Refereance: D15b block with a d16z6 head uses a y7 / y8 cam gear for correct timing
 

I built a jdm d15b vtec block and put a usdm d16z6 head onto it, but the timing is not correct when you do this. To correct the timing use a d16y7 or d16y8 cam gear from the 96-00 civic. Use a d16z6 computer.