Yes you can change to conventional oil.
yes
Yes. You can use synthetic oil in a 1996 Ford.
How do I change the head gaskets on my 1998 ford explorer?
75w140 synthetic
I was looking at the 2003 Ford Explorer Owner Guide and it shows : That you don't have to use synthetic or synthetic blend engine oil Just use ( 5W-20 ) engine oil in the 4.6 liter V8 that meets Ford specification ( WSS-M2C153-H ) certified for gasoline engines
how do i change a fuel filter in a 1994 ford explorer
you dont
Ford uses the Motorcraft blended oil (part synthetic).
where is the fill port on a 2004 ford explorer rear end
How to change upper and lower ball joints on a 1997 ford explorer all wheel drive?
with a screwdriver