i have a 91 integra ls and i want to put a 96 ls motor...what things do i need...

 

i belive nothing. use your same ecu. all the sensors should be about the same. if not put your old ones in. i think all the obd2 motors had crank sensors. but sense you will have to use the old ecu you wont hook it up. but you definitely will need to use your old distributor.

 

if i remember correctly 91 tegs are OBD0, dont forget injectors, and O2 sensor

 

Just the stuff to keep OBD the same

 

This is what you need to change

-all sensors
-distributor
-injectors
-intake manifold
-oil pump........obd2 motors have the crank position sensor at the oil pump and you could have problems trying to install the main pulley and belts
-transfer your breather box from old block to 96 block, you need to punch the plug off the 96 ls block since they are not provided with a breather box
this is located in the back of the block under the intake manifold

GOOD LUCK