[DeTomaso] ZF oil choice

[Pantdino]

RedLine 75-90 NS (synthetic)

I get mine on Amazon, usually with free shipping
 
Here's Les Gray's email from a while ago:
 


 
 
The Red Line oil NSdesignation means that in this particular oil there is NO 
additive added to reduce the clutch chatter in most limited slip differentials.
Normally this additive is a good thing and almost mandatory in cars like the 
Corvette which has a fairly high degree of limited slip lock up. 
     Our cars have a two issues with these extra slipperyadditives. Number 
one is our diff uses a rather low limited slip lock up so this extra slip 
actually decreases what little lock up we have. Number two is this additivewill 
inhibit our synchro rings ability to do its job and in extreme cases will burn 
up the synchro rings and the towers on the gears costing big bucks. 
    I've rebuilt ZF's since the late 1970's and have replaceddozens of synchro 
rings & gear sets due to the use of these additives. 
  As Jack DeRyke says "your mileage may vary" !!!!
    

Jim Oddie
 

 
 
-----Original Message-----
From: Panteratime via DeTomaso <detomaso at poca.com>
To: detomaso <detomaso at poca.com>
Sent: Sat, May 16, 2015 7:07 pm
Subject: [DeTomaso] ZF oil choice


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 --------------
   RedLine 75-90 NS (synthetic)



   I get mine on Amazon, usually with free shipping



   Here's Les Gray's email from a while ago:






   The Red Line oil NS designation means that in this particular oil there
   is NO
   additive added to reduce the clutch chatter in most limited slip
   differentials.
   Normally this additive is a good thing and almost mandatory in cars
   like the
   Corvette which has a fairly high degree of limited slip lock up.
        Our cars have a two issues with these extra slippery additives.
   Number
   one is our diff uses a rather low limited slip lock up so this extra
   slip
   actually decreases what little lock up we have. Number two is this
   additive will
   inhibit our synchro rings ability to do its job and in extreme cases
   will burn
   up the synchro rings and the towers on the gears costing big bucks.
       I've rebuilt ZF's since the late 1970's and have replaced dozens of
   synchro
   rings & gear sets due to the use of these additives.
     As Jack DeRyke says "your mileage may vary" !!!!

   Jim Oddie





   -----Original Message-----
   From: Panteratime via DeTomaso <detomaso at poca.com>
   To: detomaso <detomaso at poca.com>
   Sent: Sat, May 16, 2015 7:07 pm
   Subject: [DeTomaso] ZF oil choice
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

_______________________________________________

Detomaso Forum Managed by
POCA
Posted emails must not exceed 1.5 Megabytes
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[1]DeTomaso at poca.com
[2]http://poca.com/mailman/listinfo/detomaso_poca.com

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