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Reading oil samples - DDlighttruck - 12-25-2019
[attachment=5985]
What are the numbers I need to pay attention to?
Bottom row was from February, top row was from November.
Thanks
RE: Reading oil samples - Rawze - 12-25-2019
the main one of them all is always the iron (Fe) number.
Take the mileage of the oil , in your case, 20,000 miles, then divide it by 1000.
20,000 / 1000 = 20
This number (20)...
If your iron is higher than your (mileage/1000), then you likely have excessive wear somewhere. if it is less, then your oil is doing a decent job.
Your iron shows 16. This is less than 20 ... that is a good sign for having 20,000+ miles on the oil.
RE: Reading oil samples - DDlighttruck - 12-25-2019
(12-25-2019 )Rawze Wrote: the main one of them all is always the iron (Fe) number.Which one is soot?
Take the mileage of the oil , in your case, 20,000 miles, then divide it by 1000.
20,000 / 1000 = 20
This number (20)...
If your iron is higher than your (mileage/1000), then you likely have excessive wear somewhere. if it is less, then your oil is doing a decent job.
Your iron shows 16. This is less than 20 ... that is a good sign.
I guess resample next service and then compare again?
RE: Reading oil samples - uncleal13 - 12-28-2019
(12-25-2019 )DDlighttruck Wrote:(12-25-2019 )Rawze Wrote: the main one of them all is always the iron (Fe) number.Which one is soot?
Take the mileage of the oil , in your case, 20,000 miles, then divide it by 1000.
20,000 / 1000 = 20
This number (20)...
If your iron is higher than your (mileage/1000), then you likely have excessive wear somewhere. if it is less, then your oil is doing a decent job.
Your iron shows 16. This is less than 20 ... that is a good sign.
I guess resample next service and then compare again?
ST = 44, was 36 last time.
This lab uses a particle count number, not a percentage like other labs.
My 2013 Western Star always read in the 40’s, my 2016 Cascadia reads in the teens..
RE: Reading oil samples - DDlighttruck - 12-28-2019
(12-28-2019 )uncleal13 Wrote:Thanks!(12-25-2019 )DDlighttruck Wrote:(12-25-2019 )Rawze Wrote: the main one of them all is always the iron (Fe) number.Which one is soot?
Take the mileage of the oil , in your case, 20,000 miles, then divide it by 1000.
20,000 / 1000 = 20
This number (20)...
If your iron is higher than your (mileage/1000), then you likely have excessive wear somewhere. if it is less, then your oil is doing a decent job.
Your iron shows 16. This is less than 20 ... that is a good sign.
I guess resample next service and then compare again?
ST = 44, was 36 last time.
This lab uses a particle count number, not a percentage like other labs.
My 2013 Western Star always read in the 40’s, my 2016 Cascadia reads in the teens..
I’ll resample and see what the new numbers are
RE: Reading oil samples - 2dlb - 12-28-2019
Soot will also increase the vi index in the oil. When I get back to the shop I'll post a couple of Detroit 60 and u can see. We even run kleenoil bypass filters to try and keep condensation low so the tan (total acid number) stays low