help on z'ing my frame and steering shaft

i z'ed my frame and was wonderin if i had to raise my tranny mount too or is it alright to have a tilt on the motor... it is about a 2 1/2 inch z........and what i really need help with is the steering shaft that is from the firewall to the steering box....what do i do about it hitting the control arm..do i cut notch in arm or make a 2 piece shaft...please help with pics...thanks everyone