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Old 04-04-2013, 03:37 PM
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Question about my blackstone oil report

Hello all. I just received my Blackstone oil report and it doesnt look good. I was hoping you all could tell me what the deal might be. Here is what they said:

"JAMES: Thanks for the note. If you let us know the correct mileage for the last report, we'll update the records. Right now, though, the big issue for your F-350 is fuel. Fuel dilution jumped all the way to 9.5% of the sample, based on the low flashpoint, and the fuel diluted the oil quite a bit -- note the low viscosity and additives compared to last time. Wear metals are similarly diluted, so wear increased more than we're seeing here. The TBN is okay at 2.1, but this level of fuel spells trouble. Watch the oil level on the dipstick, and check back in ~2,000 miles to monitor."

Now, here is my thoughts. I have been in Chemical School in Fort Leonard Wood Mo since Dec (im done now and driving back to California). I start it up in the morning and let it idle for 10-15 minutes almost every morning because of the cold temps there. Also, my truck barely is able to get warm by the time I get to the schoolhouse and half the time, stays cold by the time I get there. Another thing I noticed, was one day on the highway going up a hill, I gave it some throttle and I heard a noticeable and loud clicking noise followed by some white smoke. After the hill, the noise was gone and so was the smoke. I am not loosing any coolant and the truck runs fine. I thought the clicking may have been a stuck injector and the white smoke was either from the stuck injector or the stock intercooler boots holding moisture from the short trips. I am deleted and run the mild H&S tune. Any ideas?
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Old 04-04-2013, 03:49 PM
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We are talking a considerable amount of fuel, huh?

Other than a stuck injector, which you'd likely peg pretty quick, and really worn rings, which would also have other symptoms, there is not that many places fuel crosses with fuel, considering you're deleted..

What is your mileage?

A sneaky place to mix fuel and oil is under the valve covers, where the high pressure line comes off the rail and ties into the injector.. one leak there would taint the crankcase quick like, and may be decently hard to spot, especially over cylinders one and three.. .
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Old 04-04-2013, 04:28 PM
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The report said I had about 9.5% fuel in the oil.

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Old 04-04-2013, 06:32 PM
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How many miles on your truck and how many miles on that oil change? 9.5% fuel is very high.
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Old 04-04-2013, 06:43 PM
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I have about 77k on the truck and the oil had about 5k on it. Is this too high of a level from a lot of idleing?

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Old 04-04-2013, 06:44 PM
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Do you not have any Contribution codes? Sometimes a hung injector wont have any symptoms till its caused damage
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Old 04-04-2013, 06:45 PM
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You arent doing a lot of idling
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Old 04-04-2013, 06:48 PM
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That's a scary thought, Woodboy..

What are your ICP readings? If they're really high, though at a moderate engine speed, and there are no contribution codes, it may be what I suggested before.. if not... I'm out of this conversation, and will leave it to the other two fellers here..
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Old 04-04-2013, 07:13 PM
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I dont have any codes. I have ran the H&S diag a few times and it has found nothing. What kind of damage would a stuck injector cause? Also...your saying that 9.5% is too high from just idleing? Thanks for the help so far guys.

Oh..also...this was the first oil change since the delete. Half of he oil life was non deleted driving from cali to missouri and the other half of the oil life was deleted and short trips.

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Old 04-04-2013, 07:15 PM
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I will check my ICP readings as soon as I can and post them as well. If I remember correctly...I think they were around 8-14 on the highway at 70-80mph.

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