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#4633818 - 01/13/18 04:18 PM 15K oil change on Amsoil
Oscar1 Offline


Registered: 01/12/18
Posts: 6
Loc: Kansas City
Hey long time lurker, first time poster here. I have a 2011 Toyota Matrix with the 1.8L. It has 45k miles on it, and we put about 15k on it a year. I'm wanting to change the oil once a year, but I've never stretched out an oil change that far before. The Amsoil SS line says good for 25k, so would I be pretty safe running it 15k in a healthy engine? Not really wanting to get a UOA done if I don't need to. I'm thinking this engine is pretty easy on oil...what say you?

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#4633823 - 01/13/18 04:22 PM Re: 15K oil change on Amsoil [Re: Oscar1]
CT8 Offline


Registered: 10/09/14
Posts: 9938
Loc: Idaho
Probably. You should call Amsoil .

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#4633825 - 01/13/18 04:23 PM Re: 15K oil change on Amsoil [Re: Oscar1]
das_peikko Online   content


Registered: 01/01/18
Posts: 151
Loc: San Antonio, TX
Do it. 15,000 is nothing on Amsoil. Make sure you use a high quality wire backed filter.

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#4633828 - 01/13/18 04:29 PM Re: 15K oil change on Amsoil [Re: Oscar1]
hemitruck Offline


Registered: 03/18/11
Posts: 330
Loc: new jersey
Use good synthetic oil filter and Jan oil analysis done at an appropriate time.

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#4633831 - 01/13/18 04:35 PM Re: 15K oil change on Amsoil [Re: Oscar1]
Oscar1 Offline


Registered: 01/12/18
Posts: 6
Loc: Kansas City
I'm currently using Pennzoil synthetic and a Fram Ultra filter, changing at 5k...which I know is a bit of a waste. I use Amsoil in my motorcycles and really like it, but I've never used their pcmo line. It's time to order some more so I thought I might give it a try. It would be close to twice the price of the Pennzoil, but if I go more than twice as far then I'd be happy.

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#4633840 - 01/13/18 04:50 PM Re: 15K oil change on Amsoil [Re: Oscar1]
bmwtechguy Offline


Registered: 06/15/04
Posts: 2615
Loc: South Carolina
Amsoil best SS oil with a Fram Ultra oil filter for 15k miles/1year would be fine on that low mileage engine. I routinely drive 10k miles on store-bought synthetics such as M1 0W-20 or M1 HM 10W-30 and a Fram Ultra or other longlife oil filter. Years ago I drove 20k miles/1year on Amsoil's best oils. Cars lasted 300k miles+ with powertrain still in decent shape.

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#4633858 - 01/13/18 05:15 PM Re: 15K oil change on Amsoil [Re: Oscar1]
anndel Offline


Registered: 05/28/09
Posts: 240
Loc: Hawaii, USA
Go for 25,000 miles then do a UOA.

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#4633865 - 01/13/18 05:27 PM Re: 15K oil change on Amsoil [Re: Oscar1]
Ihatetochangeoil Offline


Registered: 10/28/14
Posts: 557
Loc: On the road Midwest
Originally Posted By: Oscar1
Hey long time lurker, first time poster here. I have a 2011 Toyota Matrix with the 1.8L. It has 45k miles on it, and we put about 15k on it a year. I'm wanting to change the oil once a year, but I've never stretched out an oil change that far before. The Amsoil SS line says good for 25k, so would I be pretty safe running it 15k in a healthy engine? Not really wanting to get a UOA done if I don't need to. I'm thinking this engine is pretty easy on oil...what say you?


I say you're good to go and sleep peaceably, but I'm nobody. I've run Amsoil SS 5W30 out to 37K, but I have bypass filtration. My two cents worth is also that you're trying to cheap out on it by NOT being willing to spring for a UOA. I've done UOA since 2010 and I'm willing to wager that neither Alan bender (at Amsoil testing) nor Ryan Stark (at Blackstone) is going to encourage you to go beyond manufacturer's recommendations WITHOUT supporting UOA. You don't need to do UOA on a constant basis, but you sound like you're trying to set precedent.

Unless you find another BITOG poster that has your same (or very similar) engine and vehicle AND driving habits with similar mileage and engine condition (that has already done it), you just need to pony up and set your own precedent. Everyone's situation is unique. Good Luck! (no sarcasm meant); I CAN tell you that I've pushed Amsoil SS series far beyond 15K.
_________________________

2003 Lesabre
2004 Lesabre
2004 Impala
If ur NOT doing UOA then you're throwing away good oil or your engine is already damaged. Choose.

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#4633875 - 01/13/18 05:37 PM Re: 15K oil change on Amsoil [Re: Oscar1]
ARB1977 Offline


Registered: 06/12/05
Posts: 4990
Loc: North Texas
Going to be switching to Amsoil in my Tacoma soon. 10K changes with 5K oil filter changes on stock filters.
_________________________
2015 Tacoma 4.0L 52K (as of 8-17-17)
M1 EP 5W30 & BioTech / Toyota filter

2008 CRV 2.4L 172K (as of 12-18-17)
Maxlife 5W20 / M1 filter

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#4633878 - 01/13/18 05:38 PM Re: 15K oil change on Amsoil [Re: Oscar1]
FlyNavyP3 Offline


Registered: 07/04/16
Posts: 1234
Loc: Jacksonville, FL
Not knocking AMSOIL products at all, but for convenience sake why not run Mobil 1 EP and a Fram Ultra filter, both are available at Walmart. If you wanted some extra margin you could go with Mobil 1 Annual Protection and a Fram Ultra filter. The M1 AP and Fram Ultra would make a matching pair designed around 20,000 mile oil changes. Skip the Mobil 1 filter as it's not as good as the Fram in my opinion.

However like stated by others extended oil changes are best accomplished with prudent measurements using a used oil analysis at increasing intervals to verify the viability of that extended change in your vehicle with your driving habits and your choice of oil and filter. The way I look at it it is a lot like reloading ammunition you always start low and work up and never trust someone else's guidelines. Especially not those posted on the internet.
_________________________
Luke
P-3C and P-8A Maritime Weapons and Tactics Instructor, Instructor Tactical Coordinator and Mission Commander

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#4633890 - 01/13/18 05:50 PM Re: 15K oil change on Amsoil [Re: Ihatetochangeoil]
Oscar1 Offline


Registered: 01/12/18
Posts: 6
Loc: Kansas City
Originally Posted By: Ihatetochangeoil
Originally Posted By: Oscar1
Hey long time lurker, first time poster here. I have a 2011 Toyota Matrix with the 1.8L. It has 45k miles on it, and we put about 15k on it a year. I'm wanting to change the oil once a year, but I've never stretched out an oil change that far before. The Amsoil SS line says good for 25k, so would I be pretty safe running it 15k in a healthy engine? Not really wanting to get a UOA done if I don't need to. I'm thinking this engine is pretty easy on oil...what say you?


I say you're good to go and sleep peaceably, but I'm nobody. I've run Amsoil SS 5W30 out to 37K, but I have bypass filtration. My two cents worth is also that you're trying to cheap out on it by NOT being willing to spring for a UOA. I've done UOA since 2010 and I'm willing to wager that neither Alan bender (at Amsoil testing) nor Ryan Stark (at Blackstone) is going to encourage you to go beyond manufacturer's recommendations WITHOUT supporting UOA. You don't need to do UOA on a constant basis, but you sound like you're trying to set precedent.

Unless you find another BITOG poster that has your same (or very similar) engine and vehicle AND driving habits with similar mileage and engine condition (that has already done it), you just need to pony up and set your own precedent. Everyone's situation is unique. Good Luck! (no sarcasm meant); I CAN tell you that I've pushed Amsoil SS series far beyond 15K.


Thanks, that's probably good advice to just go ahead and get a UOA. How far do I go before I sample it the first time? Go the full 15k or try and get a little bit out before then?

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#4633892 - 01/13/18 05:53 PM Re: 15K oil change on Amsoil [Re: Oscar1]
Donald Online   content


Registered: 03/21/04
Posts: 19873
Loc: Upstate NY
You should do a UOA the first time at 7500. If good to go then go to 15K and do another UOA. Assuming no issues with UOA, you are good to go to 15K for future OCI.

NAPA UOA is only $16.00 with TBN which you need.
_________________________
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)


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#4633893 - 01/13/18 05:53 PM Re: 15K oil change on Amsoil [Re: FlyNavyP3]
Oscar1 Offline


Registered: 01/12/18
Posts: 6
Loc: Kansas City
Originally Posted By: FlyNavyP3
Not knocking AMSOIL products at all, but for convenience sake why not run Mobil 1 EP and a Fram Ultra filter, both are available at Walmart. If you wanted some extra margin you could go with Mobil 1 Annual Protection and a Fram Ultra filter. The M1 AP and Fram Ultra would make a matching pair designed around 20,000 mile oil changes. Skip the Mobil 1 filter as it's not as good as the Fram in my opinion.

However like stated by others extended oil changes are best accomplished with prudent measurements using a used oil analysis at increasing intervals to verify the viability of that extended change in your vehicle with your driving habits and your choice of oil and filter. The way I look at it it is a lot like reloading ammunition you always start low and work up and never trust someone else's guidelines. Especially not those posted on the internet.


That's not a bad option. The reason I was thinking Amsoil is because I already order some once a year or so for my motorcycles, so it really wouldn't be much of a hassle. I think I will go ahead and do a UOA on whatever oil/interval I decide on, just need to figure out when to do it.

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#4633895 - 01/13/18 05:55 PM Re: 15K oil change on Amsoil [Re: Donald]
Oscar1 Offline


Registered: 01/12/18
Posts: 6
Loc: Kansas City
Originally Posted By: Donald
You should do a UOA the first time at 7500. If good to go then go to 15K and do another UOA. Assuming no issues with UOA, you are good to go to 15K for future OCI.

NAPA UOA is only $16.00 with TBN which you need.


Ok thanks for that, that sounds like good plan. I wasn't aware NAPA had the sample kits, that will make it that much easier!

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#4633915 - 01/13/18 06:20 PM Re: 15K oil change on Amsoil [Re: Oscar1]
FlyNavyP3 Offline


Registered: 07/04/16
Posts: 1234
Loc: Jacksonville, FL
I would run whatever extended drain oil you're planning to use to 7500 miles. Use a sample pump to sample in service, no need to change the oil. Mail in the sample get the results. If good, wear metals in check, good TBN, push it out accordingly. When I was working up to 15,000 miles on a Toyota with a Supercharger on Redline oil I sampled every 2,500 past 5,000 up to 15k which was the limit for me. So I did 5,7.5,10,12.5,15k then just to keep tabs on things I sampled every other oil change to keep an eye on things.

You just need the data to confirm you're not over running the oil. Also with extended drains keep an eye on oil level, add top off as needed.
_________________________
Luke
P-3C and P-8A Maritime Weapons and Tactics Instructor, Instructor Tactical Coordinator and Mission Commander

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