Anyone know the compression of the D15b Vtec ? It't basically a D16z6, right ? So it should take the boost pretty well? Does it have decent sized rods ? Use the P28 ECU for this right ? Trying to decide to get a d16z6 or the D15b. I'm thinking mroe towards the D15b due to the fact that it has lower miles on it, that is if i actaully get one with the 40k miles that they claim they have.