hey i just wanted to know if i could know see the difference of two camshafts one comes from a d16z6 and the other comes from a d16y8. i have these two camchafts without the gear and want to know which is which. i have a d16y8 and want to put the cam that goes in that head. the only thing that i found different on them is the number on the cams , one has a b536 imprinted on it and the other has a e625 on it. can i really know which is the one for the y8???