Best Oil for 305-hp 6.8L Super-Duty V10 SEFI Triton® engine

[Andy-Mo]

In Sept 2012, we purchased a 2012 Winnebago Aspect on a Ford E450 chassis with a 305-hp 6.8L Super-Duty V10 SEFI Triton engine and want to know the best oil to use to provide the best maintenance of the engine - - synthetic, synthetic blend or "regular". I've read that synthetic oil is unsuitable for break-in (i.e., the initial run-in period of the vehicle), where friction is desirable to cause wear. I've contacted customer service at both Winnebago & Ford regarding the best oil to use, and neither group would give me a recommendation on what oil to use. Any guidance/ recommendation you can provide will be greatly appreciated. thanks

[billyb]

from what i know, i would run regular oil 5w 20 for the first 5k miles and then after that go to the systhetic

[Robot9000]

I bought a new Class A this year. I assume that Ford uses their Motor-craft synth blend from the factory. I changed the oil myself and went with Mobil 1 full synth from the get to.

I think engine break in is a thing of the past. I also think changing it regularly is more important then what you use. New pure dino or blends are pretty good and full synth is also great. I go further btw changes on synth but other than that, I don't really sweat it. Just use the correct weight per Ford and mark your mileage and maybe the driving conditions (Summer crawling the Rockies vs fall in Michigan).

[BCooke]

Had a F350 V10 and changed to full synthetic after the first oil change.
There is not the difference there use to be between the oils.
If you can handle the the cost difference, I would go with synthetic. The main thing is to stay with the 5-20 (the thin oil is needed) and do not jump brands. (If you search v-10 and oil on a ford forum you can find a lot more)
Note: Heavy loading or cold weather are still good reasons to go with synthetic. But if you look at the diesel forums there are many that run conventional. (Note: diesel and gasoline rated oils are different, again just to show the gap between conventional and synthetic is closing.)

[macnkat]

BMW and Mercedes all ship from the factory with synthetic, it's perfectly fine from day one.

[w6pea]

On the V-10 Motor Ford Calls for 5-20w Semi-synthetic oil. I talked to the Ford Shop that services my RV they said that because of the tight tolerances in the motor they recommend 5-20w or 5-30w. They told me not to use 10-30w at all. They said that it would not hurt the motor to switch to full synthetic.

If We Can't Haul It...You Don't Need It ! Motor-T

[Pusherman]

Ford recommends 5W20 Semi-synthetic blend in their engines, and is shipped from the factory with same. Ford dealers use Motocraft semi-synthetic blend when you go in for an oil change.

Full synthetic is only a plus (but costs more). No manufacturer recommends extending oil change intervals if you use full synthetic, however.

[Wizard]

X2 on the Mobil 1, its never let me down. Been using it lomger than I care to remember

[Hikerdogs]

Quote:

Originally Posted by Robot9000 I bought a new Class A this year. I assume that Ford uses their Motor-craft synth blend from the factory. I changed the oil myself and went with Mobil 1 full synth from the get to. I think engine break in is a thing of the past. I also think changing it regularly is more important then what you use. New pure dino or blends are pretty good and full synth is also great. I go further btw changes on synth but other than that, I don't really sweat it. Just use the correct weight per Ford and mark your mileage and maybe the driving conditions (Summer crawling the Rockies vs fall in Michigan).

I"m not so sure about breaking in an engine being a thing of the past. I purchased a 2010 Ford truck and the manual still outlines a break in procedure. It recommends driving the vehicle at varying speeds for the first 1,000 miles (meaning not getting on the highway and setting the cruise control for an extended period) and cautions against full throttle acceleration from stop lights or stop signs. It also cauitons not to tow anything for the first 500 miles.

http://www.motorcraftservice.com/pub.../10exdog3e.pdf

[roadtrout]

i changed oil after 1,000 miles and switchted to motocraft full synthetic. this part in my opinion is very important...use a motocraft oil filter. it has a anti-drainback valve. this will allow oil pressure to built faster.

[LonBoy]

Brad Penn semi-synthetic( what us Corvette guys use) follow owners manual for W You wont be sorry.Read up on Brad Penn Oils one of the best.

[Robot9000]

Quote:

Originally Posted by Hikerdogs I"m not so sure about breaking in an engine being a thing of the past. I purchased a 2010 Ford truck and the manual still outlines a break in procedure. It recommends driving the vehicle at varying speeds for the first 1,000 miles (meaning not getting on the highway and setting the cruise control for an extended period) and cautions against full throttle acceleration from stop lights or stop signs. It also cauitons not to tow anything for the first 500 miles. http://www.motorcraftservice.com/pubs/content/~WOAEXD/~MUS~LEN/41/10exdog3e.pdf

My point was you don't need a break in oil. The only reason most manufacturers don't use full synth is cost. When cost is not a problem (Performance or high end cars such as BMW, Mercedes, etc) they come with full synthetic.

[Andy-Mo]

thanks for all the advice. Since it appears that Ford delivered the unit with synthetic blend, I asked the mechanic to use Mobile 1 synthetic blend oil and insist on using Motorcraft oil filters in the future.
Wishing you and yours a very Blessed, Happy and Healthy Holiday Season

[pacevette]

We bought our MH used with 10,000 miles on it. (F53) Not knowing on what type of oil it was changed with, is it ok to go to the semi synthetic oil?