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Thanks for the feedback. When looking at oxidation and PQ index numbers now I have a base reading what would be numbers to look out for that would be out of normal range ? How much of a jump in Sodium number would be cause for concern. These engines are known to get ither a EGR leak causing...

I gave zooming in and snipping it a go The 18 June 24 a the VOA Other 2 are UOA. Oil changed each time

Opinions on oil and the analysis results Engine is a Common Rail 3.2 Liter 5Cyl Turbo Diesel Oil is Penrite HPR5, API SN Plus, Acer A3/B4 Had a VOA done last week due to the lab questioning the oil viscosity reported Vs the Manufactures TDS Results on the sheet attached. 19 June 24 is a VOA and...

Yes, was comparing against the manufactures Spec sheet, and i guess the Lab is as well. This was basically the thoughts of the Lube tech i spoke to, that it's Lab and blending variances a 10-12% discrepancy is not a concern for them, they suggested sending in a VOA of the oil to the same lab...

Cut of last sample

It is a large Caterpillar certified Lab, I'm not doubting the Lab results. The oil is HPR5 from Penrite. Vehical is a Turbo Diesel Ford Ranger. I suspected it was shearing down and its base oil is probably on the lighter side with VII ?? As the company also has a 5W30 with what looks to be a...

Am using a 5W40 from a boutique blender the TDS shows a cSt at 100 c of 14.4 I've had two used sample reports come back from oil brought 12 months apart with V100 showing 12.5 after 6500km and 12.86 after 3600km on the second sample with the lab stating viscosity lower than the specification...

We run Delvac 15W40 in our Caterpillar engines so not exactly the same grade or engine but add pack would be close youd think Pulled a sample As a example on 15W40 whats left in the add pack with 600hrs run time on the oil Zinc 878 Magnesium 516 Calcium 1774 Moly...