neither the z6 head or y8 head flow any better ,.... its the intake manifold ... the y8 flows better ... the head flows the same .so get a z6 head with a y8 manifold .. but i agree with these guys ... coming from past experience your better off leaving the d15 alone and enjoy the mpg or go b series .... i spent close to 700 $ on my mini me .and it was a WASTE OF MONEY then and it would be a waste now unless its gfoing into a CRX ... if not .. your wasting time ..Originally Posted by jcs
nothing against you,but for us single guys its a lot.you gain 25-30 hp and the great v-tec.be sure to pull the oil jet,and re-pin ecu or run a v-tec controller.the easier would be the z6 head better flow and the wiring is a lot easier.be sure to get all new gaskets...if you need help lmk
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