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re: Ford F 150 EcoBoost owners. Oil changes?

Posted on 6/11/15 at 12:29 am to
Posted by LNCHBOX
70448
Member since Jun 2009
84289 posts
Posted on 6/11/15 at 12:29 am to
quote:

I change between 3k and 5k depending on where and how it's been driven. I use full synthetic oil.


What's the point in changing synthetic that frequently? Do you tow in hilly terrain 90% of the time?
Posted by Agforlife
Somewhere in the Brazos Valley
Member since Nov 2012
20102 posts
Posted on 6/11/15 at 8:19 am to
quote:

What's the point in changing synthetic that frequently? Do you tow in hilly terrain 90% of the time?






Nope but the most common failure on GM dod engines is the mechanism that drops out the cylinders getting gunked up with carbon and crud from oil so I change it frequently to prevent it.
Posted by Citica8
Duckroost, LA
Member since Dec 2012
3665 posts
Posted on 6/11/15 at 9:20 am to
quote:

What's the point in changing synthetic that frequently? Do you tow in hilly terrain 90% of the time?
Stop and go driving is some hardest miles you will ever put on your engine especially with turbos. Oversized MT tires that are 2x the weight of OEM exaggerates this even more.

I used to follow the OLM on my GMC until it started burning 3qts of oil every 5k miles.

Either way the difference between getting your oil changed at 5k and 7.5k is like $200-$300 over 100k miles.
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