From: C. E. White on

"Built_Well" <built_well_toyota(a)hotmail.com> wrote in message
news:470197eb$0$26504$88260bb3(a)free.teranews.com...
> Justa Lurker wrote:
>
>> Built_Well wrote:
>>> I'll probably stick with the stock, OEM air filter for the
>>> Camry, though I'll likely change out the stock oil filter for
>>> a Mobil 1 or Amsoil model--probably the Amsoil because the
>>> Mobil oil filter has rough threads, not as smooth as I had
>>> expected. ========
>>
>> Why do the threads make any difference as long as the filter screws
>> properly onto the engine ? Just put a couple drops of fresh oil on the
>> threads (and the rubber gasket ring) before you install it.
> ========
>
> In a test conducted a few years ago, the Amsoil filter "could hold 21
> grams of particulate matter. Comparable filters from Mobil 1 and Pure 1
> held 18 grams and 15 grams respectively. So, the AMSOIL filter held 17%
> more than the Mobil 1 and 40% more than the Pure 1. The AMSOIL also
> appears to have a little heavier construction."

If the test is more than a few years old, it is meaningless since Amsoil has
changed suppliers for their filters. I have pictures of the guts of an Ea011
Oil Filter (not for a Toyota) at
http://home.mindspring.com/~cewhite3nc/id3.html . Donaldson is the
manufacturer for the Amsoil Ea filter line.

> One nice thing about the stock OEM Toyota filter is the gasket comes
> pre-oiled, beneath a plastic cover. Some folks say the OEM Toyota
> filter is made by Purolator, which also makes the Pure 1 mentioned
> above. Fine filter. Like the OEM Toyota filter, the Mobil and
> Amsoil both have anti-drainback valves.

If this is for a 4 cylinder Toyota, the OEM filters are made by Denso. The
OE filter on the engine was probably made in Japan and is a very different
constrcution than any other filter I've ever seen. The replacement filters
are made in Thailand and aren't anything special. I think the PureOne Filter
is much better than the Thailand made Denso filters. See
http://home.earthlink.net/~cewhite3nc/id12.html for pictures of the guts (no
actual performance data).

Ed White


From: C. E. White on
Here is another interesting refernce to Toyota Oil Filters:

http://www.sandsmuseum.com/cars/elise/experience/maintenance/oilfilter.html

Ed White

"C. E. White" <cewhite3(a)mindspring.com> wrote in message
news:13g561ijl14g937(a)corp.supernews.com...
>
> "Built_Well" <built_well_toyota(a)hotmail.com> wrote in message
> news:470197eb$0$26504$88260bb3(a)free.teranews.com...
>> Justa Lurker wrote:
>>
>>> Built_Well wrote:
>>>> I'll probably stick with the stock, OEM air filter for the
>>>> Camry, though I'll likely change out the stock oil filter for
>>>> a Mobil 1 or Amsoil model--probably the Amsoil because the
>>>> Mobil oil filter has rough threads, not as smooth as I had
>>>> expected. ========
>>>
>>> Why do the threads make any difference as long as the filter screws
>>> properly onto the engine ? Just put a couple drops of fresh oil on the
>>> threads (and the rubber gasket ring) before you install it.
>> ========
>>
>> In a test conducted a few years ago, the Amsoil filter "could hold 21
>> grams of particulate matter. Comparable filters from Mobil 1 and Pure 1
>> held 18 grams and 15 grams respectively. So, the AMSOIL filter held 17%
>> more than the Mobil 1 and 40% more than the Pure 1. The AMSOIL also
>> appears to have a little heavier construction."
>
> If the test is more than a few years old, it is meaningless since Amsoil
> has changed suppliers for their filters. I have pictures of the guts of an
> Ea011 Oil Filter (not for a Toyota) at
> http://home.mindspring.com/~cewhite3nc/id3.html . Donaldson is the
> manufacturer for the Amsoil Ea filter line.
>
>> One nice thing about the stock OEM Toyota filter is the gasket comes
>> pre-oiled, beneath a plastic cover. Some folks say the OEM Toyota
>> filter is made by Purolator, which also makes the Pure 1 mentioned
>> above. Fine filter. Like the OEM Toyota filter, the Mobil and
>> Amsoil both have anti-drainback valves.
>
> If this is for a 4 cylinder Toyota, the OEM filters are made by Denso. The
> OE filter on the engine was probably made in Japan and is a very different
> constrcution than any other filter I've ever seen. The replacement filters
> are made in Thailand and aren't anything special. I think the PureOne
> Filter is much better than the Thailand made Denso filters. See
> http://home.earthlink.net/~cewhite3nc/id12.html for pictures of the guts
> (no actual performance data).
>
> Ed White
>


From: Built_Well on

C. E. White wrote:
> Thailand made Denso filters.
========

Most of the parts under my 'yota's hood have
Denso on them. Denso must have some American
factories, too, because I stopped by the dealership
today to get a look at the OEM air filter they sell. The
packaging had Toyota on it and the air filter had
"Denso" written on it and "Made in the U.S.A."

But I don't doubt that the Denso *oil* filters are
made in Thailand, as you mentioned.

I'll have to keep what you said in mind about their
quality and consider buying the Purolator or the
Amsoil oil filter in place of the OEM.

I probably will stick with the OEM filter for this next
oil change, because I'm dumping the Mobil 1 and replacing
it with Pennzoil Platinum, which shows less engine wear
metals like iron and lead in UOAs. I'm only going to change
one factor at a time--the only good way to make meaningful
comparisons.

But the OEM oil filter's days are numbered, I think.

--
Posted via a free Usenet account from http://www.teranews.com

From: ACAR on
On Oct 2, 7:30 am, Built_Well <built_well_toy...(a)hotmail.com> wrote:
> ACAR wrote:
> > My 1998 Sienna has 201,000 miles on it....Engine burns about half a
> > quart of oil between oil changes (that average about 8000 miles) and the
> > car delivers within 1 mpg of the best it ever did.
>
> ========
>
> ACAR, that's quite a good record, over 200,000 miles. Have you
> ever felt the need to use Techron Concentrate Plus in the gas tank?
>
> --
> Posted via a free Usenet account fromhttp://www.teranews.com

Not since the advent of Top Tier Gasolines.



From: C. E. White on

"Built_Well" <built_well_toyota(a)hotmail.com> wrote in message
news:4702be07$0$26469$88260bb3(a)free.teranews.com...
>
> C. E. White wrote:
> > Thailand made Denso filters.
> ========
>
> Most of the parts under my 'yota's hood have
> Denso on them. Denso must have some American
> factories, too, because I stopped by the dealership
> today to get a look at the OEM air filter they sell. The
> packaging had Toyota on it and the air filter had
> "Denso" written on it and "Made in the U.S.A."

Toyota owns a big chunk (23% or so) of Nippondenso (aka Denso)
directly, and indirectly owns more through other companies it
controls. Roughly 50% of Denso's sales are to Toyota. Honda is Denso's
second largest Customer, but at 7.5% of Denso's volume, they are not
exactly a major Customer.

Denso has quite a few manufacturing plants in the US (and more in
Canada and Mexico). Air and oil filters are manufactured at a plant in
Tennessee plant owned by a joint venture between Denso and Toyota
Boshoku (another Toyota affiliate) The company is TBDN Tennessee
Company. It manufactures air cleaners and oil filters. See -
http://www.tbdn.com/products.shtml . The oil filters I have bought for
my SO's RAV4 are labeled either made in Japan (the good ones) or made
in Thailand (the less good ones).

> But I don't doubt that the Denso *oil* filters are
> made in Thailand, as you mentioned.
>
> I'll have to keep what you said in mind about their
> quality and consider buying the Purolator or the
> Amsoil oil filter in place of the OEM.
>
> I probably will stick with the OEM filter for this next
> oil change, because I'm dumping the Mobil 1 and replacing
> it with Pennzoil Platinum, which shows less engine wear
> metals like iron and lead in UOAs. I'm only going to change
> one factor at a time--the only good way to make meaningful
> comparisons.
>
> But the OEM oil filter's days are numbered, I think.

I like the OE Toyota filters (made in Japan, P/N 90915-10004) and
would keep using them if I can find them. I am not impressed with the
Toyota replacement style filters (made in Thailand, P/N 90915-YZZF1).
I prefer the Purolater PL14477 Filter over the 90915-YZZF1 Filter.

Ed White


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