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#4543421 - 10/14/17 06:00 PM Opinion About OCI and Mobil 1: Mechanics / Techs?
Hot_Ajax Offline


Registered: 07/14/12
Posts: 139
Loc: Bucks County, PA
I drive an 09 Tacoma with a V-6. One third city, two thirds rural driving. Have 250,000 miles, no oil loss or smoke. Have been using Mobil 1 5W-30 for last 220,000 miles with an 8000 mile OCI and Hastings filter (if I remember to look at the little sticker). Now that this engine has reached old fahrt status, is there any need to shorten up on the OCI? Thank you.


Edited by Hot_Ajax (10/14/17 06:09 PM)

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#4543431 - 10/14/17 06:18 PM Re: Opinion About OCI and Mobil 1: Mechanics / Techs? [Re: Hot_Ajax]
PimTac Online   content


Registered: 03/04/17
Posts: 4325
Loc: Soviet State of Washington
Nope, just stay on course with what you are doing now. That Toyota engine is bulletproof.
_________________________
2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter


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#4543432 - 10/14/17 06:19 PM Re: Opinion About OCI and Mobil 1: Mechanics / Techs? [Re: Hot_Ajax]
hyperscion Offline


Registered: 11/14/09
Posts: 132
Loc: oklahoma
I think your doing everything right, maybe mobil hm,,,, but why rock the boat, good job on your maintenance.

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#4543436 - 10/14/17 06:22 PM Re: Opinion About OCI and Mobil 1: Mechanics / Techs? [Re: Hot_Ajax]
Brett776 Offline


Registered: 07/17/17
Posts: 25
Loc: Florida
Iím far from an expert, sounds like your current oci is working fine. Iím assuming youíre using synthetic mobil 1. You are probably fine with that OCI. Donít be like me, I made it to 4800 miles and changed mine today with 50% on my OLM..I just get anxiety that my oil is going bad. Then again I short trip a lot. Try an UOA from Blackstone.

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#4543438 - 10/14/17 06:24 PM Re: Opinion About OCI and Mobil 1: Mechanics / Techs? [Re: hyperscion]
4WD Offline


Registered: 09/21/10
Posts: 6411
Loc: Texas
Perhaps M1 HM to give the seals a bit more TLC Ö OCI could stay the same Ö

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#4543445 - 10/14/17 06:34 PM Re: Opinion About OCI and Mobil 1: Mechanics / Techs? [Re: Hot_Ajax]
Alex_V Offline


Registered: 04/10/16
Posts: 1155
Loc: Campbellsville, KY
Not even sure I'd worry about moving to HM unless it becomes prudent from leaks or an increase in consumption. If your engine has that many miles and the your current oil+interval is keeping it clean inside, no reason to change.
_________________________
I like Chevy and Valvoline.

'13 Cruze, 1.4T, 112K
'85 GMC C3500, 454, 130K
'82 Mercedes 300CD, OM617 turbo, 167K
'67 Suburban, 350, 331K

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#4543457 - 10/14/17 06:45 PM Re: Opinion About OCI and Mobil 1: Mechanics / Techs? [Re: Hot_Ajax]
Dumc87 Offline


Registered: 06/05/10
Posts: 591
Loc: Florida
This thread has more info, and I'm with the other guys; just keep doing what you're doing! Don't worry about the flush or any cleaning unless you see sludge, which you probably have little to none of anyway.
_________________________
'90 Z32 - PP HM 10w30
'98 ZJ - PYB HM 10w40
'02 G20 - QS UD 5w30
'09 Matrix - QS UD 0w20

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#4543477 - 10/14/17 06:56 PM Re: Opinion About OCI and Mobil 1: Mechanics / Techs? [Re: Hot_Ajax]
SilverFusion2010 Offline


Registered: 06/29/11
Posts: 1663
Loc: Crawfordville FL
Unless you have leaks or consumption, no real reason to change oils or intervals. I run 8k oci in my fusion with Mobil oils and don't think much about it
_________________________
2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30

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#4543509 - 10/14/17 07:35 PM Re: Opinion About OCI and Mobil 1: Mechanics / Techs? [Re: Hot_Ajax]
JohnnyJohnson Online   content


Registered: 10/22/09
Posts: 2765
Loc: Wet side WA
Originally Posted By: Hot_Ajax
I drive an 09 Tacoma with a V-6. One third city, two thirds rural driving. Have 250,000 miles, no oil loss or smoke. Have been using Mobil 1 5W-30 for last 220,000 miles with an 8000 mile OCI and Hastings filter (if I remember to look at the little sticker). Now that this engine has reached old fahrt status, is there any need to shorten up on the OCI? Thank you.


What does you UOA tell you?
_________________________
2004 Toyota Corolla 121790
Out: QSUD 5W-30 Purolator One 5030
In: Valvoline ML 5w-30 TG4967 117530 2-8-18
2006 Duramax 74047
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73752 4-22-18

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#4543524 - 10/14/17 07:55 PM Re: Opinion About OCI and Mobil 1: Mechanics / Techs? [Re: Hot_Ajax]
GMBoy Offline


Registered: 11/22/04
Posts: 7705
Loc: Texas
I see the point of continuing with your current methods because they have proven - over the LONG haul - to work! With that being said, and I am a Mobil 1 user, I would go to the Hi-mileage Mobil 1 for not just the seal conditioners but that it's on the thich side of a 30wt oil which may be beneficial to your engine at those miles.

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#4543529 - 10/14/17 07:59 PM Re: Opinion About OCI and Mobil 1: Mechanics / Techs? [Re: Hot_Ajax]
hyperscion Offline


Registered: 11/14/09
Posts: 132
Loc: oklahoma
oil seals will fail at sometime,, a cheap change to hm oil wont hurt,, and maybe prolong those seals. but what do I know. oci keep the same.

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#4543531 - 10/14/17 08:01 PM Re: Opinion About OCI and Mobil 1: Mechanics / Techs? [Re: GMBoy]
hyperscion Offline


Registered: 11/14/09
Posts: 132
Loc: oklahoma



+1

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#4543615 - 10/14/17 09:59 PM Re: Opinion About OCI and Mobil 1: Mechanics / Techs? [Re: Hot_Ajax]
Rolla07 Offline


Registered: 11/05/11
Posts: 4737
Loc: MTL, CANADA
Keep on doing what u do!
_________________________
2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967


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#4543664 - 10/15/17 12:10 AM Re: Opinion About OCI and Mobil 1: Mechanics / Techs? [Re: Hot_Ajax]
barkingspider Offline


Registered: 12/22/13
Posts: 2049
Loc: socal
No need to change, unless u really want to
_________________________
06 Cadillac Escalade Ext
17 Cadillac ATS (wife)
05 Toyota Camry (daughter)
11 GMC Canyon off-road (daily)

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#4544187 - 10/15/17 03:58 PM Re: Opinion About OCI and Mobil 1: Mechanics / Techs? [Re: Hot_Ajax]
K23Turbo Offline


Registered: 02/05/09
Posts: 224
Loc: Pennsylvania
Your oci has been trouble free so far. Iíd dare and venture to say you can extend your oci by 2K. With a uoa first if ya like.

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