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#4429000 - 06/11/17 11:32 PM New Ford F-150 3.5 ecoboost.
dbvettez061 Offline


Registered: 08/21/08
Posts: 136
Loc: western Colorado
Here's my questions. Bought this new, have 6000 miles on it had the dealer do the semi synthetic oil change. I have 3 move free oil changes with the Ford semi synthetic oil. I would prefer Mobil 1 extended in it. Over the long haul, do you think the semi over the full synthetic will make any difference? I drive it easy , no towing, and don't beat on it. Appreciate your thoughts.
_________________________
2001 Z06 Forged Blown Stroked 650 RWHP 645 RWTQ
Vietnam Vet 5thSFGA

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#4429006 - 06/11/17 11:56 PM Re: New Ford F-150 3.5 ecoboost. [Re: dbvettez061]
Seventh Offline


Registered: 11/11/12
Posts: 234
Loc: NorCal
Get your money's worth out of the free oil changes then do whatever rustles your jimmies after that.

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#4429009 - 06/12/17 12:05 AM Re: New Ford F-150 3.5 ecoboost. [Re: dbvettez061]
Kuato Offline


Registered: 10/23/05
Posts: 7094
Loc: Colorado
+1; let them do the free changes, make sure it's 5w30 (on F150 forums a lot of time the dealer puts in 5w20 instead in the EB) then go with what you want.

Or, if you don't mind paying for the extra changes yourself, just put your oil in next time the OLM goes off.

Likely no different in wear over 20k miles.
_________________________
Thick vs Thin test: 15k / 43k miles complete

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#4429014 - 06/12/17 12:39 AM Re: New Ford F-150 3.5 ecoboost. [Re: dbvettez061]
Onug Offline


Registered: 03/19/12
Posts: 344
Loc: Washington, USA
Motorcraft is good oil. Get the free oil changes and then do whatever you want.

Don't be afraid to get into the engine occasionally. These turbo-DI engines are not good "city driving" engines. So put it into sport mode and have some fun to warm them up. They like to be driven.

Fuel dilution can also be a problem, so I recommend a UOA to see what's happening inside the block.
_________________________
2016 F-150 3.5L Ecoboost
Current Oil: Mobil 1 5W-30 and Fram Ultra filter

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#4429018 - 06/12/17 01:11 AM Re: New Ford F-150 3.5 ecoboost. [Re: dbvettez061]
edyvw Offline


Registered: 03/08/12
Posts: 5038
Loc: Colorado Springs
Forget free oil changes. How much you will save? Engines are expensive, oil is cheap.
That engine has fuel dilution issue. Personally, I would use M1 0W40 FS or Castrol 0W40.
_________________________
13' BMW X5 35d (Mobil1 5W30 ESP+OEM filter)
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)

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#4429029 - 06/12/17 02:00 AM Re: New Ford F-150 3.5 ecoboost. [Re: dbvettez061]
Timo325 Offline


Registered: 08/31/14
Posts: 338
Loc: AL,NC,TX,Germany,Korea,Italy
Do the free changes. The oil is decent, and your not doing anything tough to it.
_________________________
2011 Odyssey Touring Elite 80k mi. M1 EP, 0W-20, FU
2008 Mustang GT 81k mi. Edge EP (Gold) 5W-20, FU


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#4429055 - 06/12/17 04:20 AM Re: New Ford F-150 3.5 ecoboost. [Re: edyvw]
bbhero Offline


Registered: 03/20/15
Posts: 4627
Loc: Virginia
I agree with Edyvw on this for the most part. Get either Castrol 0w40 or Mobil 1 0w40 and run either one of them. I would add Castrol Magnatec 5w30 to the list because on here it has held up it's viscosity very well in these ecoboost motors.


Edited by bbhero (06/12/17 04:20 AM)
_________________________
Nissan Altima 3.5 Coupe Valvoline Advanced Full Synthetic 5w30 Federated Auto 4612ex
"Treat your family like your friends and treat your friends like your family."

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#4429073 - 06/12/17 05:35 AM Re: New Ford F-150 3.5 ecoboost. [Re: Onug]
leje0306 Offline


Registered: 08/28/16
Posts: 59
Loc: Minnesota
Originally Posted By: Onug
Motorcraft is good oil. Get the free oil changes and then do whatever you want.

Don't be afraid to get into the engine occasionally. These turbo-DI engines are not good "city driving" engines. So put it into sport mode and have some fun to warm them up. They like to be driven.

Fuel dilution can also be a problem, so I recommend a UOA to see what's happening inside the block.


I recognize you have an EB, but is all of this true for the completely new EB with dual injection? The new motor shares the same displacement. That's it.

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#4429076 - 06/12/17 05:36 AM Re: New Ford F-150 3.5 ecoboost. [Re: edyvw]
leje0306 Offline


Registered: 08/28/16
Posts: 59
Loc: Minnesota
Originally Posted By: edyvw
Forget free oil changes. How much you will save? Engines are expensive, oil is cheap.
That engine has fuel dilution issue. Personally, I would use M1 0W40 FS or Castrol 0W40.


This engine has been out since December. Did I miss UOA's that show this engine has fuel dilution issues?

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#4429078 - 06/12/17 05:42 AM Re: New Ford F-150 3.5 ecoboost. [Re: dbvettez061]
demarpaint Offline


Registered: 07/03/05
Posts: 29771
Loc: NY
I tell them to keep the free oil changes. Too much hassle for me to go back to the dealer for an oil change. Then there's the risk of one of the many horror stories we often read here about an oil change gone bad at the dealer. To me it isn't worth it. Mobi1 1 5W30 EP is a good choice.
_________________________
God Bless Our Troops


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#4429119 - 06/12/17 07:31 AM Re: New Ford F-150 3.5 ecoboost. [Re: edyvw]
dbvettez061 Offline


Registered: 08/21/08
Posts: 136
Loc: western Colorado
Originally Posted By: edyvw
Forget free oil changes. How much you will save? Engines are expensive, oil is cheap.
That engine has fuel dilution issue. Personally, I would use M1 0W40 FS or Castrol 0W40.

What is this'fuel dilution issue'?
Mine is a 2016 not a 2017.
_________________________
2001 Z06 Forged Blown Stroked 650 RWHP 645 RWTQ
Vietnam Vet 5thSFGA

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#4429131 - 06/12/17 08:02 AM Re: New Ford F-150 3.5 ecoboost. [Re: dbvettez061]
FordCapriDriver Offline


Registered: 10/22/15
Posts: 2380
Loc: Balearic Islands , Spain
Use the free oil changes, and make sure they put in 5W-30, after that i would use Castrol Magnatec 5W-30.
_________________________
1975 Ford Capri II Ghia 3000 V6, - Valvoline VR1 20W-50
1988 Ford Escort MkIV 1.6 Xr3i Cabrio, - Shell Rimula R4X 15W-40 HDEO.

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#4429140 - 06/12/17 08:18 AM Re: New Ford F-150 3.5 ecoboost. [Re: dbvettez061]
barkingspider Offline


Registered: 12/22/13
Posts: 2049
Loc: socal
I would also use the free dealer oil changes. Syn blend will not hurt your engine at all. Plus, the dealer will have record of this maintenance.
_________________________
06 Cadillac Escalade Ext
17 Cadillac ATS (wife)
05 Toyota Camry (daughter)
11 GMC Canyon off-road (daily)

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#4429187 - 06/12/17 09:18 AM Re: New Ford F-150 3.5 ecoboost. [Re: dbvettez061]
CT8 Offline


Registered: 10/09/14
Posts: 10979
Loc: Idaho
What makes you thing the Mobil will do a better job other than in sub freezing temps? The oils mostly fuel dilute over the oil change interval.The posted uoas are a valuable tool use them
_________________________
"Don't let your preconceived notions get in the way of facts."
Geoff Metcalf

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#4429193 - 06/12/17 09:25 AM Re: New Ford F-150 3.5 ecoboost. [Re: dbvettez061]
Fatboymoe Offline


Registered: 04/30/04
Posts: 514
Loc: Deer Park, Washington
Pay the difference for the Motorcraft 5w30 full synthetic and enjoy !
_________________________
2016 F150 XLT 4x4 3.5 EB R.I.P.
2003 HD FatBoy
2018 Subaru Legacy with EyeSight
2017 F150 XLT 4x4 3.5 EB, Max tow




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