You have to remove the upper intake to even get to the fuel rail. make sure you have all the o-rings seals and gaskets in between cause you should replace them. Really its worth it to take the car to a mechanic.
http://www.ehow.com/how_7744525_change-injectors-1994-nissan-maxima.html
222hp
its coil packs
For your 1992 Nissan/Datsun 300ZX: Flywheel Torque 61-69 Foot pounds (Final torque)
water pump
Fuel injectors
its a foot away from the fuel injectors
yes if the turboengen is the right size
its on the passenger side silver with a black cap.
I'm 99.6% sure there isn't one designed into the system.
The fuel pump is inside the fuel tank, which is accessed from inside the trunk.
It is located on the center, top, rear of each cylinder head.