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how often to change the oil in EB motor?

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Old 01-08-2015, 08:20 AM
  #51  
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Originally Posted by Reflections Detail
for me is showed I had some metal issues and that told me to change it sooner, once that stabilized I then knew a better interval of changes. If I can get more than 5k out of my synthetic I'm saving money. So in testing not guessing saved me money and most likely a few analysis will tell you for sure. to me that mattered and likely saved some $ on larger possible issues, cheap insurance at least to me.

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Nichols
Cool, I hear ya.

Originally Posted by packplantpath
You can change your oil for $25? Or is it really double that? 8qts Mobil 1 $50+, filter $5.....

If you find out you can safely extend that 5000 to 6000, it has paid for itself quickly. Having said that, I still have been too lazy to send a sample off, so given the documented issues with fuel dilution in the 3.5tt I do mine every 5000 miles with motocraft full syn until I eventually get it tested. Yes I'm likely leaving money on the table too!
No, which is why I said "just about", more like $35ish. I do mine every 5k. For me, sending a sample in at 5k, and them saying "hey you have 2,000 more miles to go" just turned a $35 oil change into a $60 oil change. But, I do not put many miles on in a year, so it boils down to how you use your truck and your comfort level. I could never leave oil in my truck for 10k, I still feel like an idiot for waiting til 5k, that was a hard habit installed in me by my father. But, times and technology change. I also agree with the fuel dilution issue, which seems to vary amongst engines. I do get a slight fuel smell to mine, which I understand is normal with DI, but again, leads me to change it at 5k with full syn.
Old 01-09-2015, 05:40 PM
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Oil change every 4K w/ Motorcraft syn blend and filter

Tire rotation every 8K (every other oil change)

Air filter every 12K w/ Motorcraft stock filter (every third oil change)

Spark plugs will be every 24K w/ Motorcraft SP534 plugs at 0.030" (every other air filter change unless I'm having issues)

Keeping things simple for my simple brain.

Last edited by phantomblackgto; 01-09-2015 at 05:42 PM.
Old 01-09-2015, 06:44 PM
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Originally Posted by phantomblackgto
Oil change every 4K w/ Motorcraft syn blend and filter

Tire rotation every 8K (every other oil change)

Air filter every 12K w/ Motorcraft stock filter (every third oil change)

Spark plugs will be every 24K w/ Motorcraft SP534 plugs at 0.030" (every other air filter change unless I'm having issues)

Keeping things simple for my simple brain.
I'm very similar, but I like round numbers. Do everything in multiples of 5000.
Old 01-10-2015, 09:12 AM
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I blindly follow truck maintenance minder and change when down to 20%. Typically about 6500 mile intervals. Dealer does my oil changes because they are $20 plus fees so like $25 out the door, dealer is 3 miles away and no worries for warranty. So I get motor craft everything. In/out in 30 minutes. :-).

My minivan is easier to change oil and I do that myself since I save more $ and out if warranty...
Old 11-26-2015, 05:38 PM
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Originally Posted by packplantpath
You can change your oil for $25? Or is it really double that? 8qts Mobil 1 $50+, filter $5.....

If you find out you can safely extend that 5000 to 6000, it has paid for itself quickly. Having said that, I still have been too lazy to send a sample off, so given the documented issues with fuel dilution in the 3.5tt I do mine every 5000 miles with motocraft full syn until I eventually get it tested. Yes I'm likely leaving money on the table too!
Call Mobil 1 and ask how much fuel dilution can be present and still have full benefit of the oil, I bet it's less than what you'll find in the 3.5tt oil analysis.
Old 11-27-2015, 12:11 AM
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I too go no more than 5k miles and run full synthetic oil.
I know a lot of these engines have oil level "growth" but dose anyone have oil consumption?
The past couple times I changed the oil I noticed the oil level lower then usual



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