It's AMSOIL®, not Amsoil

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Originally Posted By: 4WD
Thought you ran AFE for 17k ?
Did both AFE and EP; I do not think either of them could go 25K miles.
 
Originally Posted By: JLTD
Ok I guess I'm wrong to value your time off; only you can decide how valuable it is to you. I might go least expensive if not going for longer intervals. And price comparisons between wally oil sales and a small company's synthetic aren't really meaningful anyway, since they are such different ends of the spectrum.


Your math was off in terms of the hourly rate and also the actual amount of time it takes. If you're shopping there anyway, the actual cost in time is the extra few minutes that it takes to roll the cart over to the oil aisle, not an hour to make the trip.

As for the price comparison, it is valid because nothing here really shows that it's 4-5x better than other synthetic oils which you can easily buy with rebates. And there's the question of the spectrum. What does that really mean? If you dump a car at the 200-250 mark, does it matter if there's less wear if the wear has no effect on whether it lasts til that 200-250k mark? I'm not even sure that's valid as one of the claims is against industry spec, not against the actual competition.
 
With some of the high fuel dilution numbers showing on modern engines... does amsoil have something special to combat this to maintain its super higher OCI?
 
Originally Posted By: HemiHawk
With some of the high fuel dilution numbers showing on modern engines... does amsoil have something special to combat this to maintain its super higher OCI?

The fuel dilution in modern engines is no worse than "older" ones...IMHO and this dilution is usually traced to short trips and colder weather. And a 25K mile oil change is only valid in a "mechanically sound engine" (I believe Amsoil's words.) Habitual dilution is not part of a sound engine.
 
Originally Posted By: 2015_PSD
Perhaps in Oz, but I would challenge whether the US version of M1 (regular or EP) could go 25K miles on an OC. At 17K my TBN was getting pretty low.


You aren't getting my point...either M1 or Amsoil is just as likely to successfully get to 25k miles.

Amsoil sell it as the 25k oil, and clearly win customers because of it...how moany of these people GO 25k (in 1 year).

When I spoke to Mobil Oz about 0W40 in my 4Runner they stated that 12 months...3,000 miles, 25,000 miles would be fine...remember this oil STARTS at 35,000km with Merc and BMW.

If your driving style is such that you can DO the 25,000 miles in a year, then the oil gets an easy ride...if it's 3,000 miles of stop/start...that's what it does too...and that's how Merc/BMW treat their OCI.


e.g. my diesel COlorado, when I got it had 4,300km on it, and had used 65% of it's oil life...would have been done at a bit over 6,000km (far short of the 15,000km service interval)...I drove it my way, and got to 10,500kmbefore htting zero. THis OCI, I'm at 14,000km, and 11% remaining...should be 15,500km

That's what I'm stating, and AMSOIL is relying on with their 25,000 mile offer.

Nearly nobody is a candidate for achieving that...and I'll stand by my statement that Mobil 1 is equal in it's ability to get there.

WRT to your TBN...were you a candidate for 25,000 miles in 12 months ?
again...
https://www.brianschreurs.org/neptune.spacebears.com/cars/stories/mobil1.html
https://www.brianschreurs.org/neptune.spacebears.com/cars/stories/amsoil.html

The Amsoil was 1.8 TBN, the M1 3.3...
 
Originally Posted By: Shannow
Originally Posted By: 2015_PSD
Perhaps in Oz, but I would challenge whether the US version of M1 (regular or EP) could go 25K miles on an OC. At 17K my TBN was getting pretty low.
You aren't getting my point...either M1 or Amsoil is just as likely to successfully get to 25k miles.

Amsoil sell it as the 25k oil, and clearly win customers because of it...how moany of these people GO 25k (in 1 year).

When I spoke to Mobil Oz about 0W40 in my 4Runner they stated that 12 months...3,000 miles, 25,000 miles would be fine...remember this oil STARTS at 35,000km with Merc and BMW.

If your driving style is such that you can DO the 25,000 miles in a year, then the oil gets an easy ride...if it's 3,000 miles of stop/start...that's what it does too...and that's how Merc/BMW treat their OCI.


e.g. my diesel COlorado, when I got it had 4,300km on it, and had used 65% of it's oil life...would have been done at a bit over 6,000km (far short of the 15,000km service interval)...I drove it my way, and got to 10,500kmbefore htting zero. THis OCI, I'm at 14,000km, and 11% remaining...should be 15,500km

That's what I'm stating, and AMSOIL is relying on with their 25,000 mile offer.

Nearly nobody is a candidate for achieving that...and I'll stand by my statement that Mobil 1 is equal in it's ability to get there.

WRT to your TBN...were you a candidate for 25,000 miles in 12 months ?
again...
https://www.brianschreurs.org/neptune.spacebears.com/cars/stories/mobil1.html
https://www.brianschreurs.org/neptune.spacebears.com/cars/stories/amsoil.html

The Amsoil was 1.8 TBN, the M1 3.3...
No, you are not getting mine. I actually used M1 in a vehicle averaging over 30,000 miles a year (158,000 in 5 years to be exact) as opposed to jerking down some information gathered off the internet. I stand by my statement--based upon my actual use, I do not think that M1 can make 25,000 miles on an OCI. To further clarify, my miles were heavy towing and highway, which according to your post above are easy miles. Ergo, if M1 cannot make 25,000 miles on the highway, how in the world would it ever be able to do it in the city?
 
So you honestly believe that Amsoil WOULD have made 25,000 miles in your vehicle ?

In the test I brought to the discussion the Amsoil TBN was far more degraded than the M1, and the viscosity had thickened more.

Do you think that the TBN in your case would have been better on the Amsoil than the M1, facilitating 25,000 miles...if so, why ?
 
I would say that both oils have changed a lot since 2004. There's a lot more recent examples of what these oils can and cannot do.
 
Originally Posted By: Shannow
So you honestly believe that Amsoil WOULD have made 25,000 miles in your vehicle ?

In the test I brought to the discussion the Amsoil TBN was far more degraded than the M1, and the viscosity had thickened more.

Do you think that the TBN in your case would have been better on the Amsoil than the M1, facilitating 25,000 miles...if so, why ?
News flash--I have never used Amsoil motor oil and have no idea if it could make it 25K or not--you seem to be suggesting that I am somehow defending Amsoil, I am not.

I HAVE USED M1 and I am confident that it cannot go 25K miles on an OCI. In addition, you have snagged 15 year old data from the Internet. What do YOUR tests show? i.e. put your money where your mouth (or keyboard) is and perform your own tests and share your data.
 
Originally Posted By: 2015_PSD
I do not think that M1 can make 25,000 miles on an OCI. To further clarify, my miles were heavy towing and highway, which according to your post above are easy miles. Ergo, if M1 cannot make 25,000 miles on the highway, how in the world would it ever be able to do it in the city?

I would think that also has a lot to do with the specific engine design and condition. My old 1MZ-FE? No way I'd take that to 10,000 miles much less 25,000. But my 1NZ-FE? Perhaps, but only with a used oil analysis to check TBN and the other things you mentioned. But then I'm paying for that which is more than 5 quarts of new oil at Walmart.
 
amsoiL is overpriced and I am surprised it is still in business. who cares if in capitals or not.

It probably should be:

Am-So-Il ; broken down by capitals........Am So Il. As in I "Am So Ill" that I believe the hype and use AmSoIl.
 
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Originally Posted By: 93cruiser
amsoiL is overpriced and I am surprised it is still in business.

There are a lot a small oil brands out there, the local bro truck place near my house markets Klotz and Joe Gibbs oil. A race shop nearby sells Redline products. Another small gas station sells PennGrade, and another advertises Royal Purple. Somebody must be buying it all I suppose.
 
Originally Posted By: kschachn
But then I'm paying for that which is more than 5 quarts of new oil at Walmart.
Use WIX UOA kits from RockAuto--$9 each and includes TBN. Use a few until you have a trend and then save some money by extending (if it is possible).
 
Originally Posted By: kschachn
Originally Posted By: 93cruiser
amsoiL is overpriced and I am surprised it is still in business.

There are a lot a small oil brands out there, the local bro truck place near my house markets Klotz and Joe Gibbs oil. A race shop nearby sells Redline products. Another small gas station sells PennGrade, and another advertises Royal Purple. Somebody must be buying it all I suppose.


Hey I buy Klotz... For my 2 stroke RC car.
 
Originally Posted by beanoil
Originally Posted by Ifixyawata
My goodness, two replies and it's already as interesting as I'd hoped it would be.

It seems a little pretentious to make a company's name ALL CAPS unless this is an acronym of some type?


AMerican Synthetic OIL

It's still over rated, and over priced, caps or not.

Amsoil beats beanoil any day.
 
Then tell me why they don't market it as such. I've never seen a Mobil 1 product advertised for more than 20k. I've also heard of Amsoil actually backing up their products with their warranty. Some of the majors have ridiculous guarantees...Valvoline. Good for a laugh that one. Let's face it they make great oil. Yes they buy their base stocks elsewhere but they blend it better than just about everyone. Relatively small player but a good player none the less. American underdog, why the dislike? Aren't most of the majors foreigners. Where are the American patriots?
Originally Posted by Shannow
Originally Posted by 2015_PSD
Originally Posted by Shannow

https://www.brianschreurs.org/neptune.spacebears.com/cars/stories/amsoil.html
https://www.brianschreurs.org/neptune.spacebears.com/cars/stories/mobil1.html
??? Your point?


Back in the day, Mobil 1 was sold in Oz as a 40,000km oil (25k miles)...it never stopped being that, they stopped marketing that.

It's at least as good/equivalent as Amsoil in going 25k miles, and has been forever.




Never seen a Mobil 1 product advertising 25k. They would if they could, they can't so they won't. 20k is the most I've seen. AP. Yes they buy base stocks from Mobil but they blend them better.
 
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