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Next: Some details of the 2AZ-FE engine
From: Just Me on 14 Jul 2008 21:10

"Mark A" <nobody(a)nowhere.com> wrote in message
news:yCSek.1286$jT6.905(a)bignews5.bellsouth.net...
> "Just Me" <JustMe(a)nowhere.net> wrote in message
> news:L-GdnUhv4fwVbObVnZ2dnUVZ_jKdnZ2d(a)comcast.com...
>> I've heard this mentioned before but then it makes me wonder why
>> Corvette's, BMW's, etc. come stock with synthetic. Anyway, thanks for
>> the response!
>
> The fact is that when they first made synthetic factory fill in the
> Corvette they did had problems with piston ring seating. I am not sure
> what they did to fix it, but obviously if synthetic is factory fill then
> it is OK.
>
> I can tell you from my own experience that I switched to Mobil 1 synthetic
> on my 1998 Camry V6 at 5K miles and now I have a problem. The engine is so
> smooth after more than 10 years that I can't find any justification to buy
> a new car.
Wow Mark. That is a problem. Sucks to be you (grin). If you want, start
putting away about $450/month and pretend that you're making car payments.

From: Just Me on 15 Jul 2008 20:30
Spoke to my buddy today. He said he went back to the dealer and asked
someone in service about this and they said, "sure you can use synthetics.
Whoever told you you can't doesn't know what they're talking about."
Mystery solved.


"Just Me" <JustMe(a)nowhere.net> wrote in message
news:56SdnZ2N47EjdubVnZ2dnUVZ_o_inZ2d(a)comcast.com...
>A guy I work with just bought an '08 Toyota Tacoma, extended cab, 4x4,
>auto, etc. He said that the "dealership" told him that if he switches to
>Mobil 1 or any synthetic oil, that it will void his warranty. Sounds like
>total BS to me but thought I would toss this out to the experts before I
>begin surfing for other answers. Thanks and I appreciate your feedback.
>
> Rosscoe

From: Mark A on 15 Jul 2008 21:06
"Just Me" <JustMe(a)nowhere.net> wrote in message
news:94idnRT19Pes3ODVnZ2dnUVZ_t7inZ2d(a)comcast.com...
> Wow Mark. That is a problem. Sucks to be you (grin). If you want, start
> putting away about $450/month and pretend that you're making car payments.

I don't finance cars. The last time I did that was when interest payments on
consumer debt was still tax deductable (like home mortgage interest is
today). As the deduction was repealed (circa 1987) I paid off my existing
loan and have paid cash for cars ever since.


From: Mark A on 15 Jul 2008 21:12
"Gary L. Burnore" <gburnore(a)databasix.com> wrote in message
news:g5jfu3$stc$3(a)blackhelicopter.databasix.com...
> On Tue, 15 Jul 2008 20:30:37 -0400, "Just Me" <JustMe(a)nowhere.net>
> wrote:
>
>>Spoke to my buddy today. He said he went back to the dealer and asked
>>someone in service about this and they said, "sure you can use synthetics.
>>Whoever told you you can't doesn't know what they're talking about."
>>Mystery solved.
>
> Indeed. It's also a falacy that you need to wait to use it. "Waiting
> for your engine to wear"? Feh.

I agree that waiting 10K miles may be unnecessary, but it is not a fallacy
that some break-in with conventional oil is a good idea:
http://www.ntnoa.org/enginebreakin.htm

There are plenty of other links to support this.

For engines that use synthetic as factory fill, the manufacturer may well be
using a different machining procedure on the piston rings and cylinder
walls. Nevertheless, I can tell you from experience that waiting 5K miles
before switching will not loose the long term benefits of synthetic oil.


From: Retired VIP on 15 Jul 2008 23:00
On Tue, 15 Jul 2008 21:12:51 -0400, "Mark A" <nobody(a)nowhere.com>
wrote:

>"Gary L. Burnore" <gburnore(a)databasix.com> wrote in message
>news:g5jfu3$stc$3(a)blackhelicopter.databasix.com...
>> On Tue, 15 Jul 2008 20:30:37 -0400, "Just Me" <JustMe(a)nowhere.net>
>> wrote:
>>
>>>Spoke to my buddy today. He said he went back to the dealer and asked
>>>someone in service about this and they said, "sure you can use synthetics.
>>>Whoever told you you can't doesn't know what they're talking about."
>>>Mystery solved.
>>
>> Indeed. It's also a falacy that you need to wait to use it. "Waiting
>> for your engine to wear"? Feh.
>
>I agree that waiting 10K miles may be unnecessary, but it is not a fallacy
>that some break-in with conventional oil is a good idea:
>http://www.ntnoa.org/enginebreakin.htm
>
>There are plenty of other links to support this.
>
>For engines that use synthetic as factory fill, the manufacturer may well be
>using a different machining procedure on the piston rings and cylinder
>walls. Nevertheless, I can tell you from experience that waiting 5K miles
>before switching will not loose the long term benefits of synthetic oil.
>

Synthetic oil won't stop engine wear. Under normal conditions,
synthetic oil won't even reduce wear by very much. What it will do is
remain liquid at colder temperature than conventional oils. It also
won't boil off as easily as conventional oils. So you don't have to
wait for your engine to wear before you use synthetic oils. There's
no great advantage to using them but go ahead and use them if you like
to spend money.

Jack
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Next: Some details of the 2AZ-FE engine