i have looked and serched all over the web looking for the the best motor to put in to my crx. i had my mind set on the dohc zc for about 6 months but then i starting thinking about down the road for turbo or vtec. so i started looking for a b18a. everyone has their own opions about what motor to put in. another factor is the obd. schould i buy an obd adapter to get a obd 1 or odb 2. any reply will help thanx.