What cars can i pull a engine from that will be a direct swap for my 90 ranger. It had a 2.3 dual coil with a manual transmission.

 

1990 Ranger will use the EEC-IV computer, 1995 and up Rangers used the EEC-V computer making 1995-1997 2.3l unusable for your 1990, front of engine was redesigned for 1995

So you can use
1989 - 1994 2.3l Ranger
1991 - 1993 2.3l Mustang
as plug and play