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Ok you guys have had a diesel longer than me.What oil and filter do you recommend.And what oil and filter to stay away from.
 

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Try to only use the OEM motocraft fiter FL1995. As far as oil I use Rotella T6 full synthetic, but that is just me.
 

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As said above the Motorcraft FL-1995. It can be found at WalMart for $9.90

Rotella T6.
Chevron Delo 400.
Mobil Delvac.

I buy the top two brands at WalMart and the Delvac at Murdochs Ranch Supply in 5-gallon buckets.

Just to name a few.

I prefer full synthetic because they allow for longer Oil Change Intervals (OCI).

Many here seem to hold to 5,000 OCI for full synthetics.
 
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I always use rotella 15w-40 with either 1 quart winter or 2 quart summer of lucas oil stabilizer and I would recommend the motocraft filter if you want the best.
 

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Yes, it's unanimous. We all use rotella T6 with the Motorcraft filter. So far, at least.
 

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Valvoline Premium Blue 15w40 since my truck was new. It had its first oil change at the dealer but other than that it has been done in my driveway.

On filters I got a great buy on two cases of Wix and ran them until they were gone, now it is back to the 1995.
 

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Many 7.3 owners do not recommend using oil additives such as Lucas products.

There have been possible injector related issues in the 7.3 Powerstrokes if I recall correctly.

My own opinion is that it is not necessary to use an oil additive when using a high quality HDEO.

Some guys do say the 6.0 which experiences stiction has shown benefit by adding Archoil but stiction is not common for a 7.3
 

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Started out using Rotella T, but then switched to Valvoline "Premium Blue" synthetic, 5W-40 (many years ago), and usually only the genuine Motorcraft FL-1995 filters (Wallyworld seems to be the cheapest seller...).
Occasionally I'll use a Wix or NAPA brand filter, but they are always more expensive than the 1995.
 

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Monolec....

Sent from my SAMSUNG-SM-G930A using Tapatalk
 

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Shaeffers Full Synthetic 9000 (5W40), Mobile One Filter on the motor and frame mounted Amzoil bypass filter. At 10,000 I change out the Mobile One filter and top off the oil. Then at 20,000 I do a complete oil change and replace both filters.
Do you have any UOAs to post?

Is your motivation cost savings?

IIRC, your driving conditions are “severe” as defined by the Owners Manual?

Thanks
 

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I hope you get this through your employer at some kind of discount.

Its expensive.
Through Employer?..... Lol
It's really no different than any of the other big names.
About $150 for a 5 gallon bucket shipped to my door in 2-3 days.

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Do you have any UOAs to post?

Is your motivation cost savings?

IIRC, your driving conditions are “severe” as defined by the Owners Manual?

Thanks
No UOAs to report. I did some a while back and things were fine but anymore I'm just going by what I feel is a good, conservative time and mileage frame for what most people running full synthetic and bypass systems do. Motivation? I was motivated primarily by wanting to cut down on the amount of supplies I had to haul down here (Mexico) to change the oil and filters. One full oil change every 20,000 is a lot less oil and filters than every 5000 as I was doing before. It does come out a little cheaper, too, which is a nice side benefit but not the primary motivation. Also, I like having a high quality oil in the motor and the Mobile One filters have a better filtration rating than the OEM Ford ones IIRC. I also like the cold weather starting ease that comes with the full synthetic oil as well. And, yes, according to the manual my conditions are "severe."
 

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I hope you get this through your employer at some kind of discount.

Its expensive.
Through Employer?..... Lol
It's really no different than any of the other big names.
About $150 for a 5 gallon bucket shipped to my door in 2-3 days.

Sent from my SAMSUNG-SM-G930A using Tapatalk
You have found a good price...Lol
 

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Do you have any UOAs to post?

Is your motivation cost savings?

IIRC, your driving conditions are “severe” as defined by the Owners Manual?

Thanks
No UOAs to report. I did some a while back and things were fine but anymore I'm just going by what I feel is a good, conservative time and mileage frame for what most people running full synthetic and bypass systems do. Motivation? I was motivated primarily by wanting to cut down on the amount of supplies I had to haul down here (Mexico) to change the oil and filters. One full oil change every 20,000 is a lot less oil and filters than every 5000 as I was doing before. It does come out a little cheaper, too, which is a nice side benefit but not the primary motivation. Also, I like having a high quality oil in the motor and the Mobile One filters have a better filtration rating than the OEM Ford ones IIRC. I also like the cold weather starting ease that comes with the full synthetic oil as well. And, yes, according to the manual my conditions are "severe."
Thanks for the insightful response.
 

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You have found a good price...Lol
"I know a guy." Lol
He'll sell to anyone that wants to call/text him. Same prices as if it were someone else.

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late to the party but I use chevron delo from walmart, Mobil delvac is also very good and is now cheaper around $10/gal. I used rotella when i first bought my truck in 06 I like chevron/delvac much better. made my engine louder/noisier. won't touch the stuff after.

Big R, tractor supply, etc have sales on mobile delvac where you can get it extremely cheap if you can afford to buy by the pallet. I use baldwin filters but would prefer fleetguard or donaldson...just my opinion
 

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late to the party but I use chevron delo from walmart, Mobil delvac is also very good and is now cheaper around $10/gal. I used rotella when i first bought my truck in 06 I like chevron/delvac much better. made my engine louder/noisier. won't touch the stuff after.

Big R, tractor supply, etc have sales on mobile delvac where you can get it extremely cheap if you can afford to buy by the pallet. I use baldwin filters but would prefer fleetguard or donaldson...just my opinion
Exactly the same for me.
Started with Rotella T6.
Engine sounded better on DELO 400 LE 5w40:
https://cglapps.chevron.com/msdspds/PDSDetailPage.aspx?docDataId=431883&docFormat=PDF

WalMart quit stocking the LE right about the time I switched to DELVAC 5w40 in 5-gallon buckets for $125 minus a $60 rebate which is still active until end of 2018.

The only inconvenience is the 5-gallon pail. Best to use a hand pump or pour into a 4-quart steel oilcan with spout:
 

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