MiggyTheTank

so my truck is at about 214,000 miles on same engine and tranny. I change it every 3000 miles, I also use valvoline high mileage synthetic blend( red container)

is there a better oil to use? Or am I okay with what I've got? Just wasn't sure if there was an upgrade from here

Granthol

You've got it to 214000, I would keep doing that.

mandingo32

Yeah, I'd keep going with what you're running now.

Jbrew

One the worst things you can do high mileage is transition to full syn w/out proper prior flushing just before. But you didn't offer up any of that... exactly anyway, not enough to suggest W/W either way. Not near enough info riding along with that question.

If you are using 100% Syn and have been for quite some time, I mean long time, then your most like alright. Big gamble, since the worst that has occurred which I've experienced with folks (not counting online, rather, -affiliations/friends and fam) in the past that can still be counted on one hand has been catastrophic failure. High mileage engines (crankcase interior walls/ front cover and elsewhere) can shed and mask the pick-up screen. I say mask because I seen thin like sheets covering the screens completely.

Purchasing used you never really know a complete history most times. And that's a lot of miles. Without further detail, the very best for the crank and engine is the recommended oil found in the users manual.

Guess I'll point this out as well. The most common vehicles I'VE personally seen (not limited to) that blow up after oil changes is mini vans owned by divorced woman lol. Yea, figure that one out lol.

Anyway, your probably okay if it's been awhile since you made the switch or whatnot.

F150ken

If it's not broke, don't fix.

white89gt

This^^^.

BUT... If the manual says 5W-30, Ford later trumped that by releasing a TSB changing their recommendation to 5W-20.

Just an FYI.

white89gt

Here's said TSB

rsylvstr

Thanks for posting. My truck oil cap says 5w20, as does the manual.
Dealer insists it should run 5w30. Then again, I don't let them do anything anymore.

ibd2328

iTrader: (2)

Run 5w 20. You have overhead cams and tensioners that needs oil regardless of temp. When -20 out, you dont want 5w30. In fla you may get away with thicker oil, but who knows.

Stick with 5w 20. Each company has additives which make small deposites. Stick with what you have been using if you dont see any sludge or build up.

white89gt

Wow.... if anyone should know about the TSB, it's the dealer.