DOHC Zc Internals..Help!!

ok well i was told that i can use an b-series Crank in my DOHC ZC Black top motor..an pistons an rods out of an d-series motor..but im not sure.anyone know what to do?

I want to find out too.. I know nothing about dohc ZC's except my friend has one in his '91 Si, and it's a torquey little f'er. I want to learn more about them so I can help him out with parts.