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#3296136 - 02/27/14 11:21 AM MMO before 2600 mile trip - Toyota 3MZFE
e40 Offline


Registered: 03/15/08
Posts: 357
Loc: Waunakee, WI
I have a 2005 Sienna with the 3MZFE and 183500 miles. I do 5k OCI's with my free G-Oil 5w30 and the UOA's have been pretty good.

http://www.bobistheoilguy.com/forums/ubb...200#Post2891657

We're taking the van to Florida, leaving today, and will put 2600+ miles on it round trip. That will put me about 1000 miles over my normal OCI.

Anyhow have about 1/2 gallon of MMO onhand and thought of running some of it in the crankcase on the tail end of the OCI. Unfortunately the baffles prevent seeing into the valve train, so I wouldn't be able to do a before/after photo. I am willing to do a UOA and share it when I get back to see how the MMO affected the oil.

The van does not consume any oil, I always extract 5 quarts with my Pella every change. I am wondering how much MMO to put in, and when. We stop overnight in Tennessee after driving 650 miles per day, perhaps run the MMO for the last 650 miles? I also have plenty of QS and Puro Classic filters, I can easily change the filter before leaving, or in the Tennessee parking lot.

Thanks!
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#3296144 - 02/27/14 11:31 AM Re: MMO before 2600 mile trip - Toyota 3MZFE [Re: e40]
Donald Offline


Registered: 03/21/04
Posts: 17061
Loc: Upstate NY
Skip the MMO. Concentrate on your oil. Change is early vs late.
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2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
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1999 Dodge Ram 2500 w/Cummins- 4-sale


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#3296163 - 02/27/14 11:50 AM Re: MMO before 2600 mile trip - Toyota 3MZFE [Re: e40]
Zaedock Offline


Registered: 09/10/05
Posts: 3866
Loc: Massachusetts
We do 6000-7000 mile intervals in my wife's Maxx per the OLM.

6,000 miles with a long highway trip is fine. Change it when you get back. Don't worry about the MMO.
_________________________
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#3296164 - 02/27/14 11:51 AM Re: MMO before 2600 mile trip - Toyota 3MZFE [Re: e40]
NMBurb02 Offline


Registered: 09/12/12
Posts: 1943
Loc: Crowntown, CA
Going with a 6k OCI should be no problem in this case due to the fact that it is practically all highway for these last 2,600 miles. Many folks run MMO for a full OCI without any problems and I have toyed with the idea of using it to top off the 1 qt I am generally down 2-3k before the end of my OCI rather than adding another qt of oil. If you are not down any oil, I probably would not drain/extract some in order to run the MMO in the crankcase. Instead, maybe use 1/2 to 1 qt at the beginning of your next OCI and top off with the G-Oil as some of the MMO flashes off.

All that being said, I have never run MMO in the crankcases of any of my vehicles but may do so some day.
_________________________
2002 Chevy Suburban 1500, G-Oil 5W-30, Fram TG3675
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#3296168 - 02/27/14 11:53 AM Re: MMO before 2600 mile trip - Toyota 3MZFE [Re: e40]
SatinSilver Offline


Registered: 01/24/08
Posts: 4985
Loc: Ohio
Pour the MMO in the toilet holding tank to help lube the passage ways.
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2012 Toyota Camry 62k miles- PP 0w20, oem filter (TGMO all prior)
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#3296173 - 02/27/14 11:55 AM Re: MMO before 2600 mile trip - Toyota 3MZFE [Re: e40]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 10026
Loc: N.H, U.S.A.
No MMO in the crankcase. Never.
Or is it 1953 again?
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#3296174 - 02/27/14 11:55 AM Re: MMO before 2600 mile trip - Toyota 3MZFE [Re: e40]
demarpaint Offline


Registered: 07/03/05
Posts: 25387
Loc: NY
I'll take the flip side since others warned against it. hide Having used the product for close to 40 years, it won't hurt for the last leg of the trip. If you suspect the engine needs a little cleaning I'd do it. With 183k+ miles you might need some cleaning. I'd try and run it for 1,000 miles if possible.
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#3296225 - 02/27/14 12:28 PM Re: MMO before 2600 mile trip - Toyota 3MZFE [Re: e40]
Phishin Offline


Registered: 05/01/12
Posts: 2069
Loc: Indiana
I'm with demarpaint....

I've run 10-20% MMO in my truck for the past 30k miles...non-stop. It runs just fine.

I've ran full 7k OCI's in my 2000 Altima (I just sold her) and it never did a bit of harm.

MMO is a fairly good cleaner. I'd run it with confidence.
_________________________
2010 Accord-LX K24: PU 5w30
2009 Subaru Forester 2.5X: M1 TDT
1990 Chevy K1500 350TBI: Frankenbrew
2008 Ruckus 50ccGET: M1R Mix

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#3296252 - 02/27/14 12:43 PM Re: MMO before 2600 mile trip - Toyota 3MZFE [Re: e40]
Clevy Offline


Registered: 11/11/10
Posts: 9782
Loc: Saskatoon canada
With phishin and dermapaint.
It's all highway miles so I think it is the ideal conditions to use the stuff for a cleaning phase.
Worst case scenario is you change the oil at a quick lube or something right.
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#3296256 - 02/27/14 12:46 PM Re: MMO before 2600 mile trip - Toyota 3MZFE [Re: e40]
SrDriver Offline


Registered: 12/09/06
Posts: 2749
Loc: Southeast Alabama
I have used MMO for more years than I can count.


20% MMO 80% of your regular motor oil. Do not overfill.

I have seen first hand what it can do in aircraft engines and vehicle engines.

I use in @ 3 to 4 oz per 10 gallons of gasoline too in both my and my wife's vehicles. Have done that for years and years too.

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#3296257 - 02/27/14 12:47 PM Re: MMO before 2600 mile trip - Toyota 3MZFE [Re: e40]
TrevorS Offline


Registered: 07/14/13
Posts: 1281
Loc: California
You never gave a reason for why you think you need to use MMO except that you have it on hand.

Is there something that needs to be cleaned that is preventing your engine from running well?

G Oil is already very good at cleaning as it has esters.

Another recommendation for you is that if your drain pan was not designed for top extraction or if there has been any build up in the past, there may be deposits at the bottom if your oil pan which the extractor does not pick up. You may be due for a regular oil drain from the pan.

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#3296260 - 02/27/14 12:50 PM Re: MMO before 2600 mile trip - Toyota 3MZFE [Re: TrevorS]
Phishin Offline


Registered: 05/01/12
Posts: 2069
Loc: Indiana
Originally Posted By: TrevorS


G Oil is already very good at cleaning as it has esters.


This idea is beat. (In a mocking voice): "G Oil is already very good at cleaning as it has esters." LOL.

Well, you know what's better at cleaning crud out of your engine better than esters, esters AND MMO....at the same time!! Oh no....the sky is falling!!


Edited by Phishin (02/27/14 12:51 PM)
_________________________
2010 Accord-LX K24: PU 5w30
2009 Subaru Forester 2.5X: M1 TDT
1990 Chevy K1500 350TBI: Frankenbrew
2008 Ruckus 50ccGET: M1R Mix

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#3296283 - 02/27/14 01:11 PM Re: MMO before 2600 mile trip - Toyota 3MZFE [Re: Phishin]
TrevorS Offline


Registered: 07/14/13
Posts: 1281
Loc: California
Originally Posted By: Phishin
Originally Posted By: TrevorS


G Oil is already very good at cleaning as it has esters.


This idea is beat. (In a mocking voice): "G Oil is already very good at cleaning as it has esters." LOL.


I don't understand what you mean by "beat". Can you clarify?

It is well known that oils are formulated to keep clean and in some cases can also clean up.

The OP has not given any reason to use an additive. He even says he has no consumption, his UOAs are good and has not reported any mechanical concerns and is planning a long trip so does not seem worried.

Why the rush to use additives in this scenario? What leads you to believe he has "crud" to remove?

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#3296292 - 02/27/14 01:24 PM Re: MMO before 2600 mile trip - Toyota 3MZFE [Re: e40]
TrevorS Offline


Registered: 07/14/13
Posts: 1281
Loc: California
OP, Blackstone felt you could go to 7k on this oil. So being at 6k after this trip seem doable.

Also, at 5k miles your viscosity was at the lower end for a 30 weight. MMO will take this lower so if viscosity concerns you, bear that in mind.

I see no reason for you to use MMO in the crankcase. Your 5k mile oil change appear conservative so have most likely been doing a good job of keeping things clean eg you have no consumption at almost 200k miles.

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#3296387 - 02/27/14 02:58 PM Re: MMO before 2600 mile trip - Toyota 3MZFE [Re: e40]
Trajan Offline


Registered: 07/16/05
Posts: 3730
Loc: SE PA
If you want to put it in go right ahead. But why?

You don't *need* it. It isn't going to do anything that your 5K oil changes haven't

Skip it and enjoy the trip.
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