Yes
It is in the fuel tank.
located in the gas tank
Follow from tank
No
Eight, one for each cylinder
Not sure about all, but 96 recommends 91 octane.
In the trunk on the left side behind a panel in the lining
go to markviii.org. they have a answer for almost anything with the lincoln mark viii
Drivers side in the trunk behind the little panel on the side
Where to find the horn relay fuse for a 93 Lincoln Mark VIII
no
Not unless you try to change the whole front end of the car.