synthetic gear oil

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Old 18 Nov 2012, 07:00 pm   #1 (permalink)
Scribe
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Default synthetic gear oil

I was reading that Mobil 1 gear oil for manual boxes is well worth using for
obvious reasons. On zero degree start up the gear engage nicely as the oil
is not thick at those temperatures.

Also I read this oil can left in the gearbox for ever without changing. Is
that true?

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Old 18 Nov 2012, 07:40 pm   #2 (permalink)
hachiroku
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Default Re: synthetic gear oil

On Mon, 19 Nov 2012 00:00:05 +0000, Scribe wrote:

> I was reading that Mobil 1 gear oil for manual boxes is well worth using for
> obvious reasons. On zero degree start up the gear engage nicely as the oil
> is not thick at those temperatures.
>
> Also I read this oil can left in the gearbox for ever without changing. Is
> that true?


On a lot of cars out there now I don't know how you're going to get it in
there.

They're sealed.

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Old 18 Nov 2012, 10:27 pm   #3 (permalink)
homepc
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Default Re: synthetic gear oil

On 18/11/2012 6:40 PM, hachiroku wrote:
> On Mon, 19 Nov 2012 00:00:05 +0000, Scribe wrote:
>
>> I was reading that Mobil 1 gear oil for manual boxes is well worth using for
>> obvious reasons. On zero degree start up the gear engage nicely as the oil
>> is not thick at those temperatures.
>>
>> Also I read this oil can left in the gearbox for ever without changing. Is
>> that true?

>
> On a lot of cars out there now I don't know how you're going to get it in
> there.
>
> They're sealed.
>

I used Amsoil synthetic gear oil for my 2007 Corolla 5 speed manual.
There was a noticeable difference in shifting.
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Old 19 Nov 2012, 04:12 am   #4 (permalink)
Scribe
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Default Re: synthetic gear oil


"homepc" <wiebe008@gmail.com> wrote in message
news:k8c8ud$1on$1@dont-email.me...
> On 18/11/2012 6:40 PM, hachiroku wrote:
>> On Mon, 19 Nov 2012 00:00:05 +0000, Scribe wrote:
>>
>>> I was reading that Mobil 1 gear oil for manual boxes is well worth using
>>> for
>>> obvious reasons. On zero degree start up the gear engage nicely as the
>>> oil
>>> is not thick at those temperatures.
>>>
>>> Also I read this oil can left in the gearbox for ever without changing.
>>> Is
>>> that true?

>>
>> On a lot of cars out there now I don't know how you're going to get it in
>> there.
>>
>> They're sealed.


Mine is not. I think ever 27,000 miles they state an oil change using the
normal mineral oil.

> I used Amsoil synthetic gear oil for my 2007 Corolla 5 speed manual.
> There was a noticeable difference in shifting.


A smoother shift? faster shift?

Can Amsoil or Mobil 1 be left in the gearbox for ever? Or do you still, need
to drain it at intervals? The car is out of warranty so no problem in that
respect.

Surely it is cost effective, beside the advantages of a fully synthetic gear
oil, to put it in for the life of the car. Then no worries about ever
changing gear oil.

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Old 19 Nov 2012, 12:08 pm   #5 (permalink)
homepc
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Default Re: synthetic gear oil


> A smoother shift? faster shift?
>
> Can Amsoil or Mobil 1 be left in the gearbox for ever? Or do you still,
> need to drain it at intervals? The car is out of warranty so no problem
> in that respect.
>
> Surely it is cost effective, beside the advantages of a fully synthetic
> gear oil, to put it in for the life of the car. Then no worries about
> ever changing gear oil.




The shifting was smoother than before the change, less resistance. You
would still need to change the transmission gear oil as directed by the
scheduled maintenance guide for the vehicle.

I found a reliable transmission clinic in my city that sold the exact
grade Amsoil product that was compatible to my model Corolla
transmission. My Toyota dealer gave me a credit for the gear oil cost
when they did the work for me.

I bought the gear oil in the fall and kept it in my trunk before the
transmission service was done. On the coldest winter days (<-25CE), the
oil remained very fluid in the container.

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Old 19 Nov 2012, 03:17 pm   #6 (permalink)
Brian Gordon
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Default Re: synthetic gear oil

In article <k8dp34$4kd$1@dont-email.me>, homepc <nospam@gmail.com> wrote:
>
>> A smoother shift? faster shift?
>>
>> Can Amsoil or Mobil 1 be left in the gearbox for ever? Or do you still,
>> need to drain it at intervals? The car is out of warranty so no problem
>> in that respect.
>>
>> Surely it is cost effective, beside the advantages of a fully synthetic
>> gear oil, to put it in for the life of the car. Then no worries about
>> ever changing gear oil.

>
>
>
>The shifting was smoother than before the change, less resistance. You
>would still need to change the transmission gear oil as directed by the
>scheduled maintenance guide for the vehicle.
>
>I found a reliable transmission clinic in my city that sold the exact
>grade Amsoil product that was compatible to my model Corolla
>transmission. My Toyota dealer gave me a credit for the gear oil cost
>when they did the work for me.
>
>I bought the gear oil in the fall and kept it in my trunk before the
>transmission service was done. On the coldest winter days (<-25CE), the
>oil remained very fluid in the container.
>


Remember that, in general, Amsoil products are not ASE certified, and could void
whatever warranty you have on the lubricated parts.

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| Brian Gordon -->briang@panix.com<-- brian dot gordon at cox dot net |
+ brianggordon@hotmail.com Bass: Lexington "Main Street Harmonizers" chorus +
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Old 20 Nov 2012, 09:48 am   #7 (permalink)
Scribe
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Default Re: synthetic gear oil

homepc wrote:
>> A smoother shift? faster shift?
>>
>> Can Amsoil or Mobil 1 be left in the gearbox for ever? Or do you
>> still, need to drain it at intervals? The car is out of warranty so
>> no problem in that respect.
>>
>> Surely it is cost effective, beside the advantages of a fully
>> synthetic gear oil, to put it in for the life of the car. Then no
>> worries about ever changing gear oil.

>
> The shifting was smoother than before the change, less resistance. You
> would still need to change the transmission gear oil as directed
> by the scheduled maintenance guide for the vehicle.
>
> I found a reliable transmission clinic in my city that sold the exact
> grade Amsoil product that was compatible to my model Corolla
> transmission. My Toyota dealer gave me a credit for the gear oil cost
> when they did the work for me.
>
> I bought the gear oil in the fall and kept it in my trunk before the
> transmission service was done. On the coldest winter days (<-25CE),
> the oil remained very fluid in the container.


Castrol make Castrol Syntrans Multivehicle 75W-90 fully synthetic gear oil:
http://www.halfords.com/webapp/wcs/s...Id_255220#tab3

It clearly makes shifting easier and easier in very cold starts by the
comments. It must be available in the US/Canada. I it is assume much
cheaper than Amsoil. Although Amsoil is 100% synthetic while Castrol
clearly will have a mineral oil base. 100% synthetics last far longer than
oil with a mineral oil base (which are called fully synthetics).

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