90 teg ecu in a 89 crx si

[dok]

how much work is needed to use a 90 teg ecu on a 89 crx si it looks like plug and play but i have to ask before anything

 

[radnulb]

it is plug and play to start the car. There are some minor issues with emissions equipment and other such stuff that cause minor issues, but the car will run + run fine.