[DeTomaso] new owner ZF education time

[MikeLDrew at aol.com]

In a message dated 8/12/07 12 28 49, 6d9gt500 at comcast.net writes:


> Hello all.. As with most new owners I am changing fluids.. I drained my ZF 
> and refilled with a 75W90 synth oil GL-5 for limited slip applications. Brand 
> name stuff..I am not getting any chattering.. no noise shifting..
> 
>>>FWIW, the manual calls for GL4 which is a very different animal from GL5.
> 
> Read tons of threads on 75W90 redline and 75w90NS.. I can't get NS locally 
> would have to order. Since I am not getting chatter.. and all seems fine.. My 
> clutches may be shot. and I really don't drive it
> to hard yet... so should I change the fluid to redline or let it be??
> 
>>>I wouldn't fear for your clutches--these gearboxes are strong!

I am no expert on the matter, but in researching this issue in the forum 
archives, it seems that the differences in characteristics between GL4 and GL5 are 
great enough that you should attempt to use the proper stuff.   To be honest 
I don't even know what is in my own car, although I *think* it's an oil that 
was marked as GL4/GL5.

Mike



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