wmo would do that, or maybe some gear oil had some water in it....???
Frank, think your on to the "black" of diesel oil, noticed that with my own pickup not long after I changed oil.
79Jasper, thanks for the thought starter, I've been using syn oil wifes vehicle and it does have a little brownish hue to it....

 

[Brad S.]

Here's some oil from the wife's vehicle, changed it this past weekend, synthetic oil.

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BTW this stuff had been in over 4500 miles.

 

[FarmerFrank]

I put the synthetic blend in my wife's car and as soon as he said that it was like a light bulb.

A little bit of diesel oil blackened the whole batch and the truck has been running fine on it. I guess it's not much to worry about of anyone else gets brown waste oils.

On a side note it must have been all car oils, well lighter that waste 15-40, it took much less gas and diesel to get it to the right viscosity.

 

[79jasper]

And I'm not certain here, but I thought people were against using synthetic oils for fuel...
Can't remember the reasoning.


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[FarmerFrank]

And I'm not certain here, but I thought people were against using synthetic oils for fuel...
Can't remember the reasoning.


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I a lot of people say a lot of things.

They claim synthetic WMO is designed not to burn... Truck runs fine. Used oil is used oil to me

 

[79jasper]

Ah gotcha.
People were saying it won't burn.
Pretty easy to debunk that. Lol


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