1.0 Distributor head

I have just received a CG13DE to swap into my pre facelift 1.0 distributor engined micra.
However the engine I have received is from a later coil pack micra.
Can I swap the 1.0 distributor head from my mica onto the CG13DE block or are there more differences between the coil pack and distributor engines that would prevent me being able to do this.

Many thanks.
 
the 1275 exh cam has the slot, but the coilpack cams dont, i cut a slot a couple of times in the past
 
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