[DeTomaso] Attaching ZF Vent tube

Mike Drew MikeLDrew at aol.com
Tue Sep 26 16:33:52 EDT 2017


Jim,

The stock setup is simply a short length of tubing that is pressed into the hole, a friction fit, with a short length of hose attached.....

Mike

Sent from my iPad

> On Sep 26, 2017, at 15:12, Jim Kosloskey <jim.kosloskey at jim-kosloskey.com> wrote:
> 
>   I don't have the `pipe' that sticks out of the case I only have a
>   replacement tube.
> 
> 
>   It is a street car and my concern is primarily that nothing get into
>   the case (and keeping the car close to stock as possible).
> 
> 
>   Are you saying if I find a replacement for the pipe it needs to thread
>   into the hole rather than just push it in?
> 
> 
>   Thanks,
> 
> 
>   Jim Kosloskey
> 
> 
> 
> 
>   From: jderyke at aol.com [mailto:jderyke at aol.com]
>   Sent: Tuesday, September 26, 2017 3:30 PM
>   To: jim.kosloskey at jim-kosloskey.com; detomaso at server.detomasolist.com
>   Subject: Re: [DeTomaso] Attaching ZF Vent tube
> 
> 
>   Jim, stock was a little breather-fitting that pressed into the ZF diff
>   case, with a short plastic hose leading over the side. The stock
>   fitting is essentially only a 1" piece of metal tubing. A few people
>   fabricate the massive-overkill 3000 psi-test ss tubes to run back to
>   the rear of the ZF, supposedly to vent blow-by lube away from the tires
>   which might cause skidding, but (I suspect) more for show. The LeMans
>   Gr-4s did not use such. If your ZF top case is not oily while using
>   nothing, its very likely you don't need anything there.
>   To use your metal tube- depending on how it was fabricated, the little
>   hole in the ZF is threaded for a pipe-to-AN fitting, or a 90 degree
>   compression fitting. Chips from case threading should be caught or
>   cleaned out of the cases, which properly requires removing the ZF from
>   the car and the lower cover removed for access.
>   There's a small adel-clamp to attach to the rear cover of the ZF to
>   keep the long ss tube from shaking around. An extended plastic hose
>   routed similarly would need the same clamp. On a street Pantera ZF
>   that's filled to stock capacity, there will be essentially zero liquid
>   coming out, as the ZF will not reach 200F by actual test. This is not
>   even hot enough to remove water condensation from the cases, much less
>   any lube. Racing, or overfilling the ZF of course is a whole 'nother
>   subject.
>   FWIW, I use a 1" piece of metal tubing pressed into the ZF case and a
>   short plastic hose that is restrained to run down very close to the
>   side of the ZF case, some 2 feet away from the right tire. Numerous
>   open track, years of autocross and very high speed highway driving (to
>   150 mph for up to 10 minutes continuous out in our deserts) has failed
>   to deliver any liquid out of it since 1980.
>   YMMV- J Deryke
> 
>   -----Original Message-----
>   On 9/26/17, 8:56 AM, "DeTomaso on behalf of Jim Kosloskey"
>   <detomaso-[1]bounces at server.detomasolist.com on behalf of
>   jim.kosloskey at jim-kosloskey.com> wrote:
>> All,
>> 
>> 
>> The vent tube attached to my ZF has disappeared.
>> 
>> 
>> I have a new tube and now I have these questions:
>> 
>> 
>> 1. Is there an adapter which goes into the ZF vent hole or do I
>> just push the tube into the hole?
>> 
>> 2. Is the tube then affixed somewhere to keep it from blowing
>> away and if so how and where is it affixed?
>> 
>> 
>> Thanks,
>> 
>> 
>> Jim Kosloskey
>> 
>> 
>> 1974 Yellow Pantera L #6949
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