QUOTE(Jeff Bowlsby @ Mar 26 2017, 05:16 PM)
If your 75 is stock there is an access panel in the trunk bulkhead to access the pump and filter. No need to pull the tank.
unless your soft lines are old. If they are toast, I would pull the tank. It is not a difficult job, but much easier with two people. Order the Haynes manual. It is a wealth of information. I would also recommend learning to master the search function on this site.
Before you order a new filter, pull the access panel on the bulkhead, and determine which filter you need. There are two versions - one with identical in/out nipples and one with larger/smaller. My '75 takes the large/small.
If you still have the plastic fuel lines in the center tunnel, I would go ahead a replace every line, stem to stern.