[DeTomaso] Clutch woes in Asa's garage

[Asa Jay Laughton]

Barry,

That's a good theory, but for me, it comes in two parts.

First, I had the disc that -was- in the car, "relined" (replace the 
friction material only).  So, assuming the clutch disc in the car was 
the proper type/style for a Pantera, then all I did was have new 
material put on it.

Now, if the disc was -not- the correct one to start with, meaning the 
marcel springs were not the correct type/style for a Pantera, then all I 
did was re-line the wrong clutch disc.

This is why I'm asking what the thickness of a stock clutch disc for a 
Pantera is supposed to be.  I measured this one at about 0.340".  Is 
that too thick?  Nobody seems to be able to answer me on that one.

Asa Jay

Asa Jay Laughton, MSgt, USAFR, Retired

& Shelley Marie
Spokane, WA

1971 Mach I Mustang  [ASA JAY]
1973 Pantera L 5533  [ASASCAT]
    
******************************     
http://www.asajay.com
http://www.teampanteraracing.com
  



Barry Seib wrote:
> OK
> Here's a theory:
> If the new disc has marcel springs (or more of that) it will require more
> lift to allow complete separation of the disc and pressure plate/flywheel
> (because it is more compressible) than a stock disc without that feature.
>
> One aftermarket feature that differs from stock often leads to many more
> aftermarket purchases to compensate for the variation in the previous
> modifications. Now you need a long throw slave (and maybe a stock sized
> master) to get back where you were with the stock disc. maybe?
>
> Barry
>
>
> pantdino at aol.com pantdino at aol.com wrote
> Sun Sep 6 18:00:21 CDT 2009
>
>  Can someone explain why the new clutch would require more arm motion /
> displacement from the rest position than the old one?
>
>
> I can see how disc thickness, flywheel thickness, etc would change the
> "rest" position of the clutch arm, but why would we suddenly need more
> MOVEMENT of the arm / rotation of the ZF shaft?
>
>
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