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  #1 (permalink)  
Old 18 Mar 2005, 01:29 am
Eric
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Default Honda MTF

What weight grade is Honda's manual transmission fluid? Two different
dealer parts departments that I spoke with did not have an answer. I was
also wondering if anyone knows who manufactures this oil for Honda? Is
there an equivalent non-Honda lubricant, i.e., same specs, same
manufacturer, but different label? I have also read that Honda's fluid is
better than regular 10w/30 since it has a higher zinc content but the
dealer's parts department could not confirm this. It would be great if
someone could post some definitive information.

Thanks, Eric
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  #2 (permalink)  
Old 18 Mar 2005, 08:02 am
TeGGer®
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Default Re: Honda MTF

Eric <say.no@spam.now> wrote in news:423A8345.B8256874@spam.now:

> What weight grade is Honda's manual transmission fluid? Two different
> dealer parts departments that I spoke with did not have an answer.



Gear oils are graded using a different system than engine oils, so the
numbers are not correlative. A 20w weight engine oil has about the same
relative viscosity as a GL70w trans oil.
http://www.cloverleaf-auto.com/oils.htm

Honda MTL pours a lot like a straight 30-weight engine oil at room
temperature, and Honda originally specified 10W-30 motor oil before
sulphur-phosphorus and zinc were removed, so my guess it's still equivalent
to a 10W-30 engine oil.


> I
> was also wondering if anyone knows who manufactures this oil for
> Honda?



Might be Exxon Mobil. This stuff may be it:
http://tinyurl.com/6ox6n

Unless you're an insider, you'll never know for sure. Just like you'd never
know that Canadian-market Acura MDX seats are made by Faurecia and Civic
interior trim is made by Kumi Canada unless I told you so.


> Is there an equivalent non-Honda lubricant, i.e., same specs,
> same manufacturer, but different label?




Consult your friendly local tribologist. Don't know one? Neither do I.

Considering how cheap the stuff is compared to what else you spend on your
car every year, I just buy it from the dealer.



> I have also read that Honda's
> fluid is better than regular 10w/30 since it has a higher zinc content



There are a number of anti-wear additives, not just zinc dithiophosphate.



--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
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  #3 (permalink)  
Old 19 Mar 2005, 02:42 am
Eric
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Default Re: Honda MTF

"TeGGer®" wrote:
>
> Eric <say.no@spam.now> wrote in news:423A8345.B8256874@spam.now:
>
> > What weight grade is Honda's manual transmission fluid? Two different
> > dealer parts departments that I spoke with did not have an answer.

>
> Gear oils are graded using a different system than engine oils, so the
> numbers are not correlative. A 20w weight engine oil has about the same
> relative viscosity as a GL70w trans oil.
> http://www.cloverleaf-auto.com/oils.htm
>
> Honda MTL pours a lot like a straight 30-weight engine oil at room
> temperature, and Honda originally specified 10W-30 motor oil before
> sulphur-phosphorus and zinc were removed, so my guess it's still
> equivalent to a 10W-30 engine oil.
>
> > I was also wondering if anyone knows who manufactures this oil for
> > Honda?

>
> Might be Exxon Mobil. This stuff may be it:
> http://tinyurl.com/6ox6n
>
> Unless you're an insider, you'll never know for sure. Just like you'd
> never know that Canadian-market Acura MDX seats are made by Faurecia and
> Civic interior trim is made by Kumi Canada unless I told you so.
>
> > Is there an equivalent non-Honda lubricant, i.e., same specs,
> > same manufacturer, but different label?

>
> Consult your friendly local tribologist. Don't know one? Neither do I.
>
> Considering how cheap the stuff is compared to what else you spend on your
> car every year, I just buy it from the dealer.
>
> > I have also read that Honda's fluid is better than regular 10w/30
> > since it has a higher zinc content

>
> There are a number of anti-wear additives, not just zinc dithiophosphate.
>
> --
> TeGGeR®


Thanks for the info!

Eric
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  #4 (permalink)  
Old 19 Mar 2005, 02:53 am
Eric
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Default Re: Honda MTF

"TeGGer®" wrote:
> > I was also wondering if anyone knows who manufactures this oil for
> > Honda?

>
> Might be Exxon Mobil. This stuff may be it:
> http://tinyurl.com/6ox6n


Unless it comes in a lighter grade, then this product is not a likely
candidate as putting 80w-90 in a Honda manual tranny will kill it.

Eric
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  #5 (permalink)  
Old 19 Mar 2005, 05:36 am
Steve Bigelow
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Default Re: Honda MTF


"Eric" <say.no@spam.now> wrote in message news:423BE872.196239C7@spam.now...
> "TeGGer®" wrote:
>> > I was also wondering if anyone knows who manufactures this oil for
>> > Honda?

>>
>> Might be Exxon Mobil. This stuff may be it:
>> http://tinyurl.com/6ox6n

>
> Unless it comes in a lighter grade, then this product is not a likely
> candidate as putting 80w-90 in a Honda manual tranny will kill it.


That's sounds a lot like you don't understand gear oil weight rating.

What weight would you recommend?


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  #6 (permalink)  
Old 19 Mar 2005, 07:31 am
TeGGer®
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Default Re: Honda MTF

Eric <say.no@spam.now> wrote in news:423BE872.196239C7@spam.now:

> "TeGGer®" wrote:
>> > I was also wondering if anyone knows who manufactures this oil for
>> > Honda?

>>
>> Might be Exxon Mobil. This stuff may be it:
>> http://tinyurl.com/6ox6n

>
> Unless it comes in a lighter grade, then this product is not a likely
> candidate as putting 80w-90 in a Honda manual tranny will kill it.
>



I read that gear oil numbers are not equivalent to engine oil numbers. That
stuff may be the same viscosity as 10W-30 engine oil.

--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
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  #7 (permalink)  
Old 19 Mar 2005, 07:47 am
Michael Pardee
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Default Re: Honda MTF

"TeGGer®" <tegger@istop.c0m> wrote in message
news:Xns961E567D3736Etegger@207.14.113.17...
> Eric <say.no@spam.now> wrote in news:423BE872.196239C7@spam.now:
>
>> "TeGGer®" wrote:
>>> > I was also wondering if anyone knows who manufactures this oil for
>>> > Honda?
>>>
>>> Might be Exxon Mobil. This stuff may be it:
>>> http://tinyurl.com/6ox6n

>>
>> Unless it comes in a lighter grade, then this product is not a likely
>> candidate as putting 80w-90 in a Honda manual tranny will kill it.
>>

>
>
> I read that gear oil numbers are not equivalent to engine oil numbers.
> That
> stuff may be the same viscosity as 10W-30 engine oil.
>

I'm not sure. 90W hypoid oil (that nasty sulfurous-smelling stuff) is a lot
heavier than any motor oil. Beyond that, I don't know.

Mike


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  #8 (permalink)  
Old 19 Mar 2005, 08:40 am
TeGGer®
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Posts: n/a
Default Re: Honda MTF

"Michael Pardee" <michaeltnull@cybertrails.com> wrote in
news:mqCdnYc7QeQMsKHfRVn-tg@sedona.net:

> "TeGGer®" <tegger@istop.c0m> wrote in message
> news:Xns961E567D3736Etegger@207.14.113.17...
>> Eric <say.no@spam.now> wrote in news:423BE872.196239C7@spam.now:
>>
>>> "TeGGer®" wrote:
>>>> > I was also wondering if anyone knows who manufactures this oil
>>>> > for Honda?
>>>>
>>>> Might be Exxon Mobil. This stuff may be it:
>>>> http://tinyurl.com/6ox6n
>>>
>>> Unless it comes in a lighter grade, then this product is not a
>>> likely candidate as putting 80w-90 in a Honda manual tranny will
>>> kill it.
>>>

>>
>>
>> I read that gear oil numbers are not equivalent to engine oil
>> numbers. That
>> stuff may be the same viscosity as 10W-30 engine oil.
>>

> I'm not sure. 90W hypoid oil (that nasty sulfurous-smelling stuff) is
> a lot heavier than any motor oil. Beyond that, I don't know.
>




I don't think you can compare EP (Extreme Pressure) oils with ordinary
oils.


Doin' some diggin' here...
http://www.lotuselancentral.com/trannyoil.htm
http://www.redlineoil.co.uk/products/products.htm
http://www.spectro-oils.com/gadata.htm
http://www.greerracing.com/index.php


Gear oil numbers ARE different. From the Lotus link:
"75W90 gear oil has the same weight and viscosity properties as 5W30 motor
oil".


--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
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  #9 (permalink)  
Old 19 Mar 2005, 11:43 am
motsco_ _
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Posts: n/a
Default Re: Honda MTF

Eric wrote:
> What weight grade is Honda's manual transmission fluid? Two different
> dealer parts departments that I spoke with did not have an answer. I was
> also wondering if anyone knows who manufactures this oil for Honda? Is
> there an equivalent non-Honda lubricant, i.e., same specs, same
> manufacturer, but different label? I have also read that Honda's fluid is
> better than regular 10w/30 since it has a higher zinc content but the
> dealer's parts department could not confirm this. It would be great if
> someone could post some definitive information.
>
> Thanks, Eric


----------------------

Who needs to save a few bucks? It doesn't take five quarts does it? For
the difference a quart or two might cost, at least you'll know that the
Honda stuff has all the best additives that a Honda tranny needs. If we
can judge by the (terrible) results people get when they try using
'alternative' tranny fluids in their Honda automatics, it's just NOT
WORTH IT TO CHEAT. Cut back on coffee, spend the difference on your
tranny MTF. :-)

You were probably going to substitute something that was even more
expensive, no?

'Curly'

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  #10 (permalink)  
Old 20 Mar 2005, 07:33 am
Michael Pardee
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Posts: n/a
Default Re: Honda MTF

"TeGGer®" <tegger@istop.c0m> wrote in message
news:Xns961E6248EE479tegger@207.14.113.17...
>
> I don't think you can compare EP (Extreme Pressure) oils with ordinary
> oils.
>
>
> Doin' some diggin' here...
> http://www.lotuselancentral.com/trannyoil.htm
> http://www.redlineoil.co.uk/products/products.htm
> http://www.spectro-oils.com/gadata.htm
> http://www.greerracing.com/index.php
>
>
> Gear oil numbers ARE different. From the Lotus link:
> "75W90 gear oil has the same weight and viscosity properties as 5W30 motor
> oil".
>

and from the Greer Racing link, "engine oil and gear oil have their own
specific viscosity rating system. As such, the viscosity of 75-weight gear
oil is equivalent to 10-15-weight engine oil."

Huh. Could be just working with the smelly stuff made me think it was thick
and gooey. All oil really gets everywhere if you let it, and the awkward
angles for adding gear lube make it messy.

I did find this link for how motor oil viscosity is measured, for the
curious
http://www.type2.com/library/mainten/oilw.htm
but so far nothing on how EP oils are measured.

(The Lotus Elan site reminded me of my youth when I had a Lotus Europa. Did
you see that improvised tool picture?)

Mike


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