sifus out thre...currently i usin dis 1.8 sohc mmc wif hks forgedpistons(size im not sure)....plannin 2 hybrid it wif mivec...id supposed da stuffs needed are the mivec head,full wiring and ecu....but mech told me il need extra stuffs like the intake manifold, distributor and tensioner pulley cuz of my conversion fr sohc...he aso told me need 2 port polish the cylinder head 2 balance the top n bottom compression ratio...so izit trueeee??plz advisee n 1 more ques can dis 1.8sohc mmc block...