please help! i have a 1991 honda crx si with a d15z1. this things seems to be built all wrong. it has a p06-ao2 ecu, p07 head, d15z1 block, crx si intake manifold, crx si exhaust manifold and 4- wire o2 sensor.please help me what is this or is it just a complete busted build. there also is no...