oil analysis1st time

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Feb 11, 2004
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my local napa store give me a free report and just got it back.it was done at wixfilters atlanta ga.its a 1993 with 139678 miles F700 dump truck 5.9 cumminsthe oil is rotellat 15w40 has 7500 miles and no make up or additives.iron28,chromium5,lead3,copper2,tin0,aluminum4,nickle0.silver0.silicon5,boron8,sodium38,magnesium21,calcium2798,barium0,phosphorus1287,zinc1536,molybdenum3,titanium0,vandi um0,potasium23, fuel<1,vis@100c 14.58.water0,soot\solids0.3,coolant no.tbn9.4.no corrective action required.so what do you think?first time ive ever had it done.bought the truck new and always changed oil every 7500 miles
 
Let me help you out here, guss
smile.gif


Rotella T 15w-40
5.9 Cummins
Miles on oil: 7500
Miles on unit: 139678
No make up oil
(all values not mentioned are ZERO)
Fe 28
Cr 5
Pb 3
Cu 2
Al 4
Silicon 5
Na 38
Potasium 23
Boron 8
Magnesium 21
Ca 2798
Phos 1287
Zn 1536
Moly 3

Fuel Soot 0.3
Flash point ?
Visc @ 100C: 14.58
TBN 9.4
No coolant found.
 
Guss, excellent report TBN is fantastic. No fuel dilution, oil stayed in grade (40weight) hardly any soot. Low metal wear, below normal...you are doing everything right.

I am quite sure you can easily go 10K OCI with this set up.
 
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