there are round caps smaller than a CD on the back of the head lights you remove those to get to the bulbs. You may have to unbolt the fuse panel on the drivers side.
there is no fan belt for that car. the fans are electric
Mitsubishi uses metric system.
you need to take the whole front bumper off and it sucks! : I have a 99 GST and I have changed both of mine to aftermarket lamps it was an electrical connector, 4 bolts and I did have to pull the signal completely out but I did not need to remove the front bumper cover.
In the fuel tank.
No they are not.
in the fuse box
Should be on the back of the headlight.
go to autozone.com http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152800ad658
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.
try google
4,3 liter