cluch pedal went all the way to floor and stayed there ?
have u checked out the seals on your clutch slave cylinder??
there is air in the system, something failed.
Replace both the master and slave cylinders. one has failed.
Looking for a Used 300ZX in your area?
CarGurus has 156 nationwide 300ZX listings and the tools to find you a great deal.
Search Nissan 300ZX Questions
Nissan 300ZX Experts