jesus man... this thread is even older than the other one.

hell, I didn't even know you could find threads from back in 2004... let alone still be able to post on them.


EDIT:
here is an old thread talking about removing the tank
Replaced Fuel Tank on my S14……PICS/How to... [Archive] - FreshAlloy.com Forums

here's one with a few pictures that might help
Cracked gas tank in S14, need help - Nissan 240SX Forums

and another
Cracked GasTank in S14, Need Help - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

and this one mentions a few ways to patch/repair it
Gas tank removal........ - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum