Junk in my oil?

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So I did a oil change in my 1951 GMC IL-6 over the weekend & decided to check the oil in the pan that came out.


In the first amount of oil that was dispensed, I noticed a tiny, little bit of white streaking mixed in with the oil....like someone made a vanilla swirl in the fudge.

The remaining amount of oil that came out at the end had me concerned: some kind of oily clump, about the size of wadded pocket lint, was within the oil. This was by no means hard or gooey...just loose & clumpy, like an old piece of sock or sawdust from inside the oil pan. My guess would be that it was a piece of cork from a gasket somewhere.


Any thoughts?

The new Rotella seems to hold up well (drove 10 miles in 90 degree+ weather yesterday)


MH
 
Older engines used cotten materials for some gaskets like the rear main rather than rubber.
Sounds like some of that packing breaking up.
 
quote:

Originally posted by Greg L:
...(drove 10 miles in 90 degree+ weather yesterday)
MH


So far this year we've had 50 days of 90+ days, 22 of which were 95+, 2 which were 100+...and we just started summer.
shocked.gif
 
Greg L wrote: "like someone made a vanilla swirl in the fudge."

Did you see an oil/water emulsion? Water sinks to the bottom of the pan. I can't think of anything else that would look like vanilla swirl.
 
It does sound like moisture. I tend to get the same thing on tractors of that vintage (with similar engine technologies). At least for my circumstances, it's usually moisture that builds up inside the engine. I see it the most in the winter when the engines don't get up to operating temperature to burn it off.
 
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