how to uninstall the inside one..you take out the screw behind the handle then push toward the front of the car.. it will make a snap noise should be ok but it may have broken one latch..there are two latches. to install do the opposite.
Mitsubishi uses metric system.
The question you ask is too involved for a proper answer. You may want to go to a car parts store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library.
In the fuel tank.
in the fuse box
Should be on the back of the headlight.
No they are not.
Yes they will, the bolt patterns are 5x114.3. You could even fit Evo wheels if you wanted to.
No the engine in the 98 mitsubishi eclipse spyder gs is a mitsubishi 4g64 while the engine in the 96 rs is a chrysler 420a engine.
in the steering column.
try google
2.1 quarts
4,3 liter