Ford saying not to use new CK4 rated oils - TheDieselGarage.com
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post #1 of 5 (permalink) Old 04-20-2017, 05:13 AM Thread Starter
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Ford saying not to use new CK4 rated oils

Hi gent's,

Came across this interesting info from Ford...here's a link, and be sure to click on and watch the video...
Promoted - Truck Trend

Basically saying the low phosphorous formulation of some of the new CK4 rated diesel motor oils causes accelerated wear according to testing done by Ford.

Makes me wonder which ones in particular, but they don't mention that.

They are saying to stick with the older CJ4 formulations if you can for now.

I noticed the specs on the new Mobil Delvac-1 ESP 5w-40 oil is way different than the predecessor, flash point is way lower than before too.

From my experience, the new high flow egr diesel engines with DPF and DEF technology are much harder on motor oil than earlier designs...gotta wonder if progress here is going backwards in becoming technologically drunk, as all this high standard emission controls has not lead to much cost effective fuel economy gains if any, and sometimes less. Parts and labor costs are very expensive too on all newer diesels, yes even more than our 6.0L's...

Harry

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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post #2 of 5 (permalink) Old 04-22-2017, 05:41 PM
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Good luck finding CJ formulation, Delo switched in January, I've already got it in my 7.3L. And not having done oil analysis before, there's no real point to doing it after for comparative purposes. Time will tell, these changes to preserve emissions equipment may keep that equipment functional longer but still sell more new trucks by knocking older long life designs off the road through accelerated wear and failure.

The Current Truck (Oct-2013 to Present):
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post #3 of 5 (permalink) Old 04-22-2017, 07:08 PM
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I just bought 2 cases of Mobil Delvac 1 ESP during the recent sale. It was all CJ4 oil. Haven't looked at the MSDS for the physical properties, but will have to go do that! It is a shame for them to lower the flash point though!

Mark
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post #4 of 5 (permalink) Old 04-23-2017, 03:41 PM Thread Starter
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Did some research...

Basically you don't want to use CK-4/SN rated oils...(S in SN stands for spark ignition engines)...these are oils formulated to meet the lower zinc standards of gasoline engines.

They have basically closed the loophole in oils that meet both diesel and gasoline rated API specs.

So, if you use the new CK-4, CJ-4, CI-4+, CI-4, CH-4 oils that do not have the "SN" spec included in the oil bottle label, then we should be fine using any of the new diesel only rated motor oils.

Here's another updated link that gives insight to this...Ford Offers CK-4 Alternative Oil for Super Duty Diesels - TopNews - Fuel Smarts - TopNews - TruckingInfo.com

Harry
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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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post #5 of 5 (permalink) Old 04-23-2017, 11:10 PM Thread Starter
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Here's some examples...

New CK-4/SN oil you do not want to use in your truck...
Shell ROTELLA® T6 Multi-Vehicle Full Synthetic | Shell ROTELLA®
API CK-4, API SN, ACEA E6,

New CK-4 oil "ok" to use in your truck...
Shell ROTELLA® T6 Full Synthetic Heavy Duty Engine Oil | Shell ROTELLA®
API: CK-4, CJ-4, CI-4 PLUS, CI-4, CH-4

Harry
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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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