I put a Farrari slaver cylinder in. The Adjusting nut does nothing where ever I put it. My 1972 Pantera was working and will drive the car, But, When I give Full throttle it slip. Slips under power but will drive car Normally. ???

Why didn’t you just install a Pantera slave cylinder? It sounds like you have more than one problem. Not going into gear usually means you aren’t getting enough clutch release. That will destroy your synchros in no time! This could be caused by the slave being incorrect or air in the lines. The clutch slipping under power would usually mean a worn clutch but since the slave was just replaced, it could be the slave isn’t retracting properly and your clutch is always partially disengaged. The first thing I’d do is throw away the Ferrari slave and get a real Pantera slave from a vendor. Have someone qualified install and adjust it. Don’t drive the car until the issues are resolved or you could be facing a $$$$ ZF repair bill.

...if you relieve the pressure on the line (bleed out some hydraulic fluid), does the clutch engage? It could be the master (at least, I had such a problem on a brake master, it would not retract and so as the brake fluid heated up, the car gradually came to a stop...)---Lee

Where to buy a  Pantera slave cylinder?   What company?

Price at Wilkinson is cheap...Hall has them also--Lee

https://panterapartsusa.myshop...=f473bdfb8&_ss=r

There's a list of vendors here:

http://www.panteraplace.com/page24.htm

It's a bit out of date but most are still around.

As Lee mentioned above, Pantera's by Wilkinson has great prices and most OEM parts in stock.

Get the CNC slave cylinder.  Dennis has the at pantera performance center in Colorado.  Billet aluminum.  Bleed the system thoroughly.  You are wasting your time fitting some other cylinder and wondering why your car won’t shift.

I was unaware that Dennis had CNC clutch slave cylinders. I thought he only had clutch master cylinders. CNC went out of business over a year ago, so if you want something made by them, buy it now!

I haven’t checked lately.  CNC is. Few miles from me in San Diego. Are they defunct?

The owners of CNC retired and decided not to sell the company, so they just shut it down.