[DeTomaso] ZF gear oil

Sat Apr 12 02:42:55 EDT 2014

Pantdino skrev 2014-04-12 08:14:
>     I think Mike misspoke / miswrote
>
>
>
>     Most gear oil is GL5 and it is GL4 that is hard to find
>
>
>
>     But the best oil for the ZF is Red Line 75W90NS--- the NS signifying
>     "not so slippery" I presume.
>
>     ANY oil that says it is OK to use in a limited slip diff will be TOO
>     slippery for proper synchro function and will predispose to early
>     synchro wear.
>
>
>
>     GL4 oil is better for "yellow metal" gears but this is a fairly minor
>     consideration in comparison to better lubrication for the diff portion
>     of the ZF provided by the GL5 Red Line 75W90NS

And there is no "yellow metal" in our ZF:s, right? So GL5 would be 
appropriate, just as the owners manual says.

That said, I have always used Shell Getriebeöl, which is a fully 
synthetic GL4, but will now switch to some GL5. Might even try this RL 
oil. :)

Thomas

>
>
>
>     At least this was the conclusion reached by the ferrarichat group for
>     use in "brand F" transaxles.
>
>
>
>     Jim Oddie
>
>     -----Original Message-----
>     From: Corey Price <coreyjprice at gmail.com>
>     To: MikeLDrew <MikeLDrew at aol.com>
>     Cc: De Tomaso List <detomaso at poca.com>
>     Sent: Fri, Apr 11, 2014 9:03 pm
>     Subject: Re: [DeTomaso] ZF gear oil
> Mike,
>
> I thought GL-4 was the recommended oil, per Lloyd's website "FAQ" section.  Did
> I miss something?
>
> Corey
>
>
>
>> On Apr 11, 2014, at 9:41 PM, [1]MikeLDrew at aol.com wrote:
>>
>>    In a message dated 4/11/14 12 32 13, [2]cwhamm at frontier.com writes:
>>
>>      Also what is the best gear oil for
>>      my ZF transaxle?
>>
>>>>> This is a very important question.  I think there is a tendancy
>>    among many people to just grab any old gear oil and throw it in there,
>>    but the nature of a transaxle demands that one pays very close
>>    attention to the manufacturer's recommendations.  All gear oils are NOT
>>    created equal!
>>    In this case, the first thing to do is RTFM.
>>    The manual specifically calls for SAE 80, AP GL5
>>    (SAE 90 in Europe).
>>    7 1/2 pints of the stuff.
>>    While it is very easy to find SAE 80-90 gear oil, it is surprisingly
>>    difficult to find *GL5* gear oil, and that's the important part.  GL5
>>    oil has specific characteristics designed to work with the types of
>>    synchros that our gearboxes have, which are different from most other
>>    gearboxes, and definitely different from a typical differential/rear
>>    axle.
>>    If you go to most auto parts stores, there will be lots of gear oil on
>>    the shelf but none of it will be GL5.  The only place I have reliably
>>    found GL5 is NAPA auto parts; it is made by Sta-Lube/CRC.
>>    Here is the exact link to what you should buy:
>>    [3]http://www.crcindustries.com/ei/product_detail.aspx?id=SL2473
>>    It is normally sold in pints or gallons; since you need 7.5 pints and
>>    there are 8 pints in a gallon, obviously it is to your advantage to buy
>>    a gallon jug.  My local NAPA store used to carry them, but I just had
>>    to order a jug a couple of weeks ago as they only have pints now.
>>    While you're at it,  you might as well buy a gear oil pump, also by
>>    Sta-Lube:
>>    [4]http://www.crcindustries.com/ei/product_detail.aspx?id=SL4344
>>    Harbor Freight has a better picture of it:
>>    [5]http://www.harborfreight.com/sta-lube-gear-fluid-oil-pump-40714.html
>>    Using this pump has transformed my life.  Normally filling a ZF gearbox
>>    is a painful experience involving a lot of spilled gear oil and
>>    profanity.  This turns it into a breeze.  Just put the end of the hose
>>    in the side of the gearbox (where it's cleverly retained), and start
>>    pumping until you feel silly.  When oil starts drooling out the side,
>>    you're done.  Let it sit for a few minutes, give a few more pumps just
>>    to be sure, then you're really done.
>>    Mike (going to change my gearbox oil tomorrow as a matter of fact....)
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> References
>
>     1. mailto:MikeLDrew at aol.com
>     2. mailto:cwhamm at frontier.com
>     3. http://www.crcindustries.com/ei/product_detail.aspx?id=SL2473
>     4. http://www.crcindustries.com/ei/product_detail.aspx?id=SL4344
>     5. http://www.harborfreight.com/sta-lube-gear-fluid-oil-pump-40714.html
>     6. mailto:DeTomaso at poca.com
>     7. http://poca.com/mailman/listinfo/detomaso_poca.com
>     8. mailto:DeTomaso at poca.com
>     9. http://poca.com/mailman/listinfo/detomaso_poca.com
>
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