hey guy need ur inputs, i have posted before and im at a loss for info, what i want is to bulid a 205 yb engine, before everyone say thats easy but i live in the usa and we dont have a GOOD inports store outside of honda parts and i dont like rice buners, i really need to know what would be a good bulid for a yb engine? and i need to know what heads are better 4x4 or 2x2, yes would like to put a trubo on it. dose anybuddy know where i can get a oem workmanul for a sierra? or even the isbn # any and all help would be great.