which oil to use

[oldnewguy]

Seems different stations tell different stories on oil change so do i go full synthetic or a blend 2013 sunseeker with ford e450 and only 39 thousand miles taking to a new garage and he will fill with my choice thanks oldnewguy

[A32Deuce]

I use Motorcraft blend. 94000 miles and counting.

[upflying]

Go with what your owners manual recommends.
Opinions on oil are like navels, we all have them.

[DieselDrax]

Due to the high oil temps seen due to engine loads, I'm a firm believer in synthetic oils for engines in MHs and trucks that are towing as they deal with the higher oil temps and fight oxidation better than conventional and synthetic blend oils. For a daily driver car it wouldn't make any difference as long as the correct oil change intervals were followed.

My $0.02.

[A32Deuce]

Originally Posted by A32Deuce

I use Motorcraft blend. 94000 miles and counting.

Its what the owners Manuel recommends so I use their oil and filter.

[charles l]

Originally Posted by oldnewguy

Seems different stations tell different stories on oil change so do i go full synthetic or a blend 2013 sunseeker with ford e450 and only 39 thousand miles taking to a new garage and he will fill with my choice thanks oldnewguy

I like spending money for the good stuff mobile one synthetic. It gives me a warm and fuzzy feeling. I can't prove it is better than dino oil. I just believe all the hype. Also use the ford filter or mobile one brand. I also change the oil before 5000 miles. Did I tell you I like spending money? It gives me peace of mind.

[Bill and Gail]

I use the Motorcraft Synthetic Blend and the Motorcraft Filter.

[RudysWorld]

Originally Posted by Bill and Gail

I use the Motorcraft Synthetic Blend and the Motorcraft Filter.

X2^^

[ard58]

Not telling anyone when to change or not to change as they want, but, the technology built into testing and developing oil today to meet todays tough engine specs? Well todays oil is not like it was when I started driving and doing my own oil changes. Back in the early 70's, you would drain oil at 3000 miles and it was BLACK and the smell was horrid. For my last 3 trucks, 6.0 diesel, 3.5 ecoboost(still running it), and 2017 6.2 ford, I change oil at 10000 miles. Use full synthetic oil and wix filters. I have oil analysis done every other change, and they come back, Normal Wear. I've been a diesel mechanic for over 40 years and cannot remember a engine failure because oil wasn't changed every 3000 miles. Every failure I've seen has been because of ---lack of oil, or foreign substance in the oil, such as sand, fuel, antifreeze. As I said, I'm not trying to tell you when to change your oil, but I for one don't have the extra money to spend on extra oil changes. Oil analysis is $12. Saves me a lot of money and time.

[poppytoymaker]

You can tell the difference from dino if you open up an engeine with a 100,000 miles on it. Dino creates sludge synthetic says fluid. I use Mobil 1 in all my vehicles.

[DieselDrax]

Originally Posted by poppytoymaker

You can tell the difference from dino if you open up an engeine with a 100,000 miles on it. Dino creates sludge synthetic says fluid. I use Mobil 1 in all my vehicles.

That was the case ~30 years ago, that is not the case today. Both conventional and synthetic oils have come a long way, to claim conventional oils of today will sludge up an engine by 100k miles is simply false.

[A32Deuce]

You are wrong about the sludge, but you can think what you want!

[jbrosecity]

The one pertinent fact I have read is that all "synthetic blend" is not created equal. It may have been a post on this forum, but the engineer who made the post explained that there was no real spec with the blends... it might be 5% and it might be 25% or whatever. I forget now. I've been using blends for many years now but it made me sit up and take notice and read up on just what kind of blend I am buying. I tried to find out what % Ford uses. No luck at all. But Walmart's price is only a couple bucks more for 5 quart jug of Mobil One than for the Ford blend,... So I am gonna start using Mobil One from now on
Walmart Mobil One

[5picker]

Originally Posted by DieselDrax

Due to the high oil temps seen due to engine loads, I'm a firm believer in synthetic oils for engines in MHs and trucks that are towing as they deal with the higher oil temps and fight oxidation better than conventional and synthetic blend oils. For a daily driver car it wouldn't make any difference as long as the correct oil change intervals were followed.

My $0.02.

[emoji651]️This[emoji651]️ would have been my reply verbatim.
X2

[Iwannacamp]

Originally Posted by DieselDrax

That was the case ~30 years ago, that is not the case today. Both conventional and synthetic oils have come a long way, to claim conventional oils of today will sludge up an engine by 100k miles is simply false.

I’m of the impression that any oil will fail if abused. There are engines more prone to carbon deposits than others. There are engines that are more finicky to oil specs than others....enter Ford.

If you don’t change your oil and maintain your vehicle it WILL fail.

Btw. I am a firm believer in synthetic oils and greases.

[DieselDrax]

Originally Posted by Iwannacamp

I’m of the impression that any oil will fail if abused. There are engines more prone to carbon deposits than others. There are engines that are more finicky to oil specs than others....enter Ford.

If you don’t change your oil and maintain your vehicle it WILL fail.

Btw. I am a firm believer in synthetic oils and greases.

Agreed. See my first reply in this thread. [emoji41]

[Iwannacamp]

Originally Posted by DieselDrax

Agreed. See my first reply in this thread. [emoji41]

[emoji108][emoji108]

I might add for those who don’t know...

The main reasons engines last longer

Better fuel control
Better oil technology
Better metallurgy
Better temp control

[markb422]

If you check your manual it should refer to a minimum API Service rating (or higher). Mobile One has a API service rating of SN plus which I think would cover any natural aspirated gas engine. Another synthetic oil with the API service rating of SN plus is Quaker State Ultimate Durability. At my local department store QS UD is about $10 less than Mobile One. Look on the back of the container for the API service rating.
When the MH was new I know the oil was conventional. After a certain break in I changed it with Motorcraft blend. Then to full synthetic.
Also from all the specs I have read on filters, Mobile One filters are the best for Synthetic oils. Read the specs and decide what level of filter you are comfortable with.

[SlowrideHD]

Mobil1 goes in every gas engine I have. Rotella T6 goes in every diesel engine I have.

[Philkaty]

So there you go everyone has their favorite oil. I used Walmart's brand on our '08 E450 and one quart of Marvels Mystery Oil, no problems. I have also put it in my cars (MMO ) and they seem to run better. Haven't changed the oil in our new RV yet.