i belive errol was looking at the micra heads agaes ago but the enigine is very doable as compact providing you can adapt gearbox and dizzy.

They do go hard and are more looked upon as a scaed down version of the old suzuki gb13 gti motors.

Groupe e cams and cam timing with ecu and free flow inlet and exhaust will have no trouble with other cars.

Remember may have less total hp than some other conversions but chances are it may be quicker than some as you could get the power to the ground more easily.