Amsoil Oil Filter 5k miles

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Nov 16, 2002
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About 5,500 miles (haven’t looked to see what it is exactly yet). Filter is dirtier than its every been. Short trips in winter. Grabbed a sample and will send off this week.

Kind of surprised it's this black, but I often don't look at the filter. Wasn't until recently I started paying attention just out of curiosity.


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About 5,500 miles (haven’t looked to see what it is exactly yet). Filter is dirtier than its every been. Short trips in winter. Grabbed a sample and will send off this week.

Kind of surprised it's this black, but I often don't look at the filter. Wasn't until recently I started paying attention just out of curiosity.


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Looks pretty good to me. What filter went back on?
 
Agree, That is pretty dark complected. 😬
Are you running SS? Doubt there's any cleaning since I think yours is fairly new. I like your new avatar.
 
Agree, That is pretty dark complected. 😬
Are you running SS? Doubt there's any cleaning since I think yours is fairly new. I like your new avatar.
Thanks lol. I'm aways changing it. Yeah this was Amsoil SS which went back in. I had another change on hand so I used it up.

The filter is doing its job that's for sure. (y)
 
Thanks for the photos. I have four filters being shipped to me from AMSOIL. I plan to run them with VR&P. I hope to get a good batch of AMSOIL oil filters myself. I will run them 5K miles in each vehicle.
 
Does the filter look unusually dark to you? This was the first time I notice the filter so dark. Oil look trashed too. I'm very curious how the sample will come back.

There were times over the winter where I'd make a quick <2 mile run to store when it's 20F out, come home and not run the truck again until later in afternoon or not at all. I expect to see significant fuel dilution in sample.
 
I believe the black is from all the soot and the filter is doing its job. Maybe Amsoil SS dispersant/detergent package is keeping everything in suspension not allowing it to cling to metal and the Amsoil filter is filter it out.
 
I can see by the pic where you scraped it off that the soot looks kind of thick. I wonder how that would affect filtering ability and if it would cause the filter by-pass valve to open.
 
There were times over the winter where I'd make a quick <2 mile run to store when it's 20F out, come home and not run the truck again until later in afternoon or not at all. I expect to see significant fuel dilution in sample.
What vehicle and engine was this filter on?
 
I can see by the pic where you scraped it off that the soot looks kind of thick. I wonder how that would affect filtering ability and if it would cause the filter by-pass valve to open.
It does appear that this OCI produced a lot more soot than prior drains. Definitely the most I have ever seen in a filter before.
 
It does appear that this OCI produced a lot more soot than prior drains. Definitely the most I have ever seen in a filter before.
For a gas engine, it would have to be running pretty rich to blow that much soot into the oil. Maybe those short trips was enough to do that. Might look at the fuel trims with an OBD2 reader to see if it's running richer in closed-loop than it normally should.
 
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