I've got an 66 CJ5 with a stock buick 225 in it and am tired of messing with the carb. Would like to switch to fuel injection but not sure were to start.

Check out http://www.earlycj5.com:smokin:

Try this:
http://www.pirate4x4.com/forum/showthread.php?t=319330&highlight=Buick+oddfire+fuel+injection
I would go with the kit recomended that Eagle Mark sells?