When I bought my truck with 20K miles the first oil change was 5-20 Full syn Mobil 1.

Then later I swapped to 5-20 Full syn Motorcraft.

Now I am using syn blend 5-20, have i hurt anything?

Also, I am going to be about 150 Miles over 3,000 Miles before I can change my oil, is that going to hurt anything? I was supposed to change it at 42,000 but I am going to be around 42,150 miles.

how long is syn-blend good for?

Thanks.

Yes, I am a huge worry wort over my truck.

 

OMG! Call the oil police!
MC syn blend is some of the best oil out there.Some go to 7500 miles on it.I go 4-5K on it.And no,you have not hurt anything.

 

No you won't hurt anything switching between oils. I run MC syn blend at 5,000 mile changes, works great.

 

X2, MC syn blend and 5000 miles

 

X3, 5W-20 MC syn blend is the reccommended oil by ford and 5K miles is the reccommended interval.

 

ull be just fine no worries

 

The type of oil you use and the frequency you decide to change it seems to prompt many personal opinions. You must use 5w-20 as recommended in the owner’s manual but after that, natural oil, blends or full synthetic is a personal choice. I would be more concerned with the frequency of the oil change.

The type of driving should also be taken into consideration. Driving only long distances should allow you to extend the time between changes where only driving short distances should shorten that time. Not allowing your oil to heat up and bake off the moisture that will collect as your engine cools is something that does not occur with short distance driving. This is the same type of moisture you see leaving your exhaust after the car cools off and you first start it.

I am and will always follow the 3K or 3 month rule I have followed since young even though todays oil products are much better than they were some 20-30 years ago. Again, that is my personal choice and I believe it is cheap insurance.

Also, there seems to be a lot of discussion on the type of oil filter to use on your Ford truck and it is the consensus that a Motorcraft filter is the one to use. That does not make it the best but the one most forum members like.

Enjoy your truck!!

 

Thanks guy, I was only 90 miles over, I always (besides two time) ran a MC oil filer with my change.

One time because it was at a Toyota dealer when I bought it, and had a filter from them and once when they (advance) gave me the wrong filter, I had to use a purloator.