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2017 Ford 6.7PS ~12.5K miles Valvoline Premium Blue #5272008 11/19/19 04:58 PM
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BeerCan Online Content OP
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Valvoline Premium Blue 15w40 8600es otherwise known as Heavy Duty

Trying to see if I can extend my interval. ~15% towing this round. Truck computer predicted 4% fuel dilution so right on target
Same oil back in

[Linked Image]


2020 Porsche Cayenne
2017 Ford F250 6.7 PS
2016 Ford F150 3.5 EB
2016 Porsche 981 GTS
2015 Ford Mustang 2.3 EB
My car list is getting long smile
1994 Porsche 968 Coupe
1987 Porsche 944 Turbo
Re: 2017 Ford 6.7PS ~12.5K miles Valvoline Premium Blue [Re: BeerCan] #5272013 11/19/19 05:04 PM
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mbacfp Offline
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Thanks for posting up. My UOAs have been put on hold due to 2 upper oil pan leak repairs under warranty. I've been running 5w-40 Delvac and Valvoline 5w-40. Going to also get UOA from someone other than Blackstone as I suspect fuel dilution myself, but isn't showing up.


2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8
Re: 2017 Ford 6.7PS ~12.5K miles Valvoline Premium Blue [Re: mbacfp] #5272045 11/19/19 05:52 PM
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BeerCan Online Content OP
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Originally Posted by mbacfp
Thanks for posting up. My UOAs have been put on hold due to 2 upper oil pan leak repairs under warranty. I've been running 5w-40 Delvac and Valvoline 5w-40. Going to also get UOA from someone other than Blackstone as I suspect fuel dilution myself, but isn't showing up.

It might be the fuel dilution that limits how far I can go. I personally don't worry about it until it's 5% or more. So looks like 15k or maybe 20k might be doable but dilution will probably stop me there.


2020 Porsche Cayenne
2017 Ford F250 6.7 PS
2016 Ford F150 3.5 EB
2016 Porsche 981 GTS
2015 Ford Mustang 2.3 EB
My car list is getting long smile
1994 Porsche 968 Coupe
1987 Porsche 944 Turbo
Re: 2017 Ford 6.7PS ~12.5K miles Valvoline Premium Blue [Re: BeerCan] #5272152 11/19/19 08:54 PM
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mattd Offline
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Curious, how often does your truck regen? The 2017+ 6.7s seem to have more fuel dilution than previous generations. There are several ECM software updates available if you haven’t been to the dealer latey FWIW. The iron and fuel dilution would be my only hesitations but it’s still a little over 3 ppm/1k while it’s higher than I would like for my truck its not absolutely terrible for the nature of this engine. 4% fuel is about as much as I’d personally like to see.

Last edited by mattd; 11/19/19 09:00 PM.

2007 Ford F-350 4x4 6.0 PSD

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Re: 2017 Ford 6.7PS ~12.5K miles Valvoline Premium Blue [Re: BeerCan] #5272289 11/20/19 05:02 AM
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Fe wear rate is very good. All other wear metals are very low. No Si or coolant contamination to speak of. Fuel is tracking a bit higher, but at this point, there's no correlation of fuel to wear; it's having no effect.

15k miles is worth trying for sure. Run one or two at that distance; see how the wear rates are. Then consider extending out based on the wear data.



Fuel contamination is nothing to ignore; it's important to track. But it's ONLY important if it shows a propensity to affect wear rates. As long as that's not happening, the fuel level is OK. It may not be desirable, but it's tolerable.

Last edited by dnewton3; 11/20/19 05:05 AM.

The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: 2017 Ford 6.7PS ~12.5K miles Valvoline Premium Blue [Re: BeerCan] #5272664 11/20/19 01:19 PM
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BeerCan Online Content OP
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Honestly I think the fuel dilution is up because my wife is using the truck as a commuter until she gets her new car. Work is not far enough to complete a regen so it's probably done more than usual. I'm past worrying about regens completing and just let the truck do it's thing.

Dilution is going to be a side effect of that attitude but I am not worried about dilution like some others are. So far I have not seen any issues with my vehicles that dilute, and that's all of them 😁


2020 Porsche Cayenne
2017 Ford F250 6.7 PS
2016 Ford F150 3.5 EB
2016 Porsche 981 GTS
2015 Ford Mustang 2.3 EB
My car list is getting long smile
1994 Porsche 968 Coupe
1987 Porsche 944 Turbo
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