keeping nominal fluid in powersteering doesnt make it loose, powersteering can be adjusted, ask a experienced mech there how to make powersteering not so loose.
ae86 has power but its not very loose at speed.
i can still turn steering with one hand while parking
the grey car tilsm drives has koyo seiko steeringand wasnt loose at high speed , good handling with small f angle steering wheel .. back in 09. im sure theystill have same steering,, buy jdm steeringcolumn adjustable height if you want to replace
non power steering usually have thin tires. 155 and lightweight engine