I built all mine without hacking at my micra at all. I'll picture my mounts today and my shafts. And my water pump clearance
My weight balance os/ns is 45/55 with me in 49/51 without
Use the nx subframe for front an rear mounts (it fits the same holes as the oe mount but drill through front crossmember but
reinforce it. Then custom engine and box mounts.
No cutting of micra means you can put your ma10 back in anytime
especially as its the carb model (ga16ds) be warned though.... its rare as rocking horse do do and parts for it near enough dont exist (ie dizzy)