pw0 or pr3 ecu?

[Timothy]

Im Doing what alot of you are saying not to do. Im swaping in a b18c1 in my 88lxi. Now im trying to find all the parts that I need to convert my b18 to obd0. what I need to know is whitch ecu do I use, the pw0 or the pr3. what is the difference between the two? O r does it not mater.And if any one has one I would like to know. thanks for the help.

[k-roy]

Good for you for going with a VTEC swap.
Try Honda-acura.net or hondatech or g2ic.com if you want answers.
Not too many B swaps around here.
Good luck, keep us posted.

[88LXi68]

There isnt a known or written difference. PR3 is from the Integra XSi and the PW0 is from the B16 powered CRX.