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#3318940 - 03/21/14 11:28 AM Re: New Subaru, 1qt in 1800mi. [Re: JTK]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 9785
Loc: N.H, U.S.A.
My wife ran our 09 EJ253 near 4Krpm on the highway. Hellish 3k rpms? - that's funny smile There's no excess engine wear at steady state load (not accel) under four grand whatsoever.
Now me flooring the Honda Fit 1.5L 5speed all the time with dragstrip starts 7 or 10 times a day running up to the rev limiter (fuel cutoff) - youll get a bit more wear then. I may do my first UOA in a long while to see how the noisy Valvoline shows on the tiny Honda.


Edited by ARCOgraphite (03/21/14 11:31 AM)
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2014 Nissan Rogue S CVT, OC#4 13740mi-Castrol Magnetec 5W30+Nissan 15208-9E01A Filter
2015 Forester 6MT 5Door, OC#4 24596mi-PP 0W20+Subaru Filter

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#3318944 - 03/21/14 11:33 AM Re: New Subaru, 1qt in 1800mi. [Re: JTK]
jrustles Offline


Registered: 02/24/13
Posts: 2035
Loc: Ontario, Canada
1) Drive it more
2) Floor it!
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#3318962 - 03/21/14 11:47 AM Re: New Subaru, 1qt in 1800mi. [Re: JTK]
Rand Offline


Registered: 08/20/03
Posts: 10092
Loc: NE,Ohio
I will say the oil consumption on the fb25 seems worst at 75-80mph or so extended highway trips of at least 40mile.

The thing to realize with the fb25 is the oil burning hurts nothing unless you get a bad one with massive consumption.. its just extremely annoying.

The truth comes out now arco eh? grin2 LOL

Originally Posted By: ARCOgraphite

Now me flooring the Honda Fit 1.5L 5speed all the time with dragstrip starts 7 or 10 times a day running up to the rev limiter (fuel cutoff)


Edited by Rand (03/21/14 11:50 AM)
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#3318979 - 03/21/14 12:02 PM Re: New Subaru, 1qt in 1800mi. [Re: JTK]
zzyzzx Offline


Registered: 05/18/12
Posts: 3138
Loc: Baltimore, Maryland, USA
I would consider that to be due to engine break in.

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#3319049 - 03/21/14 01:35 PM Re: New Subaru, 1qt in 1800mi. [Re: Rand]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 9785
Loc: N.H, U.S.A.
Originally Posted By: Rand
I

The truth comes out now arco eh? grin2 LOL

Originally Posted By: ARCOgraphite

Now me flooring the Honda Fit 1.5L 5speed all the time with dragstrip starts 7 or 10 times a day running up to the rev limiter (fuel cutoff)
I've think I mentioned more than one that I likely drive my cars harder than anyone on this forum - daily commute and not on a track. So I am a good test to the heretofore hidden weakness using under-additised low detergency/low polarity PCMO in 'high state of tune' 1.25+hp/cu-in engines. Also, I'm way older than 50.
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2014 Nissan Rogue S CVT, OC#4 13740mi-Castrol Magnetec 5W30+Nissan 15208-9E01A Filter
2015 Forester 6MT 5Door, OC#4 24596mi-PP 0W20+Subaru Filter

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#3319055 - 03/21/14 01:38 PM Re: New Subaru, 1qt in 1800mi. [Re: ARCOgraphite]
JTK Offline


Registered: 08/14/03
Posts: 8536
Loc: Buffalo, NY
Originally Posted By: ARCOgraphite
My wife ran our 09 EJ253 near 4Krpm on the highway. Hellish 3k rpms? - that's funny smile


?? I never said the 3000rpms were hellish, I said my highway commute is.
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2016 Subaru Forester 2.5, CVT. 2013 Dodge Grand Caravan SE (Babe magnet III)

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#3319064 - 03/21/14 01:50 PM Re: New Subaru, 1qt in 1800mi. [Re: BearZDefect]
JTK Offline


Registered: 08/14/03
Posts: 8536
Loc: Buffalo, NY
Originally Posted By: BearZDefect
JTK, 3,000 RPM is just fine. I've had a few old cars from the late '80s and early '90s that ran anywhere from 3,200 to 4,000 RPM at 75 MPH...


I hear you. I've had 4spd manual 4 bangers back in the 1980's, 3spd automatics, etc. that hummed along on the hyway. Just seems odd for a "green" 2014 model year "partial zero emissions vehicle".
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#3319223 - 03/21/14 05:24 PM Re: New Subaru, 1qt in 1800mi. [Re: JTK]
LoneRanger Offline


Registered: 07/02/07
Posts: 2301
Loc: Midwest
3000 - 4000rpm is the sweet spot for a subie engine.
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'09 Subaru Forester .........(Quaker State Syn Blend 5W30)
'16 Ducati Multistrada 1200S (Spectro Platinum 15W50)

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#3319254 - 03/21/14 06:16 PM Re: New Subaru, 1qt in 1800mi. [Re: LoneRanger]
JTK Offline


Registered: 08/14/03
Posts: 8536
Loc: Buffalo, NY
Originally Posted By: LoneRanger
3000 - 4000rpm is the sweet spot for a subie engine.


Could be LR. I dunno where peak torque is for the FB20, but I wouldn't say 2.0 or 2.5i Subaru engines are happy revers. To me they sound and feel horrible at high revs.
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2016 Subaru Forester 2.5, CVT. 2013 Dodge Grand Caravan SE (Babe magnet III)

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#3319368 - 03/21/14 08:38 PM Re: New Subaru, 1qt in 1800mi. [Re: JTK]
rjundi Offline


Registered: 03/16/04
Posts: 7256
Loc: USA
My only experience with oil consumption/Subaru with my current 2005 Legacy GT(turbo EJ255) wagon with 167,000 miles. I tried Mobil 1 and it consumed a quart every 2000 miles. No idea why. I flipped back to conventional 5w30 as before and currently and it does not burn oil over 4000 miles.

Makes no sense.

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#3319468 - 03/21/14 10:49 PM Re: New Subaru, 1qt in 1800mi. [Re: LoneRanger]
friendly_jacek Offline


Registered: 05/04/03
Posts: 6416
Loc: southeast US
Originally Posted By: LoneRanger
Believe there is a recent TSB out for this that may involve installing a new ring design Subaru has created to address the issue.


What exactly is the new ring design? Going from low tension rings for regular ones?

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#3319602 - 03/22/14 09:10 AM Re: New Subaru, 1qt in 1800mi. [Re: friendly_jacek]
doitmyself Offline


Registered: 06/03/02
Posts: 5294
Loc: MI
Originally Posted By: friendly_jacek
Originally Posted By: LoneRanger
Believe there is a recent TSB out for this that may involve installing a new ring design Subaru has created to address the issue.


What exactly is the new ring design? Going from low tension rings for regular ones?


A google search shows a brand new TSB just issued March 20 at SOA, but I do not have access to it: http://techinfo.subaru.com/static/whatsNew.html

Here is a link to the September 2013 complete TSB, a zipped up file if you feel it safe to open...about the 13th post down: http://www.subaruforester.org/vbulletin/...2/index151.html

2012 (AFTER VIN C*411693)- 14 MY Forester Models with 2.5L FB Engines
"This bulletin provides information regarding a change made to the surface treatment applied to the oil control piston rings for 2.5L FB engines. The change was made as a result of some limited findings of unanticipated wear of these rings. Oil consumption will be higher than normal and consistent, if this wear occurs, the condition remains until repair."


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#3319620 - 03/22/14 09:34 AM Re: New Subaru, 1qt in 1800mi. [Re: JTK]
LoneRanger Offline


Registered: 07/02/07
Posts: 2301
Loc: Midwest
Mine is smooth as butter up to redline, 5-speed manual trans. Unless it is the boxer exhaust note you're referring to, which admittedly does take on a weird ragged sound above about 3500rpm. But as far as engine smoothness, I think I might be able to place a glass of Chardonnay on the engine and it wouldn't move.

Not that I drink Chardonnay.

When Mobil dropped Clean 5000 in late 2011, I switched it to Kendall GT-1 synthetic blend. Could it be the timing chain on the FB making it louder, I have the older EJ25 w/ the belt. Also, the revs are more buttery on the Kendall than they were on the old Mobil Clean 5000. Mobil oils lubricate well but they always seem to make the engine emit a little more metallic noise.

Kendall makes a 0W20 full synthetic, maybe try it on your next oil change it's priced below most other 0W20's (but can be hard to find on retail shelves). I think there is a VOA of it on the Petroleum Quality Institute of America's web site.

Originally Posted By: JTK
Originally Posted By: LoneRanger
3000 - 4000rpm is the sweet spot for a subie engine.


Could be LR. I dunno where peak torque is for the FB20, but I wouldn't say 2.0 or 2.5i Subaru engines are happy revers. To me they sound and feel horrible at high revs.
_________________________

'09 Subaru Forester .........(Quaker State Syn Blend 5W30)
'16 Ducati Multistrada 1200S (Spectro Platinum 15W50)

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#3320369 - 03/22/14 10:32 PM Re: New Subaru, 1qt in 1800mi. [Re: doitmyself]
friendly_jacek Offline


Registered: 05/04/03
Posts: 6416
Loc: southeast US
Originally Posted By: doitmyself

"This bulletin provides information regarding a change made to the surface treatment applied to the oil control piston rings for 2.5L FB engines. The change was made as a result of some limited findings of unanticipated wear of these rings. Oil consumption will be higher than normal and consistent, if this wear occurs, the condition remains until repair."


Thanks!
I guess the rings were too soft from the factory.

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#3320891 - 03/23/14 01:46 PM Re: New Subaru, 1qt in 1800mi. [Re: JTK]
JTK Offline


Registered: 08/14/03
Posts: 8536
Loc: Buffalo, NY
I was wrong about the RPMs at 75mph. They're closer to 3400rpm @ 75mph with the 5spd XV Crosstrek. Like said, it's not horrible, it just takes some getting used to. Until you get used to it, you're searching for another gear. IIRC, my 2012 Legacy 2.5i CVT rolled at barely 2K rpm at that speed.


Edited by JTK (03/23/14 01:48 PM)
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