[DeTomaso] ZF oil choice

[Ed Mendez]

Castrol non synthetic 80W90 Hypoy Gear Oil is rated API GL-5 LS which has friction modifying additives and supposed to be recommended by RBT.

Although, I understand it depends whether you have brass or cast iron synchros. If you have the brass synchos then I think you have to use the Redline 75/90 NS?

Ed


> On May 16, 2015, at 23:40, Pantdino <pantdino at aol.com> wrote:
> 
> "75-90 conventional don't recommend synth in the ZF".
>  
> Sorry Ed, but I think that's nonsense.
>  
> IF you do use dinosaur oil, it should probably be GL-4 (NOT GL-4 -GL-5) and not have any limited slip additive.  GL-5 oil has sulfur additives that harm yellow metals like brass, which trannies / synchro rings have.
>  
>  
> Jim
>  
>  
>  
> -----Original Message-----
> From: Ed Mendez <edducati at mac.com>
> To: Panteratime <panteratime at aol.com>
> Cc: detomaso <detomaso at poca.com>
> Sent: Sat, May 16, 2015 7:43 pm
> Subject: Re: [DeTomaso] ZF oil choice
> 
> 75-90 conventional don't recommend synth in the ZF.
> 
> Ed 
> 
> Sent from my
> iPhone 6 Plus
> 
> > On May 16, 2015, at 19:07, Panteratime via DeTomaso
> <detomaso at poca.com <mailto:detomaso at poca.com>> wrote:
> > 
> >   Folks,
> > 
> >   Last time I changed ZF oil I
> used Mobil 1 75-90.   Synthetic.    Should
> >   I still use that or better to go
> with conventional oil?
> >   recommendations?  thanks
> >
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-------------- next part --------------
   Castrol non synthetic 80W90 Hypoy Gear Oil is rated API GL-5 LS which
   has friction modifying additives and supposed to be recommended by RBT.

   Although, I understand it depends whether you have brass or cast
   iron synchros. If you have the brass synchos then I think you have to
   use the Redline 75/90 NS?
   Ed

   On May 16, 2015, at 23:40, Pantdino <[1]pantdino at aol.com> wrote:

   "75-90 conventional don't recommend synth in the ZF".

   Sorry Ed, but I think that's nonsense.

   IF you do use dinosaur oil, it should probably be GL-4 (NOT GL-4 -GL-5)
   and not have any limited slip additive.  GL-5 oil has sulfur additives
   that harm yellow metals like brass, which trannies / synchro
   rings have.


   Jim



   -----Original Message-----
   From: Ed Mendez <[2]edducati at mac.com>
   To: Panteratime <[3]panteratime at aol.com>
   Cc: detomaso <[4]detomaso at poca.com>
   Sent: Sat, May 16, 2015 7:43 pm
   Subject: Re: [DeTomaso] ZF oil choice
75-90 conventional don't recommend synth in the ZF.

Ed

Sent from my
iPhone 6 Plus

> On May 16, 2015, at 19:07, Panteratime via DeTomaso
<[5]detomaso at poca.com> wrote:
>
>   Folks,
>
>   Last time I changed ZF oil I
used Mobil 1 75-90.   Synthetic.    Should
>   I still use that or better to go
with conventional oil?
>   recommendations?  thanks
>
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>
> Detomaso Forum Managed by
POCA
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>
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