the jdm d15b vtec has a stronger cam and puts out 130hp the d16z6 has 125, id go with the d15b vtec, they are fun motors. run the sohc vtec the same as if you were putting in a d16a6, you need 88-91 mounts, obd0 injectors, resister box, 88-91 Si/88-89 teg ecu, Si distributer, and perform an mpfi...