Has anyone sent in their oil, for analysis?

Im about to.
99 e250 5.4l 320000 miles
Rotella 15-40 with a bottle of lucas
Every oil change at 3500 miles

 

I used them when I had a diesel.
Per their analysis, I could go to 10,000 between changes using Delvac...I only did that once. Usually I ran my oil to 8k btw changes.
I started using them to check the engine break in. When the fuel started turning to garbage due to the low sulfur fuel mandates, the intervals needed to be adjusted per manufactures.

I've not used them for a gasser, though I've thought about it.

 

Do they tell you like in a paragraph? Or just a sheet with everything ing the oil?
I have a lifter that makes noise but the lucas seems to make it go away, ive driven with the dog house off to make sure.

 

They were print outs, and if there was anything note worthy, they'd add that as well.
IIRC there is a question about your plans of using extended intervals. Then they give a recommendation and path forward.

I used an aux filter system on both the diesels I had..

 

So would it say if i kept doing everything the same itll last another 200k

 

Mine was incremental. It depends on the engine/oil combo.
Example; send in a sample of your oil when it gets close to the regular oil change interval.
Depending on the sample test, they may say you can go another 2k.
I then changed oil, and ran it out to that and sent another sample.
Same thing, they will tell you if they advise going further.
You need to stick with the same oil.
Again, this is only if you want to try extend service intervals. Not sure if that's a good thing with a gasser or not.

If you don't want to worry about extended changes, send in an initial sample close to service time, change you r oil and wait to see how the sample turns out.
They will tell how the oil is doing and tell you if any wear particulates are in the sample, and likely causes.

Then just go from there.
Using the Delvac, I was up to 10k btw changes, but didn't push it to that. Had over 200k on the engine and NEVER added oil btw changes.

It was an 06 Ram 5.9.

 

Lose the Lucas and you might get 300k.