I get a lot of email asking questions on repairing a Falcon. Hopefully this page can help others out. I will start out the the most common question and go to the not so common questions.
The fuse box is connected to the light switch. I find it more easier to pull the light switch to replace a fuse than trying to disconnect the fuse box from the headlight switch. To remove the light switch
My wheel wells are cut out so I can't honestly say, with a lot of back space on the rim the wider the tire will fit. Ask the guy at the tire store who is willing to work with you they deals with this every day. Using stock rims don't expect much wider than 195's or 205's
On a V8 get V8 alternator mounts, on a 6 cyl you have to replace your timing chain cover with an alternator equipped 6 cyl car. The wiring will need to be rewired and a different Voltage Regulator will need to used. See diagram below.
Today's gas pump pumps faster than they did 40 years ago. Clean out the vent tube by removing the tube at the top of the tank next to the filler tube and blow it out with compressed air. This will keep the trash from entering the tank. You will find all kinds of insects and trash inside the vent tube. It possible you might have to run a stiff wire through the tube to knock the trash loose then wash it out by spraying carburetor cleaner or WD40. You can also modifile a later model filler neck valve and install this valve in you filler neck.