I have a 1.6 liter 8 valve that i am putting in my 1994 sami that is already tbi. so what do i need from my donor as far as wiring harness, its a 1991 sidekick. any info would be greatly appreciated!!

 You could use your 1.3 intake and throttle body on your 1.6 it bolts right up no wireing needed

Some people report issues with running the 1.3 kit on a 1.6l motor.  No idea why, it just doesn't work for some people.  mbruce on this board ended up installing the full 1.6l computer and wiring on his to get things to work properly with a 1.6l 8v.

Some people report issues with running the 1.3 kit on a 1.6l motor.  No idea why, it just doesn't work for some people.  mbruce on this board ended up installing the full 1.6l computer and wiring on his to get things to work properly with a 1.6l 8v.

X2.
And mbruce is more than happy with the results of doing the full 1.6 swap.
IMO, if you are going to put in a