Oil Analysis Copper Went Up 3406B 4MG - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 2 (permalink) Old 07-06-2018, 05:10 PM Thread Starter
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Oil Analysis Copper Went Up 3406B 4MG

My most recent oil analysis showed the copper level went from the usual 1 or 2, to 88. Every other wear metal is normal. I am using the new Delo 4-CK/SN. Could this oil have higher copper level?

Also, replaced gaskets & O-rings on oil return pipes from oil cooler just before that oil was put in. It has the oversize oil cooler due to having a brakesaver. Possibly disturbed some copper that had leached from oil cooler tubes?

I am not too concerned with this right now. Mainly just wondering about the new oil formulation.

What are you guys seeing for copper level in older Cat's?
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post #2 of 2 (permalink) Old 08-20-2018, 01:53 PM
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The new CK-4/SN rated oils are of concern for me too, some only have 800ppm of zddp anti wear now compared to 1200ppm averages on the previous CJ-4 rated formulations. Ford had originally recommended no one use the new CK formulations in any of the powerstroke engines. But now has a list of approved oils that pass the stringent Ford spec, this is of concern for all makes of engines. Here's a link to the list of approved oils....
https://www.fcsdchemicalsandlubrican...SSM2C171F1.pdf

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Jan 03' built 6.0/F250cc4wd trqsft/SCT-tuned by KEM-Performance/Garrett Powermax vg-turbo/blue spring mod/gauges=egt+boost+fuel+SG2/exhaust/airaid intake/DR 4.5 lift/dual bilsteins/315's/greasable ball joints/powerstop/smittybuilt/kc lights/high idle mod/roll-n-lock/Mobil Delvac1 ESP 5W40 with (Archoil AR9100 in the oil) and (AR6200 in the fuel)
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