NewbieCRXSi
Junior Member
Hey everyone i just picked up a 90 crx si that needs a new motor and from what little researching ive done i would like to get a d15b vtec to replace the d16a. Me and a friend n his uncle will be doing all the work and i havent really found the info i need to answer my question....... so what will i have to modify to make a d15b run in my crx? thanks sorry if this gets asked a lot just wanted to know if everything bolts up as well