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Engine oil use #4544126
10/15/17 02:18 PM
10/15/17 02:18 PM
Joined: May 2017
Posts: 20
New York/USA
Joeescape63 Offline OP
Joeescape63  Offline OP
Joined: May 2017
Posts: 20
New York/USA
Do certain engine designs use more oil over others?I have a Ford Ecoboost 2.0L which is a inline-4. Would a Subaru boxer(flat 4) use more oil than a inline or a V shaped engine?I always break the engine in as per manufactures recommendation.Thanks Joe


2018 Subaru Forester Touring
2.5L engine/CVT
Subaru Filters/Valvoline Advanced Synthetic 0w20
Re: Engine oil use [Re: Joeescape63] #4544143
10/15/17 02:53 PM
10/15/17 02:53 PM
Joined: Jun 2005
Posts: 11,338
Santa Barbara, CA
bdcardinal Offline
bdcardinal  Offline
Joined: Jun 2005
Posts: 11,338
Santa Barbara, CA
I think there are other factors that influence oil use. PCV design, type of piston rings and gap, and cylinder wall finish have more of an impact.


2014 Ford Mustang GT Track Pack
1995 Ford Mustang GT

Ford/Mazda Parts Counter
NRA Benefactor Member
Opinions expressed are my own.
Re: Engine oil use [Re: Joeescape63] #4544145
10/15/17 03:02 PM
10/15/17 03:02 PM
Joined: Dec 2003
Posts: 9,805
Florida, Cape Coral
Eddie Offline
Eddie  Offline
Joined: Dec 2003
Posts: 9,805
Florida, Cape Coral
I agree with bdcardinal. There are just too many factors to make a general statement. I've had flat 4s & 6s and inline 4s and l6 and v6s and non of them used more than a few ozs in a normal OCI. Ed


CX5 Touring 2.5L :-)
Re: Engine oil use [Re: Joeescape63] #4544215
10/15/17 04:32 PM
10/15/17 04:32 PM
Joined: Sep 2010
Posts: 7,485
S California
OneEyeJack Offline
OneEyeJack  Offline
Joined: Sep 2010
Posts: 7,485
S California
Boxer 4's and 6's have been doing well in airplanes for a long time where maintenance is well tracked and most often done with great care, no shortcuts, no quicky lubes.

I had to overhaul an 84 Civic motor at 400K miles when the 4 oil control rings all failed and everything else in the engine was doing just fine. Most people don't go that far and would never see such a failure.

Crankcase ventilation control is a contributor to the problem in engines that would otherwise never see such difficulty.

Re: Engine oil use [Re: Joeescape63] #4544222
10/15/17 04:43 PM
10/15/17 04:43 PM
Joined: Apr 2016
Posts: 1,185
Campbellsville, KY
Alex_V Offline
Alex_V  Offline
Joined: Apr 2016
Posts: 1,185
Campbellsville, KY
Piston orientation or basic design doesn't have much effect on oil consumption. Certain materials or designs used by certain manufacturers (Toyota's ring coking, Dodge's low-tension rings, Chevy's faulty integral PCV valve on the Cruze, etc.) do, but not strictly how many cylinders lay which direction.


I like Chevy and Valvoline.

'13 Cruze, 1.4T, 113K
'85 GMC C3500, 454, 130K
'82 Mercedes 300CD, OM617 turbo, 169K
'67 Suburban, 350, 331K
Re: Engine oil use [Re: Alex_V] #4544428
10/15/17 08:54 PM
10/15/17 08:54 PM
Joined: Mar 2011
Posts: 272
NM, USA
pkunk Offline
pkunk  Offline
Joined: Mar 2011
Posts: 272
NM, USA
Originally Posted By: Alex_V
Piston orientation or basic design doesn't have much effect on oil consumption. Certain materials or designs used by certain manufacturers (Toyota's ring coking, Dodge's low-tension rings, Chevy's faulty integral PCV valve on the Cruze, etc.) do, but not strictly how many cylinders lay which direction.

Until you think about oil use in an aircraft radial engine


2008 Mini Cooper Clubman (toad)
2000 Mercedes ML320
1994 Dodge 2500 Cummins
1999 Ford F53 V10 Coachman Motorhome 34ft
Re: Engine oil use [Re: OneEyeJack] #4544964
10/16/17 10:16 AM
10/16/17 10:16 AM
Joined: Sep 2004
Posts: 7,532
Marshfield , MA
andyd Offline
andyd  Offline
Joined: Sep 2004
Posts: 7,532
Marshfield , MA
Originally Posted By: OneEyeJack
Boxer 4's and 6's have been doing well in airplanes for a long time where maintenance is well tracked and most often done with great care, no shortcuts, no quicky lubes.

I had to overhaul an 84 Civic motor at 400K miles when the 4 oil control rings all failed and everything else in the engine was doing just fine. Most people don't go that far and would never see such a failure.

Crankcase ventilation control is a contributor to the problem in engines that would otherwise never see such difficulty.
Did you replace just the oil rings and put it back together? I would have been tempted.


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2

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